51results about "Direct flow property measurement" patented technology

The utility model relates to liquid viscosity detection technical field especially relates to a kinematic viscosity testing device, including sample cell subassembly and detection subassembly. Sample cell subassembly includes two detection inner boards, two detection inner boards articulate to have open state and closed state, under the closed state, two detection inner boards surround and form the capillary space along the vertical direction extension, and the liquid is in the capillary space and is in accord with capillary phenomenon when going down. Detection subassembly has the accommodation groove, and sample cell subassembly can insert or separate from the accommodation groove, and detection subassembly can detect the time difference of the liquid in the capillary space of sample cell subassembly in the accommodation groove when passing through different positions, and because the liquid is in accord with capillary phenomenon when going down, the distance between different positions and the time difference of the liquid passing through different positions can be measured to calculate the kinematic viscosity of the liquid. The kinematic viscosity testing device is simple to operate and can be carried. It is easy to clean after detection, and multiple detections can also ensure high operation efficiency.

A single unit device for viscosity and light scattering, and a method therefor are disclosed. The single unit device can include an inlet line, a first fluid flow line and a second fluid flow line in fluid communication with the inlet line, a light scattering detector (LSD), a pressure transducer line, a pressure transducer disposed in and fluid-coupled to the pressure transducer line, and an outlet stream. The first fluid flow line can include a first capillary and a second capillary, and a first T-connector inserted between the first capillary and the second capillary. The second fluid flow line can include a first capillary and a second capillary, and a second T-connector inserted between the first capillary and the second capillary. The LSD can be disposed downstream of the second T-connector and upstream of the second capillary of the second fluid flow line. The outlet stream can be in fluid communication with the second capillary of each of the first fluid flow line and the second fluid flow line.

Nozzle Optical Manifold (NOM) includes a tube, which includes an optical beam transmitted down the center of the tube. Simultaneously, NOM measures, with a fiber optic film thickness measurement beam, at the center of the tube. Tube has a gas jet emitted from a nozzle that impinges on the surface of the substrate that has a thin film. The thickness of the thin film is reduced in thickness as the gas jet impinges thereon. It should be appreciated that, depending on the embodiment, any fluid that impinges on the surface of the thin film may be used.

Device and method for determining a property, in particular a viscosity or compressibility, of a fluid, in particular a functional fluid, of a component (102), in particular a viscosity or compressibility, wherein measurement data characterizing an operating characteristic of the component (102), in particular a power and / or a rotational speed of a pump with which the fluid is pumped, and / or a displacement of a hydraulic cylinder driven by the fluid, are acquired (206), wherein, depending on the acquired measurement data, a characteristic parameter for the function of the component (102), in particular a power signal and / or a force-displacement characteristic curve, is determined (208), wherein the property is determined depending on a result of a comparison between the determined characteristic parameter and a predetermined characteristic parameter for the function of the component (102).in particular a given power signal and / or a given force-displacement characteristic, is determined (210).

The present invention relates to a multi-channel blood viscosity measuring device. More specifically, the present invention may provide a multi-channel blood viscosity measuring device comprising: a blood sample preprocessing unit for scanning and shaking a blood collection tube and then removing a blood collection tube cover therefrom; a blood sample transfer unit for moving the blood collection tube stably placed by the blood sample preprocessing unit; a blood viscosity measuring unit including one or more channels and equipped with a blood viscosity measuring kit to measure the viscosity of an injected blood sample; and a blood sample post-processing unit for mounting the blood viscosity measuring kit on the blood viscosity measuring unit and suctioning the blood sample from the blood collection tube transferred by the blood sample transfer unit to inject same into the mounted blood viscosity measuring kit.

This utility model belongs to the field of liquid viscosity measurement technology, specifically relating to a kinematic viscosity meter, including a water bath assembly, a water circulation assembly, and a main unit. The water bath assembly includes a water bath and a top cover. The top cover is provided with a heating element, a first socket, and multiple second sockets. The heating element is used to heat the liquid in the water bath. A temperature sensor for detecting the liquid temperature is installed in the first socket. Each second socket is equipped with a viscometer for holding the liquid to be measured. The viscometer is clamped and fixed by a bracket, so that the viscometer is placed in a constant-temperature liquid. The water circulation assembly is used to dynamically circulate the liquid in the water bath. The main unit is provided with a computer control system and a base for placing the water bath. The computer control system is used to control the heating element to heat the liquid in the water bath and to record the flow time of the liquid to be measured in each viscometer. The water bath has uniform temperature, fast temperature control response, high viscosity measurement accuracy, supports multi-channel parallel detection, and has high detection efficiency.

