TABLE G.1 Examples of Possible Amounts and Composition of Mars Surface Mission Propellant Exhaust Products

Missions >

Phoenix

MSL

MSR Lander

MSR MAV

Mars Airplane

Ascent Stage for Humans

Propellants >

N2H4

N2H4

N2H4/N2O4

NH4ClO/Al/HTPB

MMH/N2O4

CH4/O2

Typical >

Propellant >

Masses (kg) >

35

250

250

160

40

30000

Exhaust Products (kg)

H

 

 

 

0

 

2

H2

2

17

7

3

1

122

HO

 

 

 

0

 

26

H2O

 

 

90

15

9

13533

O

 

 

 

 

 

0

O2

 

 

 

 

 

5

N2

21

152

153

14

17

 

NH3

11

81

0

 

 

 

CO

 

 

 

31

3

2762

CO2

 

 

 

7

10

13551

Cl

 

 

 

0

 

 

ClH

 

 

 

35

 

 

Al2O3

 

 

 

54

 

 

 

SOURCE: Data provided by J. Niehoff and G. Chew of SAIC using the Air Force Chemical Equilibrium Specific Impulse Code, a rocket exhaust products chemical equilibrium code, August 2004.

REFERENCES

Husted, R.R., I.D. Smith, and P.V. Fennessey. 1977. Site Alteration Effects from Rocket Exhaust Impingement During a Simulated Viking Mars Landing. NASA CR-2814. NASA, Washington, D.C., March.


MSFC (Marshall Space Flight Center) Technical Study Team. 1991. Mars Transportation System. Doc. No. 5-130-0-5. MSFC, Huntsville, Ala., March.



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