WYLE

LABORATORIES SCIENTIFIC SERVICES & SYSTEMS GROUP

WYLE LABORATORIES - RESEARCH STAFF

TECHNICAL REPORT 66338-01

A DATA BASE AND ANALYSIS PROGRAM

FOR .SHUTTLE MAIN ENGINE

DYNAMIC PRESSURE MEASUREMENTS

APPENDIX F

DATA BASE PLOTS FOR SSME TESTS

750-120 through 750-200

(NASA-CE-178813) A DATA EASE AND ANALYSIS

.PROGRAM FOE SHUTTLE MAI N ENGIN E DYNAMIC

PEESSUHE MEASOBEMENTS . APPENDI X P- DATA

BASE PLOTS FOE SSflE TESTS 750-120 THROUGH

750-200 Final Eeport (Wyle Labs., lac,)

Unclas

G3/20 06057
WYLE LABORATORIES - RESEARCH STAFF

TECHNICAL REPORT 66338-01

A DATA BASE AND ANALYSIS PROGRAM

FOR .SHUTTLE MAIN ENGINE

DYNAMIC PRESSURE MEASUREMENTS

APPENDIX F

DATA BASE PLOTS FOR SSME TESTS

750-120 through 750-200

by

Thomas Coffin

A final report of

work performed under contract NAS8-34343

for

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

GEORGE C. MARSHALL SPACE FLIGHT CENTER

MARSHALL SPACE FLIGHT CENTER, ALABAMA 35812

January 1986
FOREWORD

This report describes a dynamic pressure data base and data

base management system developed to characterize the Space

Shuttle Main Engine (SSME) dynamic pressure environment.

The data base represents dynamic pressure measurements s

obtained during single engine hot firing tests of the SSME.

Software is provided to permit statistical evaluation of

selected measurements under specified operating conditions.

An interpolation scheme is also included to estimate

spectral trends with SSME power level. