CN112937927B - Water sublimation heat dissipation system for lunar surface high-temperature environment - Google Patents
Water sublimation heat dissipation system for lunar surface high-temperature environment Download PDFInfo
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Abstract
The invention discloses a water sublimation heat dissipation system for a lunar high-temperature environment, which comprises two stages of sublimation heat exchange devices arranged in parallel; the working medium storage device is internally separated by a diaphragm to form an air storage cavity and a liquid storage cavity; the first sublimation heat exchange device and the second sublimation heat exchange device; a first circulation control assembly and a second circulation control assembly which are arranged in parallel are arranged in the main pipeline; a third flow-through control assembly, a first pressure monitoring assembly and a first pressure regulating assembly are arranged in the first branch pipeline; a fourth circulation control assembly, a second pressure monitoring assembly and a second pressure adjusting assembly are arranged in the second branch pipeline; the first sublimation heat exchange device and the second sublimation heat exchange device can be connected in series to be used as a primary heat sink and a secondary heat sink of the fluid loop; a plurality of temperature sensing elements are mounted in the fluid circuit. The water sublimation heat dissipation system can ensure the adaptability of water sublimation heat dissipation to long-term stable operation, high-temperature starting and gravity environment of the moon surface.
Description
Technical Field
The invention relates to the technical field of spacecraft thermal control, in particular to a water sublimation heat dissipation system for a lunar high-temperature environment.
Background
The water sublimation heat dissipation technology is used for dissipating heat by utilizing the sublimation principle of working media, and waste heat of the spacecraft is taken away in the process of enabling the consumable media to generate phase change and finally discharging the consumable media to the outer space, so that heat dissipation of a spacecraft thermal control system is achieved. Water sublimation heat dissipation technology is an essential thermal control measure when the spacecraft is not enough to provide enough heat dissipation surface or other thermal control measures cannot function. With the gradual development of lunar exploration activities and deep space exploration work in China, the water sublimation heat dissipation technology becomes one of the indispensable and necessary breakthrough thermal control means in future spacecraft thermal control in China.
The water sublimation heat dissipation device is a part for realizing a heat dissipation function in a heat dissipation system, and in order to realize corresponding temperature control and heat dissipation capacity and ensure the lunar surface working reliability and robustness of the system, a working medium conveying and distribution link matched with the water sublimation heat dissipation device is required. However, the specific composition structure of the water sublimation heat dissipation system is not mentioned in the literature data published at home and abroad at present.
Disclosure of Invention
In view of this, the invention provides a water sublimation heat dissipation system for a lunar surface high-temperature environment, which can ensure long-term stable operation of water sublimation heat dissipation on a lunar surface, high-temperature starting and adaptability of a gravity environment, and solve the technical problem that a radiation heat dissipation channel of a lunar unmanned sampling return detector is insufficient during lunar surface working.
The invention adopts the following specific technical scheme:
a water sublimation heat dissipation system for a lunar high-temperature environment comprises a working medium storage device, a working medium filling assembly, a first sublimation heat exchange device, a second sublimation heat exchange device and a control assembly;
the working medium storage device is internally divided by a diaphragm to form an air storage cavity and a liquid storage cavity, the air storage cavity is used for storing gas working medium, and the liquid storage cavity is used for storing liquid working medium; the diaphragm is an M508 rubber semi-membrane with the thickness less than 1mm, and the main characteristics of the diaphragm comprise: the tensile strength is more than or equal to 10MPa, the elongation at break is more than or equal to 400 percent, and the permanent deformation is less than or equal to 20 percent;
the working medium filling assembly comprises a gas working medium filling assembly for filling gas working medium into the gas storage cavity and a liquid working medium filling assembly for filling liquid working medium into the liquid storage cavity, and the gas working medium filling pressure in the gas storage cavity is used for controlling the discharge of the liquid working medium in the liquid storage cavity;
the first sublimation heat exchange device and the second sublimation heat exchange device are arranged in parallel, the first sublimation heat exchange device is communicated with the liquid storage cavity through a main pipeline and a first branch pipeline, and the second sublimation heat exchange device is communicated with the liquid storage cavity through the main pipeline and a second branch pipeline;
a first circulation control assembly and a second circulation control assembly which are arranged in parallel are arranged in the main pipeline;
a third flow control assembly for controlling the flow of the liquid working medium, a first pressure monitoring assembly for monitoring the flow pressure of the liquid working medium in real time and a first pressure adjusting assembly for adjusting the pressure of the liquid working medium are arranged in the first branch pipeline;
a fourth circulation control assembly for controlling the flow of the liquid working medium, a second pressure monitoring assembly for monitoring the flowing pressure of the liquid working medium in real time and a second pressure adjusting assembly for adjusting the pressure of the liquid working medium are arranged in the second branch pipeline;
the air storage cavity is also provided with a third pressure monitoring assembly for pressure detection;
the first sublimation heat exchange device and the second sublimation heat exchange device are used as a primary heat sink and a secondary heat sink of the fluid loop;
a plurality of temperature measuring elements are arranged in the fluid loop;
according to detection signals of the first pressure monitoring assembly, the second pressure monitoring assembly and the temperature measuring element, the control assembly controls the first flow control assembly, the second flow control assembly, the third flow control assembly, the fourth flow control assembly, the first pressure regulating assembly and the second pressure regulating assembly.