The utility model discloses a coal mine goaf paste filling material preparation and liquidity detection integrated device belongs to paste filling material slurry detection technical field, including first agitator, and the feed port of first agitator is connected with the feed port of second agitator, still include first jar, second jar, water storage tank and third jar, and the feed port of first jar, second jar, water storage tank and third jar all are connected with the feed port of first agitator, still include fourth jar, fifth jar and sixth jar, and the feed port of fourth jar, fifth jar and sixth jar all are connected with the feed port of second agitator, still include material slurry jar, and the bottom of material slurry jar is connected L type pipe, and the feed port of second agitator is connected the top of material slurry jar, L type pipe includes the vertical pipe of connecting in material slurry jar bottom, and the other end of vertical pipe is connected horizontal pipe, and vertical pipe is provided with valve on. Can realize filling material slurry preparation and liquidity detection two links connection, improve test efficiency, avoid the hydration reaction of early addition activator and cause early occurrence.

The invention relates to a lensless holographic microscope-integrated magnetic levitation platform for measuring the viscosity and density of liquids in a microcapillary channel, and to the operating method of said platform. The method of the invention provides the measurement of the viscosity and density of solutions in a portable platform that uses microparticles as a kind of microsensor with magnetic levitation technique, by correlating the levitation speed and height of said microparticles with the viscosity and density of the solution. Furthermore, the integration of a lensless holographic microscope into the platform allows for the visualization and processing of the microparticles levitating within the solution.

The present application belongs to the technical field of polymer chemistry and analytical chemistry, and relates to a cellulose dissolving method and a molecular characteristic index testing method. The dissolving method comprises a step of physically pretreating cellulose, and the process of the physical pretreatment is as follows: first, cellulose is soaked in water as a medium and then filtered to obtain wet cellulose; second, the wet cellulose is freeze-dried to obtain freeze-dried cellulose; third, DMAc is used to replace the residual moisture in the freeze-dried cellulose; and finally, the freeze-dried cellulose is dissolved in LiCl / DMAc. The molecular characteristic index testing method is to obtain a cellulose dilute solution through the dissolving method, and the testing is completed by using a GPC method or a capillary viscometer method. Through the physical pretreatment combined with the dissolving method under mild conditions, the present application realizes the full dissolution of cellulose in a short time, effectively inhibits the degradation of cellulose during the dissolving process, and guarantees the authenticity of the original molecular weight and molecular weight distribution of cellulose.

The application relates to the technical field of power oil detection, and discloses a kinematic viscosity automatic measuring device and method based on a multi-axis coordination unit, which comprises a kinematic viscosity measuring instrument and an automatic sampling device; the automatic sampling device comprises a coordination unit, a sample stage, a cover opening and closing device, a sampling needle device, and a connecting pipeline and a syringe pump; the sampling needle and the syringe pump are connected through the connecting pipeline; the sample stage and the syringe pump are arranged below the coordination unit; the sample stage is driven to move back and forth by a Y-axis; the X-axis of the coordination unit drives the cover opening and closing device and the sampling needle to move left and right; the sampling needle is sucked and pushed by the syringe pump to realize quantitative suction and injection of an oil sample.

The utility model relates to a kind of adhesive flow ability testing device, it is related to adhesive fluidity detection technical field, including oven, be set in the slope device of oven inside, Z-shaped bearing plate is hung in the top of slope device, one end of Z-shaped bearing plate is matched with the slope device and is hung, the other end of Z-shaped bearing plate is used to block adhesive and flow into the slope device, by setting Z-shaped bearing plate, when needing to carry out fluidity test to adhesive, Z-shaped bearing plate is hung directly to slope device, after use, Z-shaped bearing plate is directly removed, Z-shaped bearing plate is replaced, and cleaning, avoid affecting next use, and, directly drop adhesive on Z-shaped bearing plate, so that there is no any obstruction in the process of being heated, its temperature is the temperature in oven, to improve test accuracy.

