Waste Management System ASU - VII D

Purpose:

The ASU-VII D waste management system is designed to collect products of vital functions (excrements and urine) of the Soyuz-type spacecraft crew (consisting of two or three members) and isolate them from the atmosphere of the orbiting space station under the following conditions of the orbital flight:

  • Temperature           25 ± 5⁰С;
  • relative humidity    20%...80;
  • oxygen content       up to 40% by volume;
  • absolute pressure    0.59*105…1.27*105Pa.

Specifications:

1

Waste management system initial mass

no more than 21 kg

2

Usage term for the crew of three (two) members

3 days (within the period of up to 180 days)

3

Useful capacity of liquid wastes collector

at least 10.8 l

4

Quantity of disposable (one-time) inserts (liners) for solid wastes

10

5

Allowable time of storage of the used insert for solid wastes

no more than 40 days

6

System power supply voltage

27V

7

Power consumed by the system fan at the voltage of 27 V

no more than 38 W

8

Rate of air flow through the receiving  funnel at 27V

250 l/min