user manual

TABLE 4.3-1
COMMAND MODULE RCS LOADING REQUIREMENTS,
PARAMETERS AND CALCULATIONS
A. Tank Volume @ 0.0 PSIG (in 3)
AI. Liquid Line Volume (in 3)
A2. Total A + A1 (in 3)
B. Initial Weight in Bleed Unit Prior
to Loading (Ib)
C. Final Weight in Bleed Unit After
Loading (ib)
D. Propellant Load by Weigh Tank;
Item B less Item C (ib)
E. Loading Temperature (°F)
F. Specification Load @ 70 Z5°F (Ib)
G. Total CM/RCS Propellant Load from
Item D above or Item P below (ib)
Load Parameters and Calculations
Fuel Oxidizer
Tank A Tank B Tank A Tank B
±0.3 ±0.3
Ullage Calculation
GI. Density (ib/in3); solve the following
equation where T - Temperature in E
above and DF " fuel density; 0 o -
oxidizer density.
OF " 0.0329456 - (0.186979)(I0-4)(T)
Oo - 0.451591(I0-4)(II.8-T)+0.05475906
H. Specification Ullage @ E above;
Maximum
Minimum
I. Tank Stretch Factor (in3/PSl)-
J. Volume of GHE-GSE Line (in 3)
K. Volume of S/C GHE Line (in 3)
L. GSE Line Pressure (PSIG)
M. Bladder Pressure (PSIG)
N. Stabilized Equilibrium Pressure (PSIG)
O. Ullage Volume (in3); solve the following
equation by substituting the values
contained in the above indicated steps.
Ullage Volume ffiJ _ - I (N + M + 14.7) - K
P. Propellant load by P.V. (ib)
4.3-2
SNA-8-D-O27(III)REV 2
11 li U L 1: E L L L U U
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