Water cooling system for low-pressure environment thermal characteristic test of large-sized thermal structure
A cooling system and low-pressure technology, which is applied in the field of water cooling system for large-scale thermal structure low-pressure environment thermal characteristic test, can solve the problems of unsatisfactory reliability, high requirements for cooling water system, large test scale, etc. Comprehensive, improved cooling efficiency and high structural reliability
Active Publication Date: 2018-09-18
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG +1
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Problems solved by technology
The test scale is large, the system is complex, and the requirements for the cooling water system are high
The existing cooling water supply and recovery methods and reliability do not meet the test requirements
Method used
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[0021] refer to Figure 1-2 , the water cooling system for large-scale thermal structure and low-pressure environment thermal characteristics test of the present invention is connected with a circulating water tank 1, a pump unit, a main water inlet pipe 4, a pressure reducing valve 5, a water separator 6, a flow meter 7, a low-pressure The test cabin 9, the return water tank 10, the return water pump 11, the main return water pipe 12, the cooling tower 13, and the supporting connecting pipelines and connectors; wherein, the pump unit includes multiple fixed-frequency pumps 2 and one variable-frequency pump 3; The water distributor 6 divides the water in the main water inlet pipe 4 into several branches, each branch is connected to a flow meter 7, and the flow meter 7 is also connected to the flow monitoring device 8; the water in each branch passes through the water inlet The cabin interface 14 is connected with the inlet and outlet waterway distributor in the low pressure te...
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The invention relates to a water cooling system for a low-pressure environment thermal characteristic test of a large-sized thermal structure. A circulating water tank, a pump unit, a main water inletpipe, a pressure reducing valve, a water distributor, a flowmeter, a low pressure cabin, a waterway distributor unit, a water return box, a water return pump, a main water return pipe and a cooling tower are connected to the water cooling system for the low-pressure environment thermal characteristic test of the large-sized thermal structure in sequence according to a water flow direction; the waterway distributor unit comprises a plurality of water inlet waterway distributors and a plurality of water outlet waterway distributors; the structures of the water inlet waterway distributors and the water outlet waterway distributors are same as each other; the numbers of the water inlet waterway distributors and the water outlet waterway distributors are consistent with each other; the water inlet and outlet directions of the water inlet waterway distributors and the water outlet waterway distributors are different during using; and corresponding cooled equipment is arranged between each water inlet waterway distributor and each corresponding water outlet waterway distributor. The water cooling system for the low-pressure environment thermal characteristic test of the large-sized thermal structure has the advantages that the structural reliability is high, the cooling capability is high, the cooling object is comprehensive, the cooling can be performed for a long time, the expandable and adjustable capacity is realized; and the water cooling system for the low-pressure environment thermal characteristic test of the large-sized thermal structure is suitable for different-scale equipment cooling under different heating conditions.
Description
technical field [0001] The invention relates to a large-scale thermal structure low-pressure environment thermal characteristic test water cooling system. Background technique [0002] During the re-entry process of the aircraft, it will experience a very high aerodynamic thermal load in a low-pressure environment. Due to the gas escape of the porous insulation material in a low-pressure environment, the thermal conductivity will be changed, and the thermal characteristic test under normal pressure cannot be accurate. The verification of anti-heat insulation effect. The complex thermal structure makes it impossible for material-level low-pressure thermal tests to accurately evaluate the thermal insulation performance of large structures. In order to more accurately assess the thermal characteristics of aircraft, it is necessary to conduct thermal characteristic tests of large thermal structures in low-pressure environments. The development of thermal characteristics test te...
Claims
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Login to View More IPC IPC(8): B64F5/60
CPCB64F5/60
Inventor 罗俊清刘永清栾叶君何西波王伟肖乃风何振威田玉坤刘鹏
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG