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90 results about "Reservoir system" patented technology

Rainwater collection system for a waterborne vessel

An apparatus and a method are provided for a mobile reservoir system to provide potable water to desired destinations. The mobile reservoir system includes a waterborne vessel that includes a cargo hold. A collection unit comprised of a material for safe and sterile storage of potable water is disposed in the cargo hold. One or more collectors channel rainwater into the collection unit. Each collector is a sheet of a non-porous material supported on a retractable frame and a plurality of support arms. The sheet provides a surface area for collecting rainwater. A porous material covers the collection unit and operates as a filter for collected rainwater. A retractable cover may be extended over the cargo hold to provide protection to the collected rainwater in the collection unit. A filtration system is configured to offload the rainwater as potable water.
Owner:SMITH PHILLIP FUQUA

Cascade reservoir operation risk and benefit evaluation method considering prediction uncertainty

The invention provides a cascade reservoir operation risk and benefit evaluation method considering prediction uncertainty, and the evaluation method comprises the steps: building a day-ahead wind-light-water optimal complementary model, and employing a two-stage robust method to process the power generation amount deviation generated by the wind-light uncertainty; the method comprises the following steps: identifying the worst condition of photovoltaic power output which causes maximum water consumption and power imbalance to obtain a day-ahead total power generation plan of the wind-solar hybrid system capable of realizing maximum resource utilization rate; according to the evaluation method, a benefit and risk evaluation model based on power generation complementary benefit, power generation stability, power supply reliability and water level fluctuation is further provided, the risk of complementary operation of the reservoir system is quantified through indexes, the risk and benefit of cascade reservoir operation can be reasonably evaluated and balanced on the basis of considering the uncertainty of wind and light power generation, and the method is suitable for popularization and application. And the overall efficiency and reliability of the power system are improved.
Owner:FUJIAN HUADIAN FURUI ENERGY DEVELOPMENT CO LTD +1

Modeling gas desorption in a subsurface reservoir

Systems and methods for modeling gas desorption in a subterranean reservoir include measuring a gas sorption parameter using a crushed core sample from the subterranean reservoir; computing a gas storage capacity of the subterranean reservoir at an initial reservoir pressure based on the gas sorption parameter; generating a three-dimensional (3D) distribution of total organic carbon (TOC) in the subterranean reservoir; estimating a 3D distribution of original adsorbed gas in place of the subterranean reservoir by correlating the gas storage capacity with the 3D distribution of TOC; and predicting the amount of gas desorbed from the subterranean reservoir as the reservoir is depleted.
Owner:SAUDI ARABIAN OIL CO

Set smoothing automatic history fitting method based on self-adaptive mixed gradient

The invention provides a set smoothing automatic history fitting method based on self-adaptive mixed gradients, and relates to the technical field of oil reservoir development, and the method comprises the steps: obtaining an initialized prior oil reservoir model parameter set and production history dynamic data; self-adaptive step length dynamic adjustment is carried out on the preprocessing gradient updating direction; covariance preprocessing is carried out on the oil reservoir automatic historical fitting objective function gradient, and a preprocessing gradient updating direction is constructed; calculating a parameter sensitivity weight, and performing parameter updating in a preprocessing gradient direction by combining an adaptive step length dynamic adjustment strategy; constructing a mixed updating direction; introducing a momentum item to accelerate convergence and suppress oscillation; and according to a final reservoir parameter set obtained after optimization algorithm iteration solution, determining the distribution of reservoir parameters and the change condition of an objective function, and completing an automatic history fitting process. According to the technical scheme, the problems that in the prior art, a strong nonlinear oil reservoir system cannot be adapted, the parameter inversion precision is low, and the calculation cost is high are solved.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Cross-basin water regulation, supply and distribution integrated decision-making method for guaranteeing ecological flow

