Delta V Study

Mass Fraction Study PRISM v1.1.7
by: C Taylor May 05, 2018
Mass Summary
System: Mass Fraction Study 520.000 lbm Total
NameMass UnitsType
INERT
Payload Weight 100.000lbminert
Propulsion system 210.000lbminert
PROPELLANT
Propellant 210.000lbmpropellant

Design Variables (nominal values)
NameValueUnitsDescription
massFraction 0.5Stage Propellant Mass Fraction
pcentACS 5% ACS Propellant of Total
Wpayload 100lbmPayload Mass (lbm)
WtPropAxial 200lbmBurned Axial Propellant (lbm)
System Sensitivity
Design Variables (nominal values)
NameValueUnitsDescription
Isp 300secEngine Specific Impulse (sec)
massFraction 0.5Stage Propellant Mass Fraction
pcentACS 5% ACS Propellant of Total
Wpayload 100lbmPayload Mass (lbm)
WtPropAxial 200lbmBurned Axial Propellant (lbm)
Result Variables
NameValueUnitsDescriptionConstrainLimit
deltaV 4743.03 ft/secDelta V (ft/sec)>4500
GLOW 520 lbmGross Liftoff Mass (lbm)<600
Itot 59850 lbf-secTotal Impulse (lbf-sec)---
sysMass 520 lbmTotal System Mass (lbm)---
Design Variables (nominal values)
NameValueUnitsDescription
pcentACS 5% ACS Propellant of Total
Wpayload 100lbmPayload Mass (lbm)
WtPropAxial 200lbmBurned Axial Propellant (lbm)
Design Variables (nominal values)
NameValueUnitsDescription
Isp 300secEngine Specific Impulse (sec)
pcentACS 5% ACS Propellant of Total
Wpayload 100lbmPayload Mass (lbm)
Design Variables (nominal values)
NameValueUnitsDescription
Isp 300secEngine Specific Impulse (sec)
pcentACS 5% ACS Propellant of Total
WtPropAxial 200lbmBurned Axial Propellant (lbm)
Design Variables (nominal values)
NameValueUnitsDescription
pcentACS 5% ACS Propellant of Total
Wpayload 100lbmPayload Mass (lbm)
WtPropAxial 200lbmBurned Axial Propellant (lbm)
Design Variable Summary
Design Variables (nominal values)
NameValueUnitsDescription
Isp 300secEngine Specific Impulse (sec)
massFraction 0.5Stage Propellant Mass Fraction
pcentACS 5% ACS Propellant of Total
Wpayload 100lbmPayload Mass (lbm)
WtPropAxial 200lbmBurned Axial Propellant (lbm)
Result Variables
NameValueUnitsDescriptionConstrainLimit
deltaV 4743.03 ft/secDelta V (ft/sec)>4500
GLOW 520 lbmGross Liftoff Mass (lbm)<600
Itot 59850 lbf-secTotal Impulse (lbf-sec)---
sysMass 520 lbmTotal System Mass (lbm)---
Constant Mass: Payload Weight
mass = 100.000 lbm type = inert
Constant Mass: Propulsion system
mass = 210.000 lbm type = inert
Constant Mass: Propellant
mass = 210.000 lbm type = propellant

(PRISM) PaRametrIc System Model
PRISM v1.1.7
contact: C. Taylor, cet@appliedpython.com