Furthermore, a filtering device is also installed in the main pipeline.
Still further, the first pressure regulating assembly and the second pressure regulating assembly are vacuum feedback pressure regulating assemblies.
Further, the gas working medium is an inert gas.
Further, the gas working fluid is nitrogen.
Furthermore, the first sublimation heat exchange device and the second sublimation heat exchange device respectively comprise sublimation cold plates connected in parallel and heat exchange cold plates positioned between the sublimation cold plates;
the sublimation cold plate and the heat exchange cold plate are coupled through a heat transfer interface;
the heat exchange cold plates are connected in series by the fluid loop.
Furthermore, the plurality of temperature measuring elements include a first temperature measuring element, a second temperature measuring element and a third temperature measuring element, wherein:
the first temperature measuring element is arranged at the inlet end of the fluid loop;
the second temperature measuring element is arranged in the fluid loop between the first sublimation heat exchange device and the second sublimation heat exchange device;
the third temperature measuring element is arranged at the outlet end of the fluid loop.
Furthermore, the pressure of the gas working medium in the gas storage cavity is 60 kPa-350 kPa.
Has the advantages that:
according to the water sublimation heat dissipation system for the lunar high-temperature environment, the double reconstruction of the water supply link structure topology and the heat sink combined energy topology is realized through the two-stage parallel connection of the water supply link and the two-stage series connection of the heat sink, the function of the water sublimation heat dissipation system in the lunar high-temperature environment is realized, and the reliability and the robustness of the system are enhanced; the combination mode of the water supply branch and the heat sink module is convenient for system modular development, assembly and application, and the maintainability of the aerospace product is enhanced; based on the topology reconstruction structure, diversified application modes and control strategies are convenient to adopt so as to meet different heat dissipation requirements during the lunar work period; the water sublimation heat dissipation system with the structure can ensure the long-term stable operation of water sublimation heat dissipation on the lunar surface, the high-temperature starting and the adaptability of a gravity environment, and solves the technical problem that a radiation heat dissipation channel of a lunar unmanned sampling return detector is insufficient during the working period of the lunar surface.
Drawings
FIG. 1 is a schematic view of a water sublimation heat dissipation system for a high temperature lunar environment according to the present invention;
fig. 2 is a schematic view of a control assembly of the water sublimation heat dissipation system in fig. 1.
Wherein, 1-working medium storage device, 2-first sublimation heat exchange device, 3-second sublimation heat exchange device, 4-diaphragm, 5-air storage chamber, 6-liquid storage chamber, 7-gas working medium filling component, 8-liquid working medium filling component, 9-main pipeline, 10-first branch pipeline, 11-second branch pipeline, 12-first circulation control component, 13-second circulation control component, 14-third circulation control component, 15-first pressure monitoring component, 16-first pressure adjusting component, 17-fourth circulation control component, 18-second pressure monitoring component, 19-second pressure adjusting component, 20-third pressure monitoring component, 21-fluid loop, 22-filtering device, 23-sublimation cold plate, 24-heat exchange cold plate, 25-first temperature measuring element, 26-second temperature measuring element, 27-third temperature measuring element and 28-control assembly
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a water sublimation heat dissipation system for a lunar high-temperature environment, where the water sublimation heat dissipation system includes a working medium storage device 1, a working medium filling assembly, a first sublimation heat exchange device 2, a second sublimation heat exchange device 3, and a control assembly 28;
the working medium storage device 1 is a consumption type working medium storage device 1 of a water sublimation heat dissipation system; the working medium storage device 1 is internally divided by a diaphragm 4 to form an air storage cavity 5 and a liquid storage cavity 6, the air storage cavity 5 is used for storing gas working medium, and the liquid storage cavity 6 is used for storing liquid working medium; the pressure of the gas working medium in the gas storage cavity 5 can be 60kPa to 350kPa, such as: 60kPa, 70kPa, 80kPa, 90kPa, 100kPa, 120kPa, 150kPa, 180kPa, 200kPa, 230kPa, 250kPa, 270kPa, 290kPa, 300kPa, 320kPa, 330kPa, 340kPa, 350 kPa; the gas working medium is inert gas such as nitrogen and the like; the liquid working medium can be water; the diaphragm 4 is an M508 rubber semi-membrane with the thickness less than 1mm, and the main characteristics of the diaphragm comprise: the tensile strength is more than or equal to 10MPa, the elongation at break is more than or equal to 400 percent, and the permanent deformation is less than or equal to 20 percent;
the working medium filling assembly comprises a gas working medium filling assembly 7 for filling gas working medium into the gas storage cavity 5 and a liquid working medium filling assembly 8 for filling liquid working medium into the liquid storage cavity 6, and the gas working medium filling pressure in the gas storage cavity 5 is used for controlling the discharge of the liquid working medium in the liquid storage cavity 6; liquid working media such as water working media and the like are filled into the liquid storage cavity 6 of the working medium storage device 1 through the liquid working medium filling assembly 8; gas working media such as nitrogen and the like are filled into the gas storage cavity 5 of the working medium storage device 1 through the gas working medium filling assembly 7, a certain high-pressure state is maintained in the gas storage cavity 5, and the gas working media and the liquid working media are separated through the diaphragm 4;
the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3 are arranged in parallel, the first sublimation heat exchange device 2 is communicated with the liquid storage cavity 6 through a main pipeline 9 and a first branch pipeline 10, and the second sublimation heat exchange device 3 is communicated with the liquid storage cavity 6 through the main pipeline 9 and a second branch pipeline 11; as shown in the configuration of FIG. 1, first sublimation heat exchange device 2 and second sublimation heat exchange device 3 each include sublimation cold plates 23 connected in parallel and heat exchange cold plates 24 located between sublimation cold plates 23; the sublimation cold plate 23 and the heat exchange cold plate 24 are coupled through a heat transfer interface; the heat exchange cold plates 24 are connected in series by the fluid circuit 21;
a first flow passage control assembly 12 and a second flow passage control assembly 13 which are arranged in parallel are installed in the main pipeline 9; the first circulation control assembly 12 and the second circulation control assembly 13 in the main pipeline 9 are arranged in parallel, so that the first circulation control assembly 12 and the second circulation control assembly 13 are backup to each other; in order to avoid the system component blockage and failure caused by the particles possibly remaining in the liquid working medium, the main pipeline 9 is also provided with a filtering device 22; the filtering device 22 can be installed on the outlet sides of the first circulation control assembly 12 and the second circulation control assembly 13 of the main pipeline 9, and the liquid working medium can be filtered through the filtering device 22 to protect the rear end components in the system;
a third flow control assembly 14 for controlling the flow of the liquid working medium, a first pressure monitoring assembly 15 for monitoring the flow pressure of the liquid working medium in real time and a first pressure adjusting assembly 16 for adjusting the pressure of the liquid working medium are arranged in the first branch pipeline 10; the first pressure regulating assembly 16 may be a vacuum feedback pressure regulating assembly; the first branch pipeline 10 adopts a first pressure regulating component 16 to regulate the pressure of the liquid working medium; the third flow control assembly 14 can independently control the on-off of the liquid working medium in the first branch pipeline 10; the first pressure monitoring assembly 15 is used for monitoring the flowing pressure of the liquid working medium in the first branch pipeline 10 in real time and assisting in judging the operation condition of the first sublimation heat exchange device 2;
a fourth circulation control assembly 17 for controlling the flow of the liquid working medium, a second pressure monitoring assembly 18 for monitoring the flowing pressure of the liquid working medium in real time and a second pressure adjusting assembly 19 for adjusting the pressure of the liquid working medium are arranged in the second branch pipeline 11; the second pressure regulating assembly 19 may be a vacuum feedback pressure regulating assembly; the second branch pipeline 11 adopts a second pressure regulating component 19 to regulate the pressure of the liquid working medium; the fourth circulation control assembly 17 can independently control the on-off of the liquid working medium in the second branch pipeline 11; the second pressure monitoring assembly 18 is used for monitoring the flow pressure of the liquid working medium in the second branch pipeline 11 in real time and assisting in judging the operation condition of the second sublimation heat exchange device 3;
the first circulation control assembly 12 and the second circulation control assembly 13 in the main pipeline 9, the third circulation control assembly 14 and the fourth circulation control assembly 17 in the two branch pipelines are backup respectively, so that the redundancy and the reliability of the system can be increased; the first circulation control assembly 12 and the second circulation control assembly 13 in the main pipeline 9 may include filtering elements, which may be used for filtering the system working medium and protecting the rear end assembly; the first pressure regulating assembly 16 and the second pressure regulating assembly 19 may also contain filter elements for filtering of the system working fluid and multiple protection of the back end components.
