CN203258899U - Fused salt heat storage and heat exchange system for solar thermal power generation - Google Patents
Fused salt heat storage and heat exchange system for solar thermal power generation Download PDFInfo
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- CN203258899U CN203258899U CN2013202466331U CN201320246633U CN203258899U CN 203258899 U CN203258899 U CN 203258899U CN 2013202466331 U CN2013202466331 U CN 2013202466331U CN 201320246633 U CN201320246633 U CN 201320246633U CN 203258899 U CN203258899 U CN 203258899U
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- fused salt
- heat
- exchange system
- storage tank
- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model discloses a fused salt heat storage and heat exchange system for solar thermal power generation. The fused salt heat storage and heat exchange system comprises a fused salt heat storage system and a fused salt heat exchange system. The fused salt heat storage system comprises a low-temperature storage tank and a high-temperature storage tank, wherein a low-temperature fused salt pump for adjusting the flow of fused salt entering a solar heater is arranged on a bottom pipeline of the low-temperature storage tank, a high-temperature fused salt pump for adjusting the flow of fused salt entering a heat exchange system is positioned at the bottom of the high-temperature storage tank, the low-temperature fused salt pump and the high-temperature fused salt pump are installed in a horizontal tank bottom mode, the installation positions of the low-temperature fused salt pump and the high-temperature fused salt pump are lower than the ground level, and equipment of the fused salt heat exchange system is of a snake-shaped heat exchange structure. The fused salt heat storage and heat exchange system removes a high-cost long-shaft submerged pump, economically saves large cost, reduces thermal stress limit, quickens starting speed and is suitable for meeting requirements for frequent startup and shutdown and varying-load operation of solar thermal power generation station machine set. Steam generation equipment uses an external steam packet structure, is small in carried moisture and is high in steam quality.
Description
Technical field
The utility model relates to a kind of fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating, is applicable to tower type solar energy thermal power generation, belongs to the solar energy thermal-power-generating technical field.
Background technology
Adopt fused salt as conduct heat and the solar heat power generation system of heat accumulation working medium as an important technology that large-scale develops and utilizes solar energy, because its running temperature height, efficient is high, cost is lower and more and more receive the concern of various countries.For solar heat power generation system, early stage technology generally adopts conduction oil, water vapour or air etc. as heat-transfer working medium, but water vapour and air at high temperature exist heat transfer coefficient low, system pressure is high, the shortcomings such as the conduction oil maximum operation (service) temperature is restricted, the reliability that this has reduced system to a great extent, the investment that has improved system.Simultaneously, utilize for solar energy, because fluctuation and the intermittence of solar radiation make to there is uncontrollable and discontinuous technological deficiency, for overcoming this defective, also become more and more important for the research and development of the extensive heat-storage technology of low cost.
At present, both at home and abroad the heat-storage medium that adopts of solar energy thermal-power-generating station to mainly include fused salt, conduction oil, water vapour, concrete etc. several.1., the fused salt side group originally belongs to the with no pressure operation, the parts wall thickness is thinner wherein, for fused salt, owing to himself possess following advantage:; 2., without phase transformation, thermal capacitance is large, bears the higher thermal current density; 3., fluid properties is higher, improves efficiency of plant; 4., system's heat transfer, heat accumulation can share same working medium, simplification system etc.; Therefore, it is widely used in the solar energy thermal-power-generating field.
For fused salt heat accumulation and heat-exchange system, at present what adopt is the double-pot type heat accumulation more, and tank top is furnished with long shaft submerged pump, and heat-exchange system is across on the high-altitude steel structure platform between storage tank, and evaporimeter is " the U-shaped tube-plate of autoclave " structure etc.List with regard to system itself, technology is very ripe, and has accumulated abundant operating experience, but still has subproblem, such as the prolongation along with the heat accumulation time, flask volume must increase, and is satisfying under the prerequisite of its appropriate design, and the storage tank degree of depth can increase thereupon, so the processing and manufacturing difficulty of pump increases, its unit price is inevitable significantly to rise, and such as requirement the more, initial outlay is larger; Secondly, heat transmission equipment adopts thicker tube plate structure, and the Stress Limitation that is heated is larger, can't adapt to preferably frequent start-stop and the load variations requirement of solar power station.
The utility model content
The purpose of this utility model is: a kind of fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating is provided, it is high to solve existing fused salt heat accumulation and heat-exchange system manufacturing cost, the Stress Limitation that is heated is large, can't adapt to preferably the solar power plant and use the upper technical problem that requires, thereby can effectively solve above-mentioned problems of the prior art.
