RU2000127292A - METHOD FOR FILLING HYDRAULIC SYSTEMS OF THERMAL REGULATION OF SPACE INHABITED DEVICES - Google Patents
METHOD FOR FILLING HYDRAULIC SYSTEMS OF THERMAL REGULATION OF SPACE INHABITED DEVICESInfo
- Publication number
- RU2000127292A RU2000127292A RU2000127292/28A RU2000127292A RU2000127292A RU 2000127292 A RU2000127292 A RU 2000127292A RU 2000127292/28 A RU2000127292/28 A RU 2000127292/28A RU 2000127292 A RU2000127292 A RU 2000127292A RU 2000127292 A RU2000127292 A RU 2000127292A
- Authority
- RU
- Russia
- Prior art keywords
- pressure
- coolant
- hydraulic
- filling
- temperature
- Prior art date
Links
- 239000002826 coolant Substances 0.000 claims 8
- 230000003068 static Effects 0.000 claims 3
- 231100000817 safety factor Toxicity 0.000 claims 1
- 230000028016 temperature homeostasis Effects 0.000 claims 1
Claims (1)
где Aк = 2÷5 - "кавитационный" коэффициент запаса;
Pк, мм рт. ст. - давление, при котором начинается кавитация теплоносителя в гидронасосе системы;
Рст, мм рт. ст. - устанавливаемое абсолютное статическое рабочее давление в системе;
Pатм min, мм рт. ст. - абсолютное минимальное давление атмосферы в обитаемом или посещаемом отсеке;
ΔP
ΔPn, мм рт. ст. - величина падения напора гидронасоса до точки входа гидромагистрали в обитаемый или посещаемый отсек;
tср.м Т, oС - измеренная среднемассовая температура теплоносителя, заправленного в систему;
tраб. Т, oС - температура теплоносителя при работе системы в полете;
ΔPt, мм рт. ст. /oС - величина изменения давления в системе на градус изменения температуры теплоносителя ("жесткость" системы).A method of filling hydraulic systems of thermoregulation of spacecraft, including the operation of measuring the hydraulic characteristics of the system, filling its hydraulic line with a coolant and setting the static working pressure, characterized in that the pressure generated by the hydraulic pump of the system at the maximum on-board voltage of the power supply is measured on a hydraulic analog of the filled system pressure drops from the hydraulic pump to the point of entry of the hydraulic line to the inhabited compartment k, in addition, the dependence of the pressure change in the system on the degree of change in the temperature of the coolant and the pressure of the pump cavitation is determined, and then when filling the system of each aircraft after filling the hydraulic line with a coolant, the average mass temperature of the coolant is measured and the static operating pressure in the system is set in accordance with the ratio
where A to = 2 ÷ 5 - "cavitation" safety factor;
P to , mm RT. Art. - pressure at which cavitation of the coolant begins in the hydraulic pump of the system;
R article , mm RT. Art. - set absolute static working pressure in the system;
P atm min , mmHg Art. - absolute minimum atmospheric pressure in the habitable or visited compartment;
ΔP
ΔP n , mmHg Art. - the magnitude of the pressure drop of the hydraulic pump to the point of entry of the hydraulic line into the habitable or visited compartment;
t cf.m T , o С - measured mass-average temperature of the coolant charged into the system;
t slave. Т , o С - coolant temperature during the system operation in flight;
ΔP t , mmHg Art. / o C - the magnitude of the pressure change in the system per degree of change in the temperature of the coolant ("rigidity" of the system).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2000127292A RU2191147C2 (en) | 2000-10-30 | 2000-10-30 | Method of filling hydraulic lines of temperature control systems of manned spacecraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2000127292A RU2191147C2 (en) | 2000-10-30 | 2000-10-30 | Method of filling hydraulic lines of temperature control systems of manned spacecraft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2000127292A true RU2000127292A (en) | 2002-10-10 |
| RU2191147C2 RU2191147C2 (en) | 2002-10-20 |
Family
ID=20241594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2000127292A RU2191147C2 (en) | 2000-10-30 | 2000-10-30 | Method of filling hydraulic lines of temperature control systems of manned spacecraft |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2191147C2 (en) |
-
2000
- 2000-10-30 RU RU2000127292A patent/RU2191147C2/en not_active IP Right Cessation
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