The air storage cavity 5 is also provided with a third pressure monitoring assembly 20 for pressure detection; the third pressure monitoring assembly 20 is used for detecting the gas pressure in the gas storage cavity 5 in the working medium storage device in real time, monitoring the state of the working medium storage device and judging the consumption condition of the liquid working medium;
the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3 serve as a primary heat sink and a secondary heat sink of the fluid loop 21; the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3 are positioned in the water supply branches which are mutually connected in parallel through the first branch pipeline 10 and the second branch pipeline 11, and can be connected in series through the fluid loop 21 when in use, thereby being capable of being mutually used as a backup and being used as a primary heat sink and a secondary heat sink of the fluid loop 21;
a plurality of temperature measuring elements are installed in the fluid circuit 21; as shown in the configuration of FIG. 1, there are 3 temperature sensing elements disposed in the fluid circuit 21, including a first temperature sensing element 25, a second temperature sensing element 26, and a third temperature sensing element 27, wherein: the first temperature measuring element 25 is arranged at the inlet end of the fluid loop 21; the second temperature measuring element 26 is arranged in the fluid loop 21 between the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3; the third temperature measuring element 27 is installed at the outlet end of the fluid loop 21; the water sublimation heat dissipation system evaluates the operation performance of the system through temperature data acquired by temperature measuring elements arranged in the fluid loop 21, and controls the system to operate through the control assembly 28 according to the temperature data of each temperature measuring element;
as shown in fig. 2, according to the monitoring signals of the first pressure monitoring assembly 15, the second pressure monitoring assembly 18 and the temperature measuring element, the control assembly 28 controls the first flow control assembly 12, the second flow control assembly 13, the third flow control assembly 14, the fourth flow control assembly 17, the first pressure regulating assembly 16 and the second pressure regulating assembly 19 according to corresponding strategies, so that the heat dissipation system operates in different modes to achieve a specific heat dissipation target.
The water sublimation heat dissipation system for the lunar high-temperature environment is characterized in that a first circulation control assembly 12 and a second circulation control assembly 13 which are backup to each other are arranged in a main pipeline 9, a first branch pipeline 10 and a second branch pipeline 11 which are communicated with the main pipeline 9 and connected in parallel are arranged, and water sublimation heat exchange devices are provided with sublimation cold plates 23 which are connected in parallel, so that the two-stage parallel connection of water supply links is realized; meanwhile, the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3 are arranged in parallel, but the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3 are connected in series through the fluid loop 21, so that the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3 respectively form a first-stage heat sink and a second-stage heat sink which are connected in series, double reconstruction of a water supply link structure topology and a heat sink combination energy topology is realized, the function of a water sublimation heat dissipation system in a lunar high-temperature environment is realized, and the reliability and the robustness of the system are enhanced; the combination mode of the water supply branch and the heat sink module is convenient for system modular development, assembly and application, and the maintainability of the aerospace product is enhanced; based on the topology reconstruction structure, diversified application modes and control strategies are convenient to adopt so as to meet different heat dissipation requirements during the lunar work period; the water sublimation heat dissipation system with the structure can ensure the long-term stable operation of water sublimation heat dissipation on the lunar surface, the high-temperature starting and the adaptability of a gravity environment, and solves the technical problem that a radiation heat dissipation channel of a lunar unmanned sampling return detector is insufficient during the working period of the lunar surface.