The invention belongs to the technical field of reservoir dispatching, and particularly provides a cross-basin water dispatching, supply and distribution integrated decision-making method for guaranteeing ecological flow, which comprises the following steps: constructing a two-stage optimization dispatching model of a cross-basin water supply reservoir system based on a dynamic optimality principle; quantitatively describing ecological water demand processes of a water source area and a water receiving area in the cross-basin system engineering under different ecological water demand levels by utilizing a Tennant method; performing optimization calculation on the optimization scheduling model under different ecological water demand levels by utilizing dynamic planning to obtain a regional water regulation and supply process; constructing a regional water resource optimal configuration model according to the water regulation and supply results; factors such as ecological water demand guarantee degree and decision manager preference are comprehensively considered, and a practical regional water distribution scheme is formulated. According to the method, the water transfer amount and the water supply amount of the cross-basin reservoir system can be effectively determined, meanwhile, the water competition problem of'life, living and living 'of a region is solved, and technical support is provided for reasonability and scientificity of decision making of the cross-basin reservoir system.
Owner:CHINA YANGTZE POWER

System and method of plant cultivation

A plant-growing system can include a reservoir system and at least one pod. The reservoir system can include a base configured to hold a liquid and a top plate comprising at least one pod holder, where the top plate can be supported by the base. The at least one pod can be configured to be removably inserted in the at least one pod holder. The at least one pod can include a support plate, a wick comprising a first end and a second end, and a seed pad, where the wick can be positioned between the support plate and the seed pad.
Owner:GARDYN INC

Reservoir optimization scheduling method based on hybrid swarm intelligence optimization

The invention belongs to the technical field of water resource optimal scheduling, and discloses a reservoir optimal scheduling method based on hybrid swarm intelligent optimization, which comprises the following steps: S1, collecting data required by reservoir historical inflow, a reservoir capacity curve, a water supply demand and a scheduling constraint condition; s2, setting a constraint condition and a scheduling target, and establishing a reservoir scheduling optimization model; s3, constructing a candidate solution group on the basis of combining reservoir scheduling decision variables, performing initial fitness calculation by utilizing an objective function of the reservoir scheduling optimization model, introducing a hybrid group intelligent optimization algorithm, performing multi-objective optimization scheduling calculation on the reservoir scheduling optimization model, and performing iterative updating; s4, completing all set iterations, and outputting a reservoir optimization scheduling scheme meeting constraint conditions; according to the method, the premature convergence problem of a traditional swarm intelligence optimization algorithm is effectively avoided, the convergence speed and the solution stability are improved, and the method is suitable for optimization solution of single-library and multi-library systems in single-target or multi-target scheduling problems of water supply, flood control, power generation and the like.
Owner:HUAZHONG UNIV OF SCI & TECH

Flood season drought limit water level dispatching operation method responding to drought and flood prevention

The invention discloses a flood season drought limit water level scheduling operation method responding to drought and flood prevention simultaneously, which comprises the following steps of: 1, preliminarily determining a flood season drought limit water level scheme by adopting a reverse sequence recursion method according to downstream water demand; step 2, identifying key influence factors influencing the flood season drought limit water level scheduling application mode of the reservoir system in combination with the current scheduling procedure of the reservoir; 3, constructing a standard normal form of a flood season drought limit water level starting opportunity and a scheduling mode of the reservoir system; 4, establishing a reservoir system flood season scheduling simulation model considering drought limit water level application, and performing simulation calculation in combination with a typical year of a flood season extreme event to form a reservoir drought limit water level application scheme capable of coping with different flood season extreme inflow conditions; the method can scientifically and accurately judge the starting opportunity of the drought limit water level of the reservoir on the premise of guaranteeing flood control safety of a hub and a drainage basin, and is suitable for reservoir engineering which simultaneously undertakes flood control and drought control tasks.
Owner:CHINA YANGTZE POWER

Reservoir computing network optimization method and related apparatus

Disclosed in the present application are a reservoir computing network optimization method and a related apparatus. The method comprises: sampling an input signal to obtain a sampling signal; performing quantization processing on the sampling signal by means of at least two kinds of quantization modes, so as to obtain at least two kinds of digital signals, values of elements in different digital signals being different; inputting voltage pulses corresponding to the elements in the different digital signals into reservoirs constructed by different quantities of virtual nodes, so as to extract signal features of the input signal in different quantization modes by the different reservoirs. By quantizing signals in different modes and inputting same into reservoirs constructed by different quantities of virtual nodes, the richness of internal states of the reservoirs can be improved, thereby further improving the signal identification accuracy of a reservoir system.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI LTD

Reservoir project dispatching management method

The invention relates to a scheduling management method of a reservoir project, which is characterized in that: by generating a water flow mode network and establishing a target function, under the condition that the water consumption of a reservoir group system is limited, the optimal time and space distribution mode of the water quantity and a water head are sought, so that the generating capacity is maximized. According to the method, water energy resources are fully utilized, electric quantity generated by the hydropower station group system can be absorbed by the power system by default, and benefit maximization is achieved.
Owner:HUAIBEI KAIWO MECHANICAL & ELECTRICAL ENGINEERING CO LTD

A liquid target material supplying apparatus, fuel emitter, radiation source, lithographic apparatus, and liquid target material supplying method

The present invention relates to an apparatus for supplying a liquid target material to a radiation source, comprising a reservoir system including a reservoir (410) configured to be connected to an ejection system (450) via an outlet (410a) of the reservoir and a pressurizing system to pressurize solid target material in the reservoir, wherein the apparatus further comprises a heating system (440) arranged between the reservoir and the ejection system to liquify the solid target material after being pressurized in the reservoir, and wherein the pressurizing system is configured to provide a pressure to the solid target material in the reservoir in order to extrude the solid target material through the outlet such that the liquid target material entering the ejection system is at a pressure of at least (200) bar.
Owner:ASML NETHERLANDS BV

Liquid activated devices and systems

The present invention relates to systems, devices, kits, and methods employing liquid activated devices and systems. In certain embodiments, the liquid activated devices comprise a base substrate and a chamber sealing system (CSS) and / or a sealed reservoir system (SRS). In some embodiments, the CSS is sealed inside the reservoir of the SRS by a liquid degradable membrane. In particular embodiments, a liquid (e.g., saliva) un-seals the reservoir exposing the CSS, which seals the micro-chamber therein upon exposure to the liquid (e.g., trapping some of the liquid in the micro-chamber for analysis).
Owner:THE RGT UNIV OF MICHIGAN

Gas storage system for compressed air energy storage power station and construction method of gas storage system

The invention discloses a gas storage system, particularly discloses a gas storage system for a compressed air energy storage power station and a construction method of the gas storage system, and belongs to the technical field of design and construction of gas storage buildings of energy storage power stations. According to the gas storage system for the compressed air energy storage power station and the construction method of the gas storage system, the equipment sealing requirement can be remarkably reduced, and the structural stress of a gas sealing layer is simple. The gas storage system comprises a gas storage body and a constant-temperature and constant-pressure adjusting and maintaining mechanism, and an inner cavity of the constant-temperature and constant-pressure adjusting and maintaining mechanism is connected with an inner cavity of the gas storage body. And the air pressure and the temperature of the gas stored in the gas storage body are always kept within the specified pressure and the specified temperature change range under the regulation and control of the constant-temperature and constant-pressure regulation and maintenance mechanism for conveying the regulation medium. The construction method comprises the steps that the surrounding rock foundation reservoir is excavated firstly, then grouting reinforcement is conducted, the waterproof layer is constructed, the water supplementing pipe, the drainage pipe, the floral pipe and the corrugated steel lining layer are installed, and finally the flexible concrete lining layer is poured and backfill grouting is conducted.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Biodegradable Fuse-Reservoir System for Intermittent Delivery of Bioactive Agents