The utility model relates to the technical field of shampoo flowability testing, and discloses a temperature-controllable shampoo flowability testing device which comprises a base and a conical box arranged at the top of the base and close to the upper part of the rear side, a blanking pipe is fixedly mounted at the bottom of the conical box, a valve is arranged on the outer side of the blanking pipe, and the valve is connected with the conical box. Heating blocks are fixedly installed at the positions, close to the bottom, of the front side and the rear side of the conical box correspondingly, and through mutual cooperation of a translation plate, a square rod, a square block, a threaded sleeve, a threaded rod, a synchronous belt, an L-shaped plate, a servo motor and a vertical plate, a liquid flowmeter and a recycling box can be driven to move forwards to the front side of the conical box; in addition, under the action of a side plate, a special-shaped groove and a sliding rod, the liquid flow meter and a recycling box can move forwards and upwards at the same time, and the operation convenience of the worker is further improved.

The application provides a device and method for testing viscosity of slurry under high temperature and high pressure. The device comprises a slurry heating and pressurizing kettle, a slurry testing pipeline and a slurry receiving tank which are sequentially communicated in the direction of slurry flow; a first buffer tank for maintaining constant pressure of the slurry heating and pressurizing kettle; the first buffer tank is in gas phase space communication with the slurry heating and pressurizing kettle; a second buffer tank for maintaining constant pressure of the slurry receiving tank; the second buffer tank is in gas phase space communication with the slurry receiving tank. The application solves the problem of lacking of testing viscosity of slurry under high temperature and high pressure in the prior art.

A test device for simulating tunneling of a dual-chamber slurry pressure balance (SPB) shield under a hyper-gravity includes a soil box, a shield body, a shield power system, and a slurry feed-discharge system. The shield body and the slurry feed-discharge system are fixed through a bottom plate, and placed on a geotechnical centrifuge; the soil box is connected to the shield power system through the shield body; the shield body is further connected to the slurry feed-discharge system; a front bulkhead is configured to divide a working chamber into a slurry chamber and an air cushion chamber; the shield power system is configured to drive a cutterhead to rotate, and to drive a main shaft to tunnel forward; and the slurry feed-discharge system is configured to feed slurry to the slurry chamber and the air cushion chamber and discharge muck.

The present invention relates to a small blood viscosity measurement kit and a cartridge thereof. According to the present invention, there is provided a small blood viscosity measurement kit that is configured to measure a blood viscosity, including: a kit body; both blood pipes which are formed symmetrically on both sides of the kit body, and of which an upper side is formed to be open so that blood is injected thereinto; and a fine channel connected to a lower side of the both blood pipes. When blood is injected into one of the both blood pipes, the blood is supplied to the other of the both blood pipes through the fine channel. In addition, there is provided a small blood viscosity measurement kit cartridge, in which multiple small blood viscosity measurement kits are stored and kept, and the small blood viscosity measurement kit is able to be automatically supplied.

This invention discloses a viscosity testing device for high-viscosity recycled bottle-grade PET, comprising a base plate, a back plate fixedly connected to the rear side of the top of the base plate, and a swing motor fixedly connected to the front side of the back plate. This invention uses a heating cylinder mechanism to add raw materials and solvents into the cylinder. A heating wire is activated to heat the raw materials. The swing motor drives the heating cylinder mechanism to swing, and the swing frequency and angle of the motor can be adjusted as needed. This agitates the raw materials and solvents inside the heating cylinder mechanism, ensuring uniform heating and improving the dissolution effect. After dissolution is complete, an electric telescopic rod can be activated to move the front end of the blocking plate downwards away from the outlet of the heating cylinder mechanism. The dissolved solvent flows into a recovery tank under gravity, facilitating viscosity testing using an Ubbelohde viscometer. This achieves the effect of ensuring the quality of the test solution and improving measurement stability and efficiency.