The water sublimation heat dissipation system is used in a lunar high-temperature environment, the temperature range can be 80-120 ℃, certain gravity-independent characteristics are achieved, the water working medium utilization rate can reach 100%, and the temperature of the water working medium in the fluid loop 21 and the working medium storage device 1 can adapt to the change of 5-55 ℃ during starting.
When the water sublimation heat dissipation system works, the first circulation control assembly 12 and/or the second circulation control assembly 13 in the main pipeline 9, the third circulation control assembly 14 in the first branch pipeline 10 and the fourth circulation control assembly 17 in the second branch pipeline 11 are/is opened, the liquid working medium stored in the liquid storage cavity 6 of the working medium storage device 1 is discharged under the high-pressure action of the gas in the gas storage cavity 5 of the working medium storage device 1, the liquid working medium meeting a certain pressure requirement is output after passing through the pressure regulating assemblies of the two branch pipelines, and finally the liquid working medium is conveyed to the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3 to complete phase change and is discharged into the space along with the transformation of the evaporated/sublimated liquid working medium, so that the heat collected by the fluid loop 21 is dissipated. The working medium storage device 1 can effectively discharge liquid working medium within the range of 60 kPa-350 kPa, and the discharge efficiency is superior to 98%.
In order to enhance the risk resistance of the water sublimation heat dissipation system to the redundant materials, the main pipeline 9 is provided with large pollutant receiving capacityOutside the fluid filtering device 22, the first flow control assembly 12, the second flow control assembly 13, the first pressure regulating assembly 16 and the second pressure regulating assembly 19 can be equipped with filtering elements to realize multiple protections, and meanwhile, the risk that each assembly is influenced by redundancy in the single-machine test process is reduced; the vacuum feedback type pressure regulating assembly has the function of regulating the output pressure according to the back pressure of the environment, and can realize high vacuum (1.0 multiplied by 10) on the moon surface-7Pa) the output pressure of the working medium can be stably regulated in the ranges of 11 kPa-14 kPa and 14 kPa-27 kPa; the power of the pressure monitoring assembly is less than 300mW, the instantaneous power of the flow control assembly is less than 60W, and the response time is less than 80 ms.
The temperature measuring element is used for detecting and evaluating the heat dissipation capacity of the first sublimation heat exchange device 2 and the second sublimation heat exchange device 3, and simultaneously controls the operation mode of the water sublimation heat dissipation system through the control component 28 based on the temperature feedback of the first temperature measuring element 25 and the corresponding control strategy.
According to different temperature levels and temperature control targets (T)l,Th) Different control strategies are set, and the system runs under different working modes by matching with the on-off of the circulation control components of the main pipeline 9 and each branch pipeline. In the temperature control operation mode, when the temperature of the temperature control reference point of the system is higher than ThWhen the temperature of the temperature control reference point is lower than T, a control strategy is executed, the water sublimation heat dissipation system is started, and when the temperature of the temperature control reference point is lower than TlWhen the water is heated, executing a control strategy and stopping the operation of the water sublimation heat dissipation system; in the open-loop operation mode, a temperature control target (T) is set during operation of the water sublimation heat dissipation systeml,Th) To enable disabling. According to the system configuration and the heat dissipation requirements of different on-orbit task stages, six working modes and corresponding control strategies in the following table 1 can be set.