PendingJP2025539925ANervous disorderSynthetic resin layered productsCellulose acetate phthalateActive agent
A device for delivering one or more bioactive agents is disclosed. The device comprises: a first layer comprising a first biodegradable polymer, the first layer having a first side and a second side, with a plurality of reservoirs containing one or more bioactive agents present on the first side; a second layer comprising a second biodegradable polymer adjacent to the first side of the first layer; and a third layer comprising a third biodegradable polymer, the third layer sealing the first and second layers and including an exposed second layer where at least one surface of the device is not covered by the third biodegradable polymer. In one embodiment, the first and third biodegradable polymers are poly-ε-caprolactone, and the second biodegradable polymer is a mixture of cellulose acetate phthalate and poloxamer. A method for manufacturing the device is also disclosed.
Owner:UNIVERSITY OF MISSISSIPPI

Sustainable development control method for cascade reservoir system in Yellow River basin

The application discloses a kind of Yellow River Basin cascade reservoir group system sustainable development regulation methods, comprising: the watershed system is divided into water and sediment, ecological and social subsystem, obtains multidimensional parameter data and identifies the order state flow variable of driving system evolution;The same vibration degree of order state flow variable is calculated, and the same vibration degree represents the coordination level of variable evolution;Overall harmonic contractility of system is calculated based on the same vibration degree;Select water and sediment regulation factor, construct the quantitative regulation model including water and sediment regulation factor, the same vibration degree of order state flow variable and the mapping relationship of system harmonic contractility;The target harmonic contractility interval of system is set, and based on quantitative regulation model, the water and sediment regulation factor regulation threshold required for realizing the target is calculated reversely.The application introduces evolution coordination analysis and reverse regulation mechanism, solves the problems that traditional method is difficult to quantify time sequence synchronism and cannot backstep regulation boundary, realizes the target-oriented accurate regulation of watershed system.
Owner:NANJING HYDRAULIC RES INST

LUBRICATION IN A TRANSFER GEARBOX WITHOUT A MECHANICAL PUMP

Vehicle transfer case (7), which includes the following: a case (10), a primary shaft (16) which is rotatably mounted inside the housing (10), a secondary shaft (34) which is selectively driven by the primary shaft (16), wherein the secondary shaft (34) is rotatably mounted through the housing (10), a hub (62) which is torsionally attached to the primary shaft (16), a clutch housing (52) which is selectively torsionally connected to the hub (62) via a friction package (56, 58, 64), a gear (44) which is torsionally fixed in relation to the clutch housing (52) and torsionally connected to the secondary shaft (34), a friction pack engager (74) to cause the clutch housing (52) to be selectively connected to the hub (62), and a reservoir system attached to the housing (10) to receive lubricant driven by the operation of at least one of the primary shaft (16) and the secondary shaft (34), wherein the reservoir system has a section adjacent to the engagement gear (44) and the reservoir system channels the lubricant in an axial direction, overlapping the friction pack (56, 58, 64) and supplies the lubricant to a fluid collection reservoir (96), and wherein the reservoir system has a stationary passage (98, 100) formed in the housing (10) to transport lubricant from the reservoir system to the primary shaft (16) radially inward of the friction pack (56, 58, 64), characterized in that the reservoir system has a baffle plate (90) formed by the housing (10) to deflect lubricant to the fluid collection reservoir (96) of the reservoir system.
Owner:BORGWARNER INC

Thermal destruction reservoir system

PendingUS20260097250A1Perchlorate saltPhysical chemistry
A thermal destruction reservoir system and a method of using the same to thermally destroy certain chemical and / or biological materials. The reservoir relies upon the use of a sheet comprising potassium perchlorate and iron dispersed in a polymeric binder.
Owner:SOUTHWEST RES INST