This application discloses an online monitoring system for molten salt parameters, relating to the field of intelligent monitoring and diagnostic technology. The online monitoring system selects a first pipe with a curvature less than a preset threshold as the measurement segment in a concentrated solar power (CSP) plant, and installs pressure testing devices at both ends, constructing an online measurement structure based on the pressure difference principle. This system achieves real-time, in-situ monitoring of molten salt viscosity, overcoming the problems of poor timeliness and inability to reflect real-time operating status in traditional offline sampling and analysis. The limitation on pipe curvature ensures the stability of fluid flow, allowing the measured pressure difference to accurately reflect the viscous resistance of the molten salt. This solution has a compact structure, is easy to deploy in engineering, and provides stable and reliable technical support for real-time perception of the molten salt status, operational risk assessment, and early warning decision-making in CSP plants.

We provide a system for performing fluid dynamics analysis. [Solution] In some embodiments, the system includes a support structure. In some embodiments, the system includes a sensing die positioned on the support structure. In some embodiments, the system may include a fluid guide. In some embodiments, the fluid guide is supported by the sensing die in a first position and by the support structure in a second and third position. In some embodiments, the fluid guide defines a flow path configured to receive fluid. In some embodiments, the sensing die includes a sensing portion configured to measure one or more characteristics of the fluid in the flow path.

A method (100) for determining the current viscosity of a flowing medium with a flow measurement system (1) is presented and described, wherein the flow measurement system can determine at least one magnetically inductively based (MID-based) flow value of the flowing medium and one vortex-based flow value of the medium, and wherein the flow measurement system (1) is calibrated with a known calibration viscosity of a calibration medium. wherein in a flow determination step (101) at least one MID-based flow value of the flowing medium and at least one vortex-based flow value of the medium is determined, wherein in a deviation determination step (102) a deviation of the two flow values ​​from each other is determined, where, if the MID-based flow rate and the vortex-based flow rate match, the current viscosity of the flowing medium is set to the value of the calibration viscosity (103), and wherein, in the event of a deviation between the two flow rates beyond a predetermined tolerance value, it is concluded that the actual viscosity of the medium differs from the calibration viscosity (104). Furthermore, a corresponding flow measurement system (1) is described.

The measurement system includes a vibration transducer (10) and electrically coupled measurement system electronics (20) for controlling the transducer and evaluating the vibration measurement signal provided by the transducer. The exciter device has a vibration exciter (31) positioned and oriented such that the drive offset (ΔE) is no greater than 0.5% of the tube length. The measurement system electronics (20) is configured to provide electrical power to the vibration exciter (31) via an electrical drive signal (e1) having a time-varying current, and to at least intermittently provide a drive signal (e1) containing a sinusoidal (second useful) current (eN2) with a (second) (AC) frequency, so as to monitor the mass of the measured substance based on a corresponding (second) useful signal component (s1N2; s2N2) of at least one of the vibration measurement signals (s1, s2).

The invention relates to a cyclic polymer processing method comprising an inline viscosity measurement method for determining a viscosity measurement value of a fluid polymer stream. The fluid polymer stream flows through a measuring section arranged in a closed channel, in which at least one static mixer containing a built-in element is arranged, whereby an inlet pressure upstream of the built-in element and an outlet pressure at an outlet end are measured. A computer unit determines a pressure difference between the inlet pressure and the outlet pressure. The maximum measured pressure difference during a measurement time per cycle is at least 5 bar.

This is a test apparatus and method for the movement and leakage of packing particles inside a karst pipeline. [Solution] The inside of the glass pipe is filled with a karst pipeline transparent-like material, a colored solution is placed between the pressurizing module and the karst pipeline filling material, and a permeation slit is provided in the center of the sealing module. Pressurizing the pressurizing module carries the filling particles through the permeation slit into the permeate collection pipe, and finally collects them in the flow metering module. In the test process, a laser is used to irradiate the karst pipeline filling material to form a laser cross-section, and digital photogrammetry analysis is performed to analyze the permeation coefficient and porosity of the karst pipeline filling structure based on the water mass and particle mass of the permeate, thereby studying the particle movement and outflow rules of the filling material inside the karst pipeline.