The utility model purpose realizes by following technical proposals: a kind of fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating, comprise the fused salt heat reservoir, fused salt heat exchange system, fused salt discharging recovery system, and the solar heater that links to each other with the fused salt heat reservoir, described fused salt heat reservoir adopts the double-pot type arrangement, it comprises for the low-temperature storage tank that stores low-temperature molten salt with for the high temperature storage tank that stores high-temperature molten salt, bottom pipe at low-temperature storage tank is provided with the low-temperature molten salt pump that enters the solar heater flow rate of molten salt for adjusting, is provided with the high-temperature melting salt pump that enters the heat-exchange system flow rate of molten salt for adjusting in the bottom of high temperature storage tank; Low-temperature molten salt pump and high-temperature melting salt pump all adopt horizontal installation at the bottom of the tank, and its installation site is lower than ground level; The equipment of fused salt heat exchange system adopts the snakelike heat exchange tube structure, and the steam generating equipment in the fused salt heat exchange system adopts the structural shape of external drum.
As preferably, the bottom of low-temperature storage tank is by low-temperature molten salt conveyance conduit access solar heater, and the high-temperature molten salt after solar heater will heat up is sent into the fused salt distribution header in the high temperature storage tank behind the high-temperature molten salt conveyance conduit; High temperature storage tank fused salt is sent into respectively reheater and superheater behind high-temperature melting salt pump, superheater successively with steam generating equipment with converge with the outlet of reheater again after preheater links to each other, after converging by heat exchanger exit connecting pipe access low-temperature storage tank.
As preferably, described superheater, steam generating equipment and preheater three series connection, in parallel with reheater.
As preferably, steam generating equipment comprises drum, evaporimeter, carbonated drink increase in pipeline and Separation of Water decline pipeline, and described evaporimeter links to each other with drum by the carbonated drink increase in pipeline, is provided with secondary vapour in the drum from separator.
As preferably, the bottom of fused salt discharging recovery system is provided with blowdown vessel, and blowdown vessel places below the ground level, and preheater, steam generating equipment and superheater all link to each other with blowdown vessel by discharging connecting pipe.
As preferably, the blowdown vessel middle and upper part is provided with the fused salt submerged pump, and the fused salt submerged pump accesses the low-temperature molten salt storage tank behind recovery channel and heat-exchange system outlet connecting pipe road.
As preferably, be provided with safety valve at low-temperature storage tank and high temperature storage tank.
Compared with prior art, the beneficial effects of the utility model: the utility model is used for fused salt heat accumulation and the heat-exchange system of solar energy thermal-power-generating, and optimized integral structure possesses following advantage:
1. horizontal installation at the bottom of the pump for liquid salts employing tank has avoided adopting expensive long shaft submerged pump;
2. fused salt heat exchange system is arranged on the spot, has avoided building of supporting steel frame and platform, has both saved economically larger cost, is convenient to again installation, the operation and maintenance of system, has larger Practical significance and promotional value;
3. replace existing " U-shaped tube-plate structure " heat exchanger with " coiled pipe structure " heat exchanger, reduced the thermal stress restriction, accelerated toggle speed, be more suitable for frequent start-stop and variable load operation demand in solar energy thermal-power-generating station unit;
4. steam generating equipment adopts external structure of boiler barrel, carries moisture content than the autoclave structure and will lack, and steam quality is higher.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of steam generating equipment among the utility model Fig. 1;
Fig. 3 is the side structure schematic diagram of Fig. 2.
Among the figure: low-temperature storage tank-1, high temperature storage tank-2, preheater-3, steam generating equipment-4, superheater-5, reheater-6, blowdown vessel-7, low-temperature molten salt pump-8, high-temperature melting salt pump-9, electric heater-10, fused salt distributes header-11, fused salt submerged pump-12, low-temperature molten salt conveyance conduit-13, high-temperature molten salt conveyance conduit-14, fused salt connecting pipe-15, heat exchanger exit connecting pipe-16, discharging connecting pipe-17, recovery channel-18, nitrogen blanketing valve road-19, safety valve-20, drum-41, evaporimeter-42, carbonated drink increase in pipeline-43, Separation of Water decline pipeline-44.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Disclosed all features in this specification, or the step in disclosed all methods or the process, except the speciality and/or step of mutual repulsion, all can make up by any way, unless special narration all can be replaced by other equivalences or the alternative features with similar purpose, namely, unless special narration, an embodiment in a series of equivalences of each feature or the similar characteristics.
