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WYLE LABORATORIES SCIENTIFIC SERVICES & SYSTEMS GROUP Oncias G3/20 06056 ff< p)Gj-p https://ntrs.nasa.gov/search.jsp?R=19860014167 2019-02-08T09:14:23+00:00Z

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WYLELABORATORIES SCIENTIFIC SERVICES & SYSTEMS GROUP

OnciasG3/20 06056

ff<p)Gj-p

https://ntrs.nasa.gov/search.jsp?R=19860014167 2019-02-08T09:14:23+00:00Z

WYLE LABORATORIES - RESEARCH STAFFTECHNICAL REPORT 66338-01

A DATA-BASE AND ANALYSIS PROGRAMFOR SHUTTLE MAIN ENGINE

DYNAMIC PRESSURE MEASUREMENTSAPPENDIX E

DATA BASE PLOTS FOR SSME TESTS750-112 through 750-118

by

Thomas Coffin

A final report ofwork performed under contract NAS8-34343

for

NATIONAL AERONAUTICS AND SPACE ADMINISTRATIONGEORGE C. MARSHALL SPACE FLIGHT CENTER

MARSHALL SPACE FLIGHT CENTER, ALABAMA 35812

January 1986

FOREWORD

This report describes a dynamic pressure data base and database management system developed to characterize the SpaceShuttle Main Engine (SSME) dynamic pressure environment.The data base represents dynamic pressure measurementsobtained during single engine hot firing tests of the SSME.Software is provided to permit statistical evaluation ofselected measurements under specified operating conditions.An interpolation scheme is also included to estimatespectral trends with SSME power level. This report wasprepared by Wyle Laboratories Scientific Services andSystems Group for the National Aeronautics and SpaceAdministration, George C. Marshall Space Flight Center. Thework was performed under NASA contract NAS 8-34343, entitled"Flow Dynamic Environments in High Performance RocketEngines."

The author wishes to acknowledge the contribution to thisstudy by Dr. G. Meares, Chief Architect of the data basemanagement software described herein. Messrs. B. Dobbs andD. Duck contributed long hours over a digitizer pad toaccomplish data base input. The singular valuedecomposition software for spectrum interpolation wasdeveloped by Dr. J. Jong. Mr. T. Nesman, MSFC technicalcontract monitor, provided continuing support throughinformal project reviews and served as a focal point fordefinition of SSME data requirements.

DATA PLOT LISTING FOR TEST STAND A3 (Continued)

Test

112

Channel Descriptor(Time History or PSD)

THRUSTLPOP DS PR

HPOP BAL CAV PR2HPOP BAL CAV PR1HPOT TURB DR PR

LPFP DS PR

LPOP DS PR

HPOP BAL CAV PR2

MCC HOT GAS IN PR

MaximumFrequency

(Hz)

LPOT TURB DR PR

113

OPB PC PR

HEX OUTLET

THRUSTLPOP DS PR

HPOP BAL CAV PR2HPOP BAL CAV PR1

HPOP DS PRMCC HOT GAS IN PR

PBP DS PRLPOP DS PR

HPOP BAL CAV PR2f

20,000

40,000

5,000

I20,000

20,000

5,000

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280150280

DATA PLOT LISTING FOR TEST STAND A3 (Continued)

MaximumChannel Descriptor Frequency

Test (Time History or PSD) (Hz)

113 HPOP BAL CAV PR2 20,000

f fHPOP DS PR 5,000

120,000

A

MCC HOT GAS IN PR

i

I i

40,000

PBP DS PR 5.000

i

120,000

LPFP DS PR

I 1LPOTTURBDRPR 5,000

I

120,000

I1 ?

