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Antares, Osp-3 user’s guide, Appendix a – payload questionnaire – Orbital Antares User Manual

Page 92

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Antares

®

OSP-3

User’s Guide

Appendix A

– Payload Questionnaire

Release 1.1

July 2013

A-6

ASCENT TRAJECTORY REQUIREMENTS

Free Molecular Heating at Fairing Separation:

FMH =

 W/m

2

 Btu/ft

2

/hr

Fairing Internal Wall Temperature

T =

 deg C

 deg F

Dynamic Pressure at Fairing Separation:

q =  N/m

2

 lb

f

/ft

2

Ambient Pressure at Fairing Separation:

P =  N/m

2

 lb

f

/in

2

Maximum Pressure Decay During Ascent:

Δ P =  N/m

2

/sec  lb

f

/in

2

/sec

Thermal Maneuvers During Coast Periods:

SPACECRAFT ENVIRONMENTS

THERMAL

DISSIPATION

Spacecraft Thermal Dissipation, Pre-Launch Encapsulated:

Watts


Approximate Location of Heat Source:

TEMPERATURE Temperature Limits During

Max  deg F  deg C

Ground/Launch Operations:

Min  deg F  deg C

Component(s) Driving Temperature Constraint:

Approximate Location(s):

HUMIDITY Relative Humidity:

or,

Dew Point:

Max %

Max  deg F  deg C

Min %

Min  deg F  deg C

GAS PURGE Specify Any Gas Purge Requirements (e.g.; Nitrogen), Including Component Description,

Location, and Required Flow Rate:


(Nitrogen Purge is a Non-Standard Service)

CLEANLINESS

Volumetric Requirements (e.g. Class 100,000):

Surface Cleanliness (e.g. Visually Clean):

Other:

LOAD LIMITS Ground Transportation Load Limits:

Axial =

g’s

Lateral =

g’s