Filter system for coolant

A reservoir system for liquid cooling includes an inner volume, with one or more inlet ports and one or more outlet ports for directing a flow of coolant. The reservoir system includes an opening, covered by a cap, that can receive a filter for filtering the coolant. The filter is sealed against an inner surface of the reservoir, wherein fluid flows through the filter element, and wherein the filter element is removable through the opening. The reservoir system includes a by-pass that directs a portion of flow from the inlet to the outlet, before or after the filter, while another portion of the flow traverses the inner volume for de-gassing. The relatively larger inner volume with corresponding lower velocities allows bubbles to escape to a freeboard region, thus de-gassing the coolant. The by-pass may be internal to, external to, integrated with, or a combination thereof, the reservoir.
Owner:RIVIAN HOLDINGS LLC

Multi-temporal-spatial-scale water ecological environment influence assessment method under cascade hydropower development

The invention discloses a multi-temporal-spatial-scale water ecological environment influence assessment method under cascade hydropower development, and belongs to the technical field of water resource management and environmental protection. The method comprises the following steps: firstly, acquiring basic data of a cascade river reservoir system, constructing a coupled hydrological module, a hydrodynamic module, a water temperature module and a water quality module, and forming a water environment comprehensive simulation model of the cascade river reservoir system; secondly, based on the output of the water environment comprehensive simulation model of the cascade river reservoir system, a unified multi-spatial-scale quantitative evaluation index system is established, and three types of indexes of hydrology, water temperature and water quality and evaluation positions thereof are covered. And finally, multi-time-dimension comparison evaluation scenes including a reference scene, a short-term influence evaluation scene and a long-term trend evaluation scene are set, an evaluation scene comparison strategy is determined, and the influence of cascade hydropower development on the water ecological environment is comprehensively revealed. According to the method, the extension of the evaluation dimension from short-term impact to a full-time sequence process is realized, and the predictability and decision support capability of environmental impact evaluation work are improved.
Owner:DALIAN UNIV OF TECH

Data analysis processing method and system based on hydraulic power plant intelligent early warning

The invention discloses a data analysis processing method and system based on hydraulic power plant intelligent early warning, and relates to the technical field of hydraulic power plant intelligent early warning. The method comprises the following steps: firstly, collecting water flow, equipment operation and power generation data of whole plant equipment such as a water regimen reservoir and a 500kV system, and then carrying out data cleaning and special processing through a sliding window Z-score algorithm and the like; then, generating real-time early warning data through feature pre-calculation, recognizing an abnormal unit by combining four types of analysis and a dynamic threshold value, and obtaining an event classification result through linkage analysis and a multi-classification model; and finally, event levels are divided and faults are diagnosed. According to the invention, the problem of depending on manual screen monitoring and fixed threshold alarm is solved, equipment abnormity can be found in advance, faults can be accurately positioned, and the monitoring efficiency is improved.
Owner:CHINA YANGTZE POWER

Storage system of shale oil pilot production station

The invention relates to the technical field of crude oil ground gathering and transportation, and discloses a shale oil pilot production station storage system which comprises an oil storage tank and a liquid separation assembly, the oil storage tank comprises an oil inlet pipeline, the liquid separation assembly comprises a liquid separation barrel, the liquid separation barrel comprises a water storage tank installed on the inner side wall of the liquid separation barrel, and the rest space in the liquid separation barrel is a liquid condensation cavity. A liquid separation pipeline is arranged between the water storage tank and the oil storage tank, one end of the liquid separation pipeline extends into the bottom of the water storage tank, the other end of the liquid separation pipeline is communicated with the top of the oil storage tank, a condensate backflow pipeline is connected between the condensate cavity and the oil storage tank, a mist catcher is arranged on the top of the liquid separation barrel, and the upper end of the liquid separation barrel is connected with an emptying pipeline. The liquid separation assembly is used for keeping gas-liquid balance in the oil storage tank, so that the problem of pressure building in the oil storage tank is solved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Semi-underground structure low-pressure gas storage system