Embodiment 1
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating, comprise fused salt heat reservoir, fused salt heat exchange system and fused salt discharging recovery system, and the solar heater that links to each other with fused salt heat exchange system with the fused salt heat reservoir, concrete structure is as follows:
Described fused salt heat reservoir adopts the double-pot type arrangement, it comprises for the low-temperature storage tank 1 that stores low-temperature molten salt with for the high temperature storage tank 2 that stores high-temperature molten salt, low-temperature storage tank 1 is used for stocking system initial start stage or the low-temperature molten salt of run duration after the heat-exchange system heat release, and high temperature storage tank 2 is used for storing the high-temperature molten salt behind the solar heater heat temperature raising; Because fused salt has hygroscopicity, for preventing moisture in the fused salt absorbed air, is provided with the nitrogen blanketing valve road 19 that is connected with blowdown vessel 7 at low-temperature storage tank 1 and high temperature storage tank 2, in order to secluding air.In addition, also be provided with safety valve 20 on low-temperature storage tank 1 and high temperature storage tank 2, described safety valve 20 and relevant necessary instrument instrument etc. can play to whole storage tank the effect of security control.Be provided with the low-temperature molten salt pump 8 that enters the solar heater flow rate of molten salt for adjusting in the bottom of low-temperature storage tank 1, be provided with the high-temperature melting salt pump 9 that enters the heat-exchange system flow rate of molten salt for adjusting in the bottom of high temperature storage tank 2; Low-temperature molten salt pump 8 and high-temperature melting salt pump 9 all adopt horizontal installation at the bottom of the tank, pump for liquid salts adopts horizontal installation at the bottom of the tank but not the vertical mounting means of tank deck, avoided adopting expensive long shaft submerged pump, secondly, the installation of fused salt heat exchange system is adopted on the spot and is arranged, namely be arranged on the level ground, avoided building of supporting steel frame and platform, the installation of the system that when saving cost, is more convenient for, operation and maintenance etc., the installation site of pump for liquid salts is lower than elevation of water, main purpose is to avoid it that cavitation occurs for the inlet pressure that makes pump greater than the necessary NPSH (NPSHr) of pump, thereby guarantees the normal operation of pump, secondly also can reduce the minimum safe work liquid level in the storage tank, make fused salt obtain maximum using, the concrete setting height(from bottom) of pump for liquid salts is determined according to the type selecting of pump.In addition, for large-scale fused salt storage tank, be typically designed to normal pressure or pressurized operation.
The equipment of fused salt heat exchange system adopts the snakelike heat exchange tube structure, relatively U-shaped tube-plate structure, owing to cancelled the larger tube sheet of thickness, suffered thermal stress restriction is less, toggle speed is faster, is more suitable for frequent start-stop and variable load operation demand in solar energy thermal-power-generating station unit.
The bottom of low-temperature storage tank 1 is by low-temperature molten salt conveyance conduit 13 access solar heaters, and the fused salt that the high-temperature molten salt after solar heater will heat up accesses behind high-temperature molten salt conveyance conduit 14 in the high temperature storage tank 2 distributes header 11; The fused salt of high temperature storage tank 2 is sent into respectively reheater 6 and superheater 5 behind high-temperature melting salt pump 9, the outlet that superheater 5 rears are accessed behind steam generating equipment 4 and the preheater 3 more successively with reheater 6 converges, after converging by heat exchanger exit connecting pipe 16 access low-temperature storage tanks 1.Wherein said steam generating equipment 4 adopts external structure of boiler barrel; Steam generating equipment 4 comprises drum 41, evaporimeter 42, carbonated drink increase in pipeline 43 and Separation of Water decline pipeline 44, described evaporimeter 42 links to each other with drum 41 by carbonated drink increase in pipeline 43, be provided with secondary vapour in the drum 41 from separator, the saturated vapor of its generation carries moisture than the autoclave evaporimeter and will lack, and quality is higher; After described superheater 5, steam generating equipment 4 and the preheater 3 threes series connection, in parallel with reheater 6.In fused salt heat exchange system, fused salt and water/steam carry out countercurrent flow, water/Steam Heating are become the superheated steam of high parameter.
Being provided with in the bottom of low-temperature storage tank 1 and high temperature storage tank 2 can be to the electric heater 10 of its heating.
Fused salt when the fused salt discharging when fused salt discharging recovery system is mainly used in systematic failures and stoppage in transit in the pipe-line system reclaims.The bottom of fused salt discharging recovery system is provided with blowdown vessel 7, and blowdown vessel 7 places below the ground level, and preheater 3, steam generating equipment 4 and superheater 5 all link to each other with blowdown vessel 7 by discharging connecting pipe 17.Blowdown vessel 7 tops are provided with fused salt submerged pump 12, and fused salt submerged pump 12 accesses low-temperature molten salt storage tank 1 behind recovery channel 18 and heat-exchange system outlet connecting pipe road 16.
