50 results about "Thermosphere" patented technology

A low orbit optical imaging satellite has a long thin satellite body housing an optical telescope arrangement. A major part of the telescope arrangement has its optical axis roughly parallel to the direction of elongation and includes a mirror arrangement deployed to direct a line of sight of the optical telescope out sideways from the direction of elongation. The transverse dimensions of the satellite body are preferably minimized to be close to the optical aperture dimension of the optical telescope, thereby providing a high ballistic coefficient and high orbit lifetime for orbits in the low thermosphere.

The invention relates to a double-sided photo-thermal conversion material and a solar seawater evaporation device constructed by the same. The double-sided photo-thermal conversion material has a composite layer (more than two layers) structure, and the upper and lower layers are hydrophilic photo-thermal conversion materials. The device is composed of the double-sided photo-thermal conversion material (with a three-layer composite structure, the lower layer is completely immersed in seawater, and the upper layer is located above the water surface), a water tank (containing seawater), a waterlevel adjusting mechanism (capable of adjusting the height of the water surface) and a turnover mechanism (capable of intermittently driving the double-sided material to turn over up and down). Alternatively, the device is composed of a conveyor belt (which is a hydrophilic photo-thermal conversion material with a double-layer composite structure and is distributed into three parts, namely, a partbelow the water surface, a part above the water surface and a part outside the water tank), a water tank, a water level adjusting mechanism, a supporting mechanism (capable of supporting the conveyorbelt) and a driving mechanism (capable of continuously driving the conveyor belt to work). The problems that in the prior art, salt particles separated out of the surface of a hot layer are not removed in time, consumed time is long, and cost is high are effectively solved.

The invention discloses a fast-heating wide-range thermogravimetric analyzer, which comprises a weighing system, a reaction system, a heating system, and a control system, the weighing system comprises a base cabinet and an electronic scale, the reaction system comprises a sample support, a sample-loading metal mesh, a high-temperature alundum tube, and a thermocouple for measuring sample temperature, and the heating system comprises an automatic lifter, a cooling water protector, a lower heat-insulating layer, a high-temperature heating furnace, an upper heat-insulating layer, and a sealing cover; and the control system is used for controlling gas intake, water flow in the cooling water protector, the furnace temperature and temperature adjustment of the high-temperature heating furnace and recording sample quality, sample temperature, gas intake and water flow data in real time. The thermogravimetric analyzer disclosed by the invention is low in pile-up effect and close to actual working conditions, the electronic scale is stable, the fast heating of high temperature can be realized, quality and temperature data measured by a wide-range sample isothermal method are accurate and stable, and the fast-heating wide-range thermogravimetric analyzer has the advantages of small error, convenience in operation, simple structure and the like.

An insulated high-temperature transport conduit for use in undersea environments. The conduit comprises a continuous steel pipe having at least a first layer of thermal insulation provided over its outer surface. The first layer of thermal insulation comprises a polymer composition having a thermal conductivity of less than about 0.40 W/mK and long-term heat resistance at continuous operating temperatures within the range from about 150° C. to above about 205° C. The first thermal insulation layer comprises a polymer composition comprising a polymer selected from the group consisting of one or more fluoropolymers, hydrogenated nitrile butadiene rubber (HNBR), and a blend of one or more fluoropolymers with HNBR. The conduit may further comprise second and third layers of insulation on top of the first layer, along with a corrosion protection coating underlying the first thermal insulation layer.

The present invention proposes an electrothermal element which comprises a substrate, a reflective layer, an electrothermal layer, and an auxiliary layer. The electrothermal layer can emit infrared radiation which is reflected by the reflective layer and enable infrared radiation emitted from one side of the electrothermal element. The auxiliary layer can increase the thermal uniformity of the electrothermal element and also convert the thermal energy of the electrothermal element itself into infrared radiation. It not only improves overall infrared emissivity of the electrothermal element but also reduces the temperature of the electrothermal element. This invention offers an effectively and rapidly warming up solution at selected local regions, no oxygen consumption and fan noise problems, and the electrothermal element can replace the traditional ceiling or be mounted directly on the wall, to solve the disadvantage of requiring space of the conventional electric heating device.

An insulative block of foam insulation has interspersed on an upper angled surface, a series of ridges and valleys. The valleys afford passageways for air circulation through the soffits and out the attic vents, be they ridge vents or attic turbines. This eave insulation prevents/reduces the thaw freeze phenomenon resulting from heat escaping in the vent region which results in the formation of ice dams which often produce roof damage.