The utility model belongs to the technical field of gas storages, and particularly relates to a semi-underground structure low-pressure gas storage system which comprises a gas storage, an inner film is arranged at the inner end of an outer film, and an inlet and outlet channel is arranged on the outer side of the outer film and the outer side of the inner film. A gas storage space of the semi-underground structure low-pressure gas storage system is composed of a space part above the ground and an underground space part, the underground space extends to the position below the ground according to the span and the length of an inner film, the relative height of the gas storage is increased, the capacity of the gas storage is increased, and a gas storage bottom foundation is poured around the gas storage space; the sealing structure is used for fixing and sealing the outer film, the inner film and the bottom film and can guarantee stability and safety of underground gas storage space, so that the gas storage space can be effectively increased under the condition that the span, the height and the length of the gas storage are not increased, the occupied area of the gas storage can be greatly reduced under the condition of the same gas storage capacity requirement, and land limitation and land cost are reduced.
Owner:BEIJING JIATAI XINNENG TECH CO LTD

Reservoir system based on multiple random nanowire networks

A kind of reserve pool system based on multiple random nanowire network, including input layer, random nanowire network layer, training layer and output layer, wherein: the input layer gathers vector data set with time series attribute, vector data set is converted into voltage input matrix W by normalization processing in ;Random nanowire network layer is provided with N layers of nanowire network in series;Input layer successively sends the voltage in the voltage input matrix W in With the first nanowire network layer;The output end of first nanowire network layer is connected with second nanowire network layer and training layer;The output end of second nanowire network layer is connected with third nanowire network layer input end and training layer, until the output end of N nanowire network layer is connected training layer;The output end of training layer is connected with output layer, and output layer outputs weight matrix W out .
Owner:CHONGQING PERKINS TECHNOLOGY CO LTD

Cascade reservoir dispatching method based on multi-population self-adaption

The invention discloses a cascade reservoir scheduling method based on multi-population self-adaption, which comprises the following steps: establishing a cascade reservoir scheduling (CRS) model, taking maximized power generation, maximized desilting and maximized ecological rate as optimization targets of the CRS model, and determining constraint conditions according to the optimization targets of the CRS model and operation requirements of a cascade reservoir system; and then performing operation on the optimization target by using a cascade reservoir scheduling method based on multi-population self-adaption. According to the invention, by designing the single-target population and the double-target population, the conflict difficulty between target optimization and constraint satisfaction is reduced; waste of computing resources caused by low-efficiency populations is reduced through a population self-adaptive activation mechanism; by designing an environment selection mechanism based on bidirectional information sharing, the effectiveness of knowledge migration is improved, and the calculation complexity is reduced; the method is high in robustness and can be suitable for reservoir data in different years.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION +4

Integrated cryosurgical device with thermally conductive interface for treatment of skin lesions

The invention relates to an integrated cryosurgical device and a method of treatment that makes the application of cryogen to a targeted skin lesion on the surface of the skin for treatment more efficient through the use of a combination of a thermally conductive applicator tip, a conductive link, and an evaporative reservoir system. The combination of the thermally conductive applicator tip, the conductive link, and the evaporative reservoir system allows for the temperature of the thermally conductive applicator tip to be lower than the boiling point of a cryogen gas used with the integrated cryosurgical device when applied to a targeted skin lesion through heat of vaporization and evaporative cooling.
Owner:CRYOCONCEPTS

Systems and methods of performing transcanal ear surgery

Systems and methods for performing transcanal ear surgery. A volume of fluid is maintained within the ear canal to provide a flooded environment. A cutting member of a cutting instrument is submerged and operated within the flooded environment to resect tissue within the ear. A reservoir system may be coupled to the patient to facilitate providing the flooded environment. The reservoir system at least partially surrounds the auricle of the ear in fluid-tight sealing engagement with the head of the patient. An irrigation pump and a suction source on one or both of the reservoir system and the cutting instrument are operated to provide the flooded environment. The reservoir system includes an access opening sized to receive one or more surgical instruments, for example, the cutting instrument and an endoscope. The flooded environment improves cooling of the surgical site and visualization of the surgical site from the endoscope.
Owner:STRYKER EUROPEAN OPERATIONS HOLDINGS LLC