The utility model relates to the technical field of coal water slurry detection, specifically to a kind of detection device of coal water slurry kinematic viscosity, including slurry container, U-shaped pipe, three-way valve and four-way valve, the outlet end of slurry container is connected with pressure relief pipe, the inlet of slurry container is connected with the one end of U-shaped pipe by electric ball valve, the three interfaces of three-way valve are respectively connected with the other end of U-shaped pipe, liquid discharge pipe and four-way valve, the four-way valve is connected with coal slurry pipe, water inlet pipe, nitrogen pipe and three-way valve, diaphragm pump and coal slurry valve are arranged on the coal slurry pipe, the side of U-shaped pipe is provided with flush pipe that is connected with the inside of U-shaped pipe, liquid discharge valve is arranged on liquid discharge pipe, water inlet valve and inlet valve are respectively arranged on water inlet pipe and nitrogen pipe, flush valve is arranged on flush pipe, the capacity of slurry container is 10ml;The utility model can reduce the requirement to hardware equipment in detection process, and also can shorten detection procedure shorter, and detection result is more accurate.

Method for the manufacture and analysis of a liquid washing or cleaning agent or cosmetic, comprising the steps: a) provide a liquid, preferably non-Newtonian, base mixture; b) continuous movement of the base mixture; c) Introducing at least one additive via an introduction into the base mixture to form an additive-containing base mixture; d) Passing a subset of the additive-containing base mixture through a secondary line; e) continuous discharge of a portion of the additive-containing base mixture from the secondary line via a discharge into a degassing cell and degassing of the additive-containing base mixture; f) transfer at least a subset of the degassed additive-containing base mixture from the degassing cell and pass the degassed additive-containing base mixture through a capillary measuring section of a capillary viscometer, wherein i) the additive-containing base mixture is passed through the capillary measuring section at a defined flow rate; ii) a pressure difference is determined between the beginning and the end of the capillary measuring section; iii) a viscosity value for the degassed additive-containing base mixture is calculated based on the determined pressure difference.

Provided is a blood viscosity measurement module for an automatic blood viscosity measurement device, and more specifically, a blood viscosity measurement module for an automatic blood viscosity measurement device that can measure viscosity of a blood sample injected into a test kit with high accuracy through a constant temperature maintenance means, simultaneously process viscosity measurement for a plurality of blood samples through a multi-channel structure, and minimize measurement errors through a structure in which the test kit can be brought into close contact with a blood flow detection sensor.

The invention relates to a continuous polymer processing method comprising an inline viscosity measurement method for measuring a pressure difference to determine the viscosity of a fluid polymer flow. The fluid polymer flow passes through a measuring section arranged in a closed channel (1), in which at least one insert (5) is arranged, wherein an inlet pressure upstream of the insert (5) and an outlet pressure at an outlet end (4) are measured. A pressure difference between the inlet pressure and the outlet pressure is determined by means of a computer unit (8). The viscosity of the fluid polymer flow is controlled using the viscosity measurement obtained by the inline viscosity measurement method by means of a closed control loop.

Viscosity measuring device with a cup body comprising an outlet with an opening of 4 mm diameter, characterized in that the outlet is opened or closed via a valve system operable by a hand lever.

A method of assessing a bodily fluid sample on a test strip may involve applying a periodic signal with a first electrode located at a first location in a microfluidic channel of the test strip, monitoring the applied periodic signal with a second electrode located at a second location in the microfluidic channel, and using a third electrode located at a third location in the microfluidic channel as a reference electrode. The method may also include: collecting the bodily fluid sample in the microfluidic channel; continuing to apply the periodic signal, monitor the periodic signal and use the third electrode as a reference electrode while collecting the bodily fluid sample; and determining that the bodily fluid sample is sufficient for analyzing, based at least in part on the applied and monitored periodic signal.

A system for analysing a fluid is described, including an in-line sensor configured to analyse a fluid flowing past the in-line sensor to determine at least one in-line value of a fluid parameter of the fluid across an event period, and a sample sensor configured to analyse a sample of fluid extracted from the flow of fluid during the event period, to determine a sample value of the fluid parameter for the sample. At least one processor is provided, configured to determine a representative in-line value of the fluid parameter across the event period based at least in part on the at least one in-line value, and determine an overall representative value of the fluid parameter across the event period based on the representative in-line value, the sample value for the sample, and one or more of the in-line values corresponding to the time of extracting the sample, wherein determination of the overall representative value is based on an error correction value determined for the in-line sensor during the event period.