The invention relates to the field of plus materials, and particularly provides an aromatic wearable plus material for preventing the concentration of heating power. The aromatic wearable plus material is characterized by comprising a wearable plus material of an upper layer and a lower-layer stiff and smooth plus material, wherein the wearable plus material is formed by being knitted by adopting warp and weft; the surfaces of the warp and the welt are coated with wearable coatings; the lower-layer stiff and smooth plus material is formed by compositing an antibacterial layer, an inflaming retarding layer, a real silk fabric layer, a heat conducting layer and a waterproof layer; the antibacterial layer is formed by weaving a silver-plated fiber; the real silk fabric layer is formed by compositing a cashmere fiber, a viscose fiber, a ramie cotton fiber and an acrylic fiber; the heat conducting layer is also connected with a heating layer and a temperature sensor, and is connected with a temperature controller and a regulating switch through electricity; an aromatic layer is also composited on the lower surface of the real silk fabric layer; the aromatic layer is an aromatic fabric; the aromatic fabric is woven by adopting a bamboo charcoal fiber or a cotton fiber; a miniature capsule is arranged in the aromatic fabric; an aromatic particle is arranged in the miniature capsule; the miniature capsule is provided with micro holes from interior to exterior.

The invention provides a magnalium spinelle composite brick, which is a sector block and consists of a little end magnalium spinelle layer and a big end light heat-insulation layer. The thickness A is 98 millimeters, the sector angle B is 6.53 degrees, the radius of an outer circle of the light heat-insulation layer is 2000 millimeters, the radial length of the light heat-insulation layer is 60 millimeters, and the total radial length of the magnalium spinelle layer and the light heat-insulation layer is 230 millimeters. The service life is longer than 2 years.

The invention belongs to the technical field of space physics and discloses a thermosphere atmospheric density correction method. Due to the fact that a thermosphere atmospheric density calculating mode is selected, a kernel regressing method is adopted for calculating thermosphere atmospheric density errors calculated by the thermosphere atmospheric density mode, and therefore the thermosphere atmospheric density is corrected finally. According to the thermosphere atmospheric density correction method, the thermosphere atmospheric density precision is improved, and therefore the orbit determining precision and the forecasting precision of low orbit spacecrafts represented by manned spacecrafts are improved.

The invention discloses a ceramic fiber heat insulating material with which an aluminum film is covered. The ceramic fiber heat insulating material comprises a non-heated layer. The upper surface of the non-heated layer is fixedly connected with a heated layer, and the surface of the heated layer is fixedly connected with the aluminum film. The non-heated layer is prepared from following raw materials including 55% of ceramic fibers, 10% of a sol binding agent, 8% of starch, 20% of clay and 7% of cab-o-sil. The heated layer is prepared from following raw materials including 50%-55% of fireproof fibers, 10%-15% of clay, 8% of starch, 2% of an organic binding agent, 1% of an inorganic binding agent, 7% of aluminum oxide powder, 4% of emery powder, 2% of a heat insulating additive and 11% ofa sol binding agent. According to the ceramic fiber heat insulating material with which the aluminum film is covered, the materials of the heated layer are selected from the high-aluminum fireproof fibers, the aluminum oxide content reaches 60% or above, and the heat-resistance temperature of the heated layer reaches up to 1,400 DEG C; and through an aluminum oxide thin film layer arranged on thesurface of the heat insulating material, the bearing temperature of the heated layer of the heat insulating material and the melting point of aluminum oxide are equal and reach up to 2,054 DEG C, theheated layer can directly make contact with flames, and by means of a sol binding manner, rapid baking and continuous operation are facilitated.

The invention discloses a high-temperature-resistant immersion probe for a laser-induced breakdown spectroscopy system. The high-temperature-resistant immersion probe comprises a high-temperature-resistant pipe (6), a high-temperature-resistant pipe sleeve (7), a high-temperature-resistant pipe heat insulation pad (8), an external heat insulation layer (9), a middle protection pipe (11), a sealing sheet, a lens barrel, a rear end box body (20), a temperature sensor (14), an air pressure sensor (16), an air inlet (23), an air outlet (12) and a lead screw drive system (21). The high-temperature-resistant immersion probe has a function of automatically and precisely controlling the temperature of a multilayer temperature control cavity in a high temperature environment and can guarantee stable parameters of an optical element in the probe. By the adoption of a coarse-fine combination two-stage servo control system consisting of a laser distance measurer, a laser-induced breakdown spectroscopy signal and a precision lead screw, quick and accurate positioning required by measurement is realized, the working time of the laser-induced breakdown spectroscopy system is shortened, and burdens on a laser device and a signal processing unit are relieved.