Identifying target regions in a cognitive reservoir system

Implementations described and claimed herein provide systems and methods for developing a reservoir. In one implementation, a reservoir model is received. The reservoir model includes a static model and a dynamic model. The static model includes one or more clusters of a three-dimensional volume of the reservoir and an uncertainty quantification generated using a neural network. The dynamic model includes pressure values and fluid saturation values propagated across the three-dimensional volume through a nodal connectivity of neighboring clusters. A set of input features is generated from the static model and the dynamic model. The set of input features is related to a drilling attractiveness of a target region of the reservoir using a set of rules executed by a fuzzy inference engine. A quantification of the drilling attractiveness is generated. A recommendation for drilling in the reservoir is output based on the quantification of the drilling attractiveness.
Owner:BEYOND LIMITS INC

Continuous flood routing forecasting and operation method and system for multi-blockage long-river system reservoir group

A continuous flood routing forecasting and operation method and system for a multi-blockage long-river system reservoir group. The method comprises: on the basis of upstream-downstream hydraulic connections and river channel composition characteristics, analyzing and quantitatively characterizing the physical structure of a cascade reservoir group system, and disassembling a multi-blockage long-river system into a river-reservoir system consisting of river channels, reservoirs and basic river channel units; generalizing upstream-downstream relationships in each component unit of the system, and quantifying waveform characteristics thereof, so as to establish flood routing process equations for upstream and downstream of a dam thereof; and on the basis of historical operation schemes of reservoirs in the component units, extracting and quantifying operation rules to realize dynamic mutual feedback calculation between operation processes and flood routing under different operation modes, and sequentially connecting the component units in series, so as to implement continuous calculation of the multi-blockage long-river system. A flood routing process under the impact of reservoir operation is quantified to realize continuous automatic calculation of a multi-blockage long-river system, thereby providing important technical support for rapid and accurate flood forecasting of basin floods under the impact of water engineering projects.
Owner:BUREAU OF HYDROLOGY CHANGJIANG WATER RESOURCES COMMISSION

DEPLOYABLE ANTENNA DEVICE WITH LATCH INFLATING MECHANISM.

An AMC antenna apparatus includes a ground plane and a layer of flexible antenna elements above the ground plane. The ground plane includes a conductive base surface, a plurality of flexible conductors, and a frequency-selective surface (FSS) layer on the base surface, where the FSS layer includes a plurality of conductive patches separated from each other. Each of the flexible conductors electrically connects one of the conductive patches to the base surface. A latching mechanism is disposed between the base layer and the FSS layer. An inflatable reservoir system between the base layer and the FSS layer is configured to receive a gas inlet during deployment of the antenna apparatus and inflate to produce sufficient force to cause the latching mechanism to transition from an unlatched state to a latched state, in which the conductive base surface separates from the FSS layer by a predetermined distance.
Owner:VIASAT INC

An automatic history fitting method based on ensemble smoothing and adaptive hybrid gradient

The present invention provides a set smoothing automatic history matching method based on adaptive hybrid gradients, which relates to the field of oil reservoir development technology. The method obtains an initialized priori oil reservoir model parameter set and production history dynamic data; dynamically adjusts the preprocessing gradient update direction with adaptive step size; performs covariance preprocessing on the reservoir automatic history matching objective function gradient to construct the preprocessing gradient update direction; calculates parameter sensitivity weights and updates parameters in the preprocessing gradient direction in combination with an adaptive step size dynamic adjustment strategy; constructs a hybrid update direction; introduces a momentum term to accelerate convergence and suppress oscillation; and determines the distribution of reservoir parameters and objective function changes based on the final oil reservoir parameter set obtained after iterative solution of the optimization algorithm, thereby completing the automatic history matching process. The technical solution of the present invention overcomes the problems of the prior art in that it cannot adapt to strongly nonlinear oil reservoir systems, has low parameter inversion accuracy, and has high computational costs.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)