In addition, fused salt heat exchanging equipment all adopts fused salt to walk shell-side, and water under high pressure/steam walks to manage the arrangement of side, can go up the attenuate shell wall largely thus, saves cost, the fused salt discharging when also being beneficial to systematic failures simultaneously.
Operation principle of the present utility model and implementation procedure are as follows:
1. the fused salt heat reservoir adopts the double-pot type arrangement, and wherein low-temperature storage tank is used for storing low-temperature molten salt, and the high temperature storage tank is used for storing high-temperature molten salt.When system moves, low-temperature molten salt is extracted out by the low-temperature molten salt pump that is positioned at the low-temperature storage tank bottom, send into solar heater through the fused salt conveyance conduit and carry out heat temperature raising, after becoming high-temperature molten salt, distribute header to inject the high temperature storage tank via conveyance conduit and fused salt again, thereby realize the thermmal storage process of fused salt.According to intensity of solar radiation, the large I of flow rate of molten salt that enters solar heater is carried out variable frequency adjustment by the low-temperature molten salt pump.
2. low-temperature storage tank and high temperature storage tank are provided with electric heater near the bottom; quantity can be single or multiple; when solar radiation is low cause system can't normally move for a long time or down period between; condense for avoiding in the storage tank fused salt cooling; open electric heater it is heated, temperature of molten salt is not less than its adiabatic condensation temperature in the tank to keep.
3. low-temperature storage tank and high temperature storage tank are provided with nitrogen pipeline, are mainly used in secluding air, prevent the moisture in the high-temperature molten salt absorbed air.
4. horizontal installation at the bottom of the pump for liquid salts employing tank is cavitated for avoiding it, and the pump for liquid salts installation site is lower than elevation of water, and concrete setting height(from bottom) is determined according to the necessary NPSH (NPSHr) of pump.
5. system schema is provided with fused salt discharging recovery system, and the fused salt when the fused salt discharging when being mainly used in systematic failures and stoppage in transit in the pipe-line system reclaims.Wherein, blowdown vessel is arranged in the position, the end of system, below the horizontal plane.Each fused salt equipment is coupled by the discharging connecting pipe; When being filled with fused salt in the blowdown vessel, by the fused salt submerged pump it being extracted out, and through recovery channel and heat-exchange system outlet connecting pipe road, finally send in the low-temperature molten salt storage tank to recycle.
6. for fused salt heat exchange system, superheater, steam generating equipment and preheater three series operation, whole in parallel with reheater;
7. when heat-exchange system moves, high-temperature molten salt is extracted out by high-temperature melting salt pump, send into respectively in reheater and the superheater, the fused salt of wherein sending in the superheater is realized converging with the fused salt of reheater outlet after flowing through successively steam generating equipment and preheater, and send in the low-temperature storage tank via the heat exchanger exit connecting pipe, thereby realize the heat exchange exothermic process of fused salt.
8. owing to horizontal installation at the bottom of the tank of pump for liquid salts, fused salt heat exchange system adopts on the spot and arranges, namely saves cost again convenient installation, operation and maintenance.
9. fused salt heat exchanging equipment all adopts fused salt to walk shell-side, and water under high pressure/steam walks to manage the arrangement of side, and wherein fused salt and water/steam carry out countercurrent flow, water/Steam Heating is become the superheated steam of high parameter.
10. fused salt heat exchanging equipment all adopts the coil heat exchanger structure, and toggle speed is faster, is more suitable for frequent start-stop and variable load operation demand in solar energy thermal-power-generating station unit.
11. steam generating equipment adopts external structure of boiler barrel, device of working medium carries out heat exchange with high-temperature molten salt in changing evaporimeter, and the saturated vapor of generation is sent into via the carbonated drink increase in pipeline and carried out in the drum carbonated drink separation, is provided with secondary vapour in the drum from separator; The isolated qualified steam of drum send in the superheater continue overheated, the moisture of separating then mixes with the feedwater that preheater is come, reenter via the decline pipeline and to carry out heat exchange in the evaporimeter, in steam generating equipment, form thus the carbonated drink Natural Circulation.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. fused salt heat accumulation and heat-exchange system that is used for solar energy thermal-power-generating, comprise the fused salt heat reservoir, fused salt heat exchange system, fused salt discharging recovery system, and the solar heater that links to each other with the fused salt heat reservoir, described fused salt heat reservoir adopts the double-pot type arrangement, it comprises for the low-temperature storage tank (1) that stores low-temperature molten salt with for the high temperature storage tank (2) that stores high-temperature molten salt, bottom pipe at low-temperature storage tank (1) is provided with the low-temperature molten salt pump (8) that enters the solar heater flow rate of molten salt for adjusting, is provided with the high-temperature melting salt pump (9) that enters the heat-exchange system flow rate of molten salt for adjusting in the bottom of high temperature storage tank (2); It is characterized in that: low-temperature molten salt pump (8) and high-temperature melting salt pump (9) all adopt horizontal installation at the bottom of the tank, and its installation site is lower than ground level; The equipment of fused salt heat exchange system adopts the snakelike heat exchange tube structure, and the steam generating equipment (4) in the fused salt heat exchange system adopts the structural shape of external drum.
2. fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating as claimed in claim 1, it is characterized in that: the bottom of low-temperature storage tank (1) is by low-temperature molten salt conveyance conduit (13) access solar heater, and the fused salt that the high-temperature molten salt after solar heater will heat up is sent into behind high-temperature molten salt conveyance conduit (14) in the high temperature storage tank (2) distributes header (11); High temperature storage tank (2) fused salt is sent into respectively reheater (6) and superheater (5) behind high-temperature melting salt pump (9), superheater (5) successively with steam generating equipment (4) with converge with the outlet of reheater (6) again after preheater (3) links to each other, after converging by heat exchanger exit connecting pipe (16) access low-temperature storage tank (1).
3. fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating as claimed in claim 2 is characterized in that: described superheater (5), steam generating equipment (4) and preheater (3) three series connection, and in parallel with reheater (6).
4. fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating as claimed in claim 1, it is characterized in that: steam generating equipment (4) comprises drum (41), evaporimeter (42), carbonated drink increase in pipeline (43) and Separation of Water decline pipeline (44), described evaporimeter (42) links to each other with drum (41) by carbonated drink increase in pipeline (43), is provided with secondary vapour from separator in the drum (41).
5. fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating as claimed in claim 1, it is characterized in that: the bottom of fused salt discharging recovery system is provided with blowdown vessel (7), blowdown vessel (7) places below the ground level, and preheater (3), steam generating equipment (4) and superheater (5) all link to each other with blowdown vessel (7) by discharging connecting pipe (17).
6. fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating as claimed in claim 5, it is characterized in that: blowdown vessel (7) middle and upper part is provided with fused salt submerged pump (12), and fused salt submerged pump (12) accesses low-temperature molten salt storage tank (1) behind recovery channel (18) and heat-exchange system outlet connecting pipe road (16).
7. fused salt heat accumulation and heat-exchange system for solar energy thermal-power-generating as claimed in claim 1 is characterized in that: be provided with safety valve (20) at low-temperature storage tank (1) and high temperature storage tank (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202466331U CN203258899U (en) | 2013-05-09 | 2013-05-09 | Fused salt heat storage and heat exchange system for solar thermal power generation |
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| CN2013202466331U CN203258899U (en) | 2013-05-09 | 2013-05-09 | Fused salt heat storage and heat exchange system for solar thermal power generation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292485A (en) * | 2013-05-09 | 2013-09-11 | 东方电气集团东方锅炉股份有限公司 | Fused salt heat storage and exchange system for solar thermal power generation |
| CN104266356A (en) * | 2014-05-23 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method |
| CN108120022A (en) * | 2018-01-17 | 2018-06-05 | 东方电气集团东方锅炉股份有限公司 | The heating unit and heating means of fused salt in a kind of heat reservoir |
| CN115871957A (en) * | 2023-01-30 | 2023-03-31 | 中国科学院力学研究所 | Simulated jet propulsion device and simulated jet propulsion method based on thermal fluid temperature increase |
-
2013
- 2013-05-09 CN CN2013202466331U patent/CN203258899U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292485A (en) * | 2013-05-09 | 2013-09-11 | 东方电气集团东方锅炉股份有限公司 | Fused salt heat storage and exchange system for solar thermal power generation |
| CN104266356A (en) * | 2014-05-23 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Molten salt heat transfer and storage trough electricity hot water boiler and hot water preparation method |
| CN108120022A (en) * | 2018-01-17 | 2018-06-05 | 东方电气集团东方锅炉股份有限公司 | The heating unit and heating means of fused salt in a kind of heat reservoir |
| CN108120022B (en) * | 2018-01-17 | 2023-06-02 | 东方电气集团东方锅炉股份有限公司 | Molten salt heating device and method in heat storage system |
| CN115871957A (en) * | 2023-01-30 | 2023-03-31 | 中国科学院力学研究所 | Simulated jet propulsion device and simulated jet propulsion method based on thermal fluid temperature increase |
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