The invention discloses a precise metal zero-length spring temperature coefficient measuring instrument and a method thereof, and relates to a performance testing technology of geoscientific instrument core components. According to the measuring instrument, a shell unit is internally provided with an outer heat insulating layer, an outer constant temperature tank, an inner heat insulating layer, a metal Dewar flask and an inner constant temperature tank from outside to inside; a temperature control system arranged outside the shell unit is connected with the outer constant temperature tank and the inner constant temperature tank; a mechanical sensitive probe unit is arranged in the inner constant temperature tank, and a zero-length spring is arranged in the mechanical sensitive probe unit. The measuring instrument can truly simulate the using environment of the zero-length spring, so that the temperature coefficients of the spring can be more precisely and truly measured; the repeatability rate is high, the stability is good and the interference from outside environment is extremely small; the human intervention is less, and the measurement efficiency is improved; the measuring instrument is suitable for measurement of precise metal zero-length spring temperature coefficients.

The invention provides a novel energy-saving brick, which is a sector block and consists of a little end heavy wear layer and a big end light heat-insulation layer. The thickness A is 98 millimeters, the sector angle B is 6.53 degrees; the radius of an outer circle of the light heat-insulation layer is 2000 millimeters. The novel energy-saving brick is characterized in that the radial length of the light heat-insulation layer is between 140 and 180 millimeters, and the total radial length of the heavy wear layer and the light heat-insulation layer is between 300 and 350 millimeters. The service life is longer than 2 years.

The invention provides a phosphate composite brick, which is a sector block and consists of a little end phosphate layer and a big end light heat-insulation layer. The thickness A is 98 millimeters, the sector angle B is 6.53 degrees, the radius of an outer circle of the light heat-insulation layer is 2000 millimeters, the radial length of the light heat-insulation layer is 60 millimeters, and the total radial length of the phosphate layer and the light heat-insulation layer is 230 millimeters. The service life is longer than 2 years.

The invention discloses a vacuum tube with an inner insulating layer and a schematic diagram of the vacuum tube. An insulating coating layer is coated on the outer wall of an inner tube of the vacuum tube, an insulating layer is arranged between the inner tube and an outer tube, and energy on the inner tube can be prevented from directly irradiating to the inner wall of the outer tube and can be absorbed and discharged to the atmosphere by the outer tube. The vacuum tube has the advantages of good pressure resistance, high corrosion resistance, stable vacuum degree, less proneness to damage and the like, and is better in heat and coldness insulation as compared with common vacuum tubes, and energy loss in steam, cold air and hot water delivery is reduced. Besides, the vacuum tube is simple in structure.

The invention relates to the technical field of physiotherapy supplies, in particular to a medical stone infrared thermal effect composite board. It includes an outer surface layer, an electric heating layer, a heat transfer layer and an inner surface layer which are sequentially stacked and distributed from outside to inside. The inner surface of the heat transfer layer is inlaid with a number of mutually distributed arrays and the inner surface is in contact with the inner surface layer. Maifan stone. In the present invention, the heat transfer layer can be used to conduct the heat generated by the electric heating layer to the medical stone while avoiding the direct contact between the medical stone and the electric heating layer, so as to utilize the thermal radiation and infrared rays of the medical stone. radiation performance to realize the infrared thermal effect function of the composite board; at the same time, because the medical stone is presented on the composite board in an array distribution, it can form a point-like micro "heat island" structure, so that the large heat generated by the electric heating layer can be formed. Part of the heat can be dissipated through the medical stone, so as to give full play to the release of infrared rays from the stone, and achieve physiotherapy effects such as promoting metabolism and activating cells.

A regeneration accumulator of glide underwater vehicle is provided, which belongs to the technical filed of ocean engineering. The invention comprises a cylinder body, a perfusion tube, a floating piston, a cylinder lid, a regeneration layer, an O-shaped cushion rubber, energy transmission liquid, working gas, a piston ring and a plug. The invention utilizes that the working substance of temperature induction generates solid liquid phase change, the working gas storages energy when being compressed and the temperature of the working gas increases and produces temperature difference, the working gas experiencing constant volume exothermic process, the regeneration layer adsorbs the heat discharged from the working gas; then, the working substance of temperature induction starts the a new round of solid liquid phase change, the working gas adsorbs the heat stored by the regeneration layer, during the constant volume exothermic process, the pressure of the working gas returns to the original inflation pressure and thus realizing the whole cycling work. The invention utilizes the energy storage technology of regeneration layer, which makes the accumulator enter the seasonal constant working situation of heat cycle to realize the normal working of the glide underwater vehicle, thus having significant utility value.

The invention discloses a pseudo-satellite indoor positioning method based on a UKF algorithm. The method comprises the steps that (1) a pseudo-satellite double-difference pseudo-range observation model is constructed; and (2) the UKF algorithm is used to carry out indoor positioning on a pseudo-satellite. According to the invention, the pseudo-satellite double-difference pseudo-range observationmodel is constructed to eliminate the influence of receiver clock difference, satellite clock error, thermosphere delay and troposphere delay in pseudo-satellite pseudo-range measurement values; for the problem of a large linearization error generated by an independent networking pseudo-satellite system which uses an EKF algorithm, the linearization error of the observation model is analyzed; theinfluencing factor of the linearization error is the error of the distance between the pseudo-satellite and a receiver and the position of the receiver; when the coordinate error of the receiver is larger and the distance between the satellite and the receiver is smaller, the linearization error is larger; in pseudo-satellite indoor positioning, the UKF algorithm is used for positioning to avoid the linearization error; and when the coordinate error of the receiver is relatively large, faster convergence speed and higher indoor positioning accuracy than the EKF algorithm can be acquired.

The invention relates to a thermal insulating layer, and in particular relates to a thermal insulating layer for a hot channel of a hypersonic-velocity wind tunnel. The thermal insulating layer is in a cylindrical structure and comprises a cylinder body and two cylinder covers, wherein the cylinder body is formed by rolling a plurality of metal plates; each cylinder cover is manufactured by a metal plate; the two cylinder covers are respectively welded at the two ends of the cylinder body; and each metal plate is of a convex structure. The thermal insulating layer adopts a structure with the multiple metal plates, utilizes air among the thin plates for thermal insulation and fulfills the purposes of resisting the brush of air flow and the pressure of the internal air flow by utilizing the strength of the metal plates, so that a pressure balance hole does not need to be formed, the service life of the thermal insulation layer structure is prolonged, and the pollution of thermal insulating materials to a flow field is eliminated; the convex area is 33%-40%, and the thermal insulation effect and the stiffness of the thermal insulation layer structure are ensured at the same time; and the overhaul and the maintenance to the equipment are unnecessary, therefore, the cost is saved, and good economic benefits are achieved.

The invention provides a heat storage system in a moon-based extreme environment. The heat storage system is arranged at a constant zone of subsurface temperature of the moon, the temperature of the constant zone of subsurface temperature is maintained constant, the distance of the constant zone of subsurface temperature from a lunar surface is at least 1 meter, the heat storage system comprises aheat isolation layer, a heat storage layer and a switching assembly, sunlight irradiates the heat isolation layer, the heat isolation layer covers the heat storage layer, the heat conduction coefficient of the heat isolation layer is smaller than that of the heat storage layer, a passage is formed in the heat isolation layer, the heat storage layer communicates with outside by the passage so as to receive heat of the sunlight, and the switching assembly is arranged at the passage and is used for switching the heat storage layer between the state that the heat storage layer is in heat exchangewith the outside and the state that the heat storage layer is not in heat exchange with the outside. By the arrangement, the heat of the heat storage layer is isolated from the outside by the heat isolation layer, heat loss is reduced, the heat storage layer is controlled to absorb/dissipate heat by the switching assembly, the heat storage system is helped to do heat exchange inversing to relatively temperature difference, human activity in the moon extreme environment is facilitated, and deep space exploration by human is facilitated.

The invention provides a low-orbit detection hot layer atmosphere multi-factor separation and feature extraction method. The method comprises low-orbit atmosphere multi-source influence factor separation and disturbance atmosphere feature extraction in a magnetic storm process. The low-orbit atmospheric multi-source influence factor separation comprises the following steps: based on low-orbit detection atmospheric data and external geophysical condition data at the same moment, performing ascending and descending orbit separation on detection orbit data, and then recombining a detection data sequence according to a nearest neighbor condition; correcting the height of the atmosphere in the processed range based on the empirical mode; performing classification denoising processing on the recombined data based on a method of combining time sequence superposition median and error analysis; and, based on gridding atmospheric parameters of multi-condition classification processing, separating multi-source influence factors of high-level atmosphere, and extracting influence characteristics of local time, latitude, season, terrestrial magnetism and solar radiation on hot-layer atmosphere.The method is small in feature extraction error.

The invention discloses a total temperature probe device with high precision and low self-loss. The total temperature probe device is installed at the leading edge of a rotating mechanical blade of anaerospace vehicle and comprises a probe body, wherein the probe body is defined with two layers of chambers, which are respectively recorded as a stagnation layer and a heat insulation layer; the heat insulation layer is sleeved outside the stagnation layer, the stagnation layer contains a temperature sensor, a first through hole is defined between the stagnation layer and the heat insulation layer, and a second through hole is defined at the bottom of the heat insulation layer in the direction of the blade pitch. The purpose of the total temperature measuring device provided by the inventionis to accurately measure the stagnation temperature of the leading edge of the blade, reduce the loss caused by the temperature measuring device, and obtain a more accurate total temperature measurement when the influence on the original flow field is as small as possible.