FIELD: space engineering. SUBSTANCE: proposed method consists in measuring the flow rate of heat-transfer agent in liquid passage. First, flow rate is measured at pressure in gas chamber of volume compensator equal to atmospheric pressure. Measured flow rate is compared with required value. Then, temperature of heat-transfer agent, compensated volume of gas chamber of compensator and difference of levels relative to Earth between pump inlet and compensator liquid chamber are measured. Flow rate of heat-transfer agent at pressure in compensator gas chamber found from relationship is additionally measured afterwards. Relationship is obtained from analysis of operating principle of electric pumping unit. EFFECT: enhanced reliability of test results. 2 dwg
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Authors
Dates
2000-06-27—Published
1998-05-18—Filed