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water vapour regained (WVR)

Standard

ECSS-Q-ST-70-02C - Thermal vacuum outgassing test for the screening of space materials (15 November 2008)

Definition

mass of the water vapour regained by the specimen after the optional reconditioning step

Notes

NOTE WVR is calculated from the differences in the specimen mass determined after the test for TML and CVCM and again after exposure to atmospheric conditions and 65 % relative humidity at room temperature (22 ± 3) °C.

Relations

ECSS-Q-ST-70-45C — specimen
ECSS-E-ST-70-32C — step
ECSS-Q-ST-70-02C — WVR

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