TABLE 1 operating mode of lunar surface high-temperature water sublimation heat dissipation system
It should be noted that the water sublimation heat dissipation system provided with two branches, two sublimation heat exchange devices and three temperature measurement elements is only one specific application example of the invention, and in actual use, the water sublimation heat dissipation system can be expanded according to actual requirements.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A water sublimation heat dissipation system for a lunar high-temperature environment is characterized by comprising a working medium storage device, a working medium filling assembly, a first sublimation heat exchange device, a second sublimation heat exchange device and a control assembly;
the working medium storage device is internally divided by a diaphragm to form an air storage cavity and a liquid storage cavity, the air storage cavity is used for storing gas working medium, and the liquid storage cavity is used for storing liquid working medium;
the working medium filling assembly comprises a gas working medium filling assembly for filling gas working medium into the gas storage cavity and a liquid working medium filling assembly for filling liquid working medium into the liquid storage cavity, and the gas working medium filling pressure in the gas storage cavity is used for controlling the discharge of the liquid working medium in the liquid storage cavity;
the first sublimation heat exchange device and the second sublimation heat exchange device are arranged in parallel, the first sublimation heat exchange device is communicated with the liquid storage cavity through a main pipeline and a first branch pipeline, and the second sublimation heat exchange device is communicated with the liquid storage cavity through the main pipeline and a second branch pipeline;
a first circulation control assembly and a second circulation control assembly which are arranged in parallel are arranged in the main pipeline;
a third flow control assembly for controlling the flow of the liquid working medium, a first pressure monitoring assembly for monitoring the flow pressure of the liquid working medium in real time and a first pressure adjusting assembly for adjusting the pressure of the liquid working medium are arranged in the first branch pipeline;
a fourth circulation control assembly for controlling the flow of the liquid working medium, a second pressure monitoring assembly for monitoring the flowing pressure of the liquid working medium in real time and a second pressure adjusting assembly for adjusting the pressure of the liquid working medium are arranged in the second branch pipeline;
the air storage cavity is also provided with a third pressure monitoring assembly for pressure detection;
the first sublimation heat exchange device and the second sublimation heat exchange device are used as a primary heat sink and a secondary heat sink of the fluid loop;
a plurality of temperature measuring elements are arranged in the fluid loop;
according to detection signals of the first pressure monitoring assembly, the second pressure monitoring assembly and the temperature measuring element, the control assembly controls the first flow control assembly, the second flow control assembly, the third flow control assembly, the fourth flow control assembly, the first pressure regulating assembly and the second pressure regulating assembly.
2. The system for dissipating heat of sublimation from water as claimed in claim 1, wherein a filter device is further installed in the main conduit.
3. The water sublimation heat dissipation system of claim 1, wherein the first pressure regulating assembly and the second pressure regulating assembly are vacuum feedback pressure regulating assemblies.
4. The system for dissipating heat of sublimation from water of claim 1, wherein the gaseous working fluid is an inert gas.
5. The system for dissipating heat of sublimation from water of claim 4, wherein the gaseous working fluid is nitrogen.
6. The system for dissipating heat from water sublimation according to any one of claims 1 to 5, wherein the first sublimation heat exchange device and the second sublimation heat exchange device each comprise sublimation cold plates connected in parallel and heat exchange cold plates located between the sublimation cold plates;
the sublimation cold plate and the heat exchange cold plate are coupled through a heat transfer interface;
the heat exchange cold plates are connected in series through the fluid loop.
7. The water sublimation heat dissipation system of claim 6, wherein the plurality of temperature sensing elements includes a first temperature sensing element, a second temperature sensing element, and a third temperature sensing element, wherein:
the first temperature measuring element is arranged at the inlet end of the fluid loop;
the second temperature measuring element is arranged in the fluid loop between the first sublimation heat exchange device and the second sublimation heat exchange device;
the third temperature measuring element is arranged at the outlet end of the fluid loop.
8. The water sublimation heat dissipation system as defined in any one of claims 1-5, wherein the pressure of the gaseous working medium in the gas storage chamber is 60kPa to 350 kPa.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5644920A (en) * | 1995-09-25 | 1997-07-08 | Rockwell International Corporation | Liquid propellant densification |
| CN103231815A (en) * | 2013-04-27 | 2013-08-07 | 北京空间飞行器总体设计部 | System and method for automatically filling working medium for water sublimator |
| CN104803011A (en) * | 2015-05-12 | 2015-07-29 | 东南大学 | Lunar vehicle temperature control system |
| CN106275492A (en) * | 2015-05-29 | 2017-01-04 | 北京卫星环境工程研究所 | Spacecraft thermal vacuum test distillation water collecting device |
-
2021
- 2021-02-25 CN CN202110212605.7A patent/CN112937927B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5644920A (en) * | 1995-09-25 | 1997-07-08 | Rockwell International Corporation | Liquid propellant densification |
| CN103231815A (en) * | 2013-04-27 | 2013-08-07 | 北京空间飞行器总体设计部 | System and method for automatically filling working medium for water sublimator |
| CN104803011A (en) * | 2015-05-12 | 2015-07-29 | 东南大学 | Lunar vehicle temperature control system |
| CN106275492A (en) * | 2015-05-29 | 2017-01-04 | 北京卫星环境工程研究所 | Spacecraft thermal vacuum test distillation water collecting device |
Non-Patent Citations (1)
| Title |
|---|
| 水升华器空间应用研究;王玉莹等;《航天器工程》;20130630;第22卷(第3期);第105-112页 * |
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