OPB PC PR 5,000

1

1T

20,000, iT

MCC LONG ACCEL 1 40,000OPB PC PR DC 5,000

,

I20,000

1f

TimeSlice(Sec)

30150280

3015028030

150280

30150280

3015030

15028030

150280

30150280

30150280

3015028030

150280

30150280280

30150280

30150280

114 THRUSTLPOP DS PR

HPOP BAL CAV PR2

DATA PLOT LISTING FOR TEST STAND A3 (Continued)i

Test

114

Channel Descriptor(Time History or PSD)

HPOP BAL CAV PR1HPOP DS PR

MCC HOT GAS IN PRPBP DS PR

LPOT TURB DR PRLPOP DS PR

HPOP BAL CAV PR2

HPOP DS PR

MCC HOT GAS IN PR

PBP DS PR

LPFP DS PR

LPOT TURB DR PR

MaximumFrequency

(Hz)

20,000

5,000

I20,000

115

OPB PC PR

IHPOP DS PR

THRUSTLPOP DS PR

HPOP BAL CAV PR2HPOP BAL CAV PR1MCC HOT GAS IN PR

PBP DS PRHPFP DS PRLPOP DS PR 20,000

I

TimeSlice(Sec)

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

DATA PLOT LISTING FOR TEST STAND A3 (Continued)

MaximumChannel Descriptor Frequency

est (Time History or PSD) (Hz)

15 HPOP BAL CAV PR2 5,000

I20,000

MCC HOT GAS IN PR

I

,

40,0001

f TPBPDSPR 20,000

iT

LPFP DS PR1f

LPOT TURB DR PR 5,000if

20,000

OPB PC PRf

HPFP DS PR

. • IHOT GAS MAN PR3

iy

OPB PC PR DC

» \

TimeSlice(Sec)

3015028030

150280

30150280

3015028030

150280

30150280

3015028030

150280

30150

30150280

30150280

30150280

116 THRUSTLPOP DS PR

HPOP BAL CAV PR2HPOP BAL CAV PR1

HPOP DS PRMCC HOT GAS IN PR

PBP DS PROPB PC PR

HPFP DS PRHOT GAS MAN PR3HPFP BAL CAV PR

DATA PLOT LISTING FOR TEST STAND A3 (Continued)

MaximumChannel Descriptor Frequency

Test (Time History or PSD) (Hz)

116 LPOPDSPR 5,000

HPOP BAI

I20,000

t, CAVPR2 5,000

\20,000

HPOP DS PR

\MCC HOT GAS IN PR

40,000

PBP DS PR 5,000

\20,000

LPFP DS PR

\LPOTTURBDRPR 5,000

120,000

OPB PC PR

HPFP DS PR

1HOT GAS MAN PR3

1 1

TimeSlice(Sec)

30150280

30150280

30150280

30150280

30150 '280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

30150280

DATA PLOT LISTING FOR TEST STAND A3 (Continued)

Test

116

117

Channel Descriptor(Time History or PSD)

HPFP BAL CAV PR

OPB PC PR DC

THRUSTLPOP DS PRHPOP DS PR

MCC HOT GAS IN PRPBP DS PR

LPFP DS PRLPOT TURB DR PR

OPB PC PRHPFP DS PR

HPFP BAL CAV PR

MaximumFrequency

(Hz)

20,000

TimeSlice(Sec)

30150280

430

150280

LPOP DS PR 5,000 301 150f 297

20,000 30

HPOP DS PR1y

MCC HOT GAS IN PR

1

150297

30150297

30150297

40,000 30r 1 15°

T 280PBPDSPR 20,000 30

tLPFP DS PR

1LPOT TURB DR PR

*OPB PC PR

1 1 J

150297

30150297

30150297

30150297

DATA PLOT LISTING FOR TEST STAND A3 (Continued)

Maximum TimeChannel Descriptor Frequency Slice

'est (Time History or PSD) (Hz) (Sec)

17 HPFP DS PR 20,000 30

1HPFP BAL CAV PR

1T

OPB PC PR DCti

150297

30150297

30. 150

29718 THRUST

LPOP DS PRHPOP BAL CAV PR1

PBP DS PRLPOP DS PR 20,000 30

iT

MCC HOT GAS IN PR1

150280

30150280

40,000 30

T f 280PBP DS PR 20,000 30

tHPFP BAL CAV PR

i•T

OPB PC PR DCi ,T

150280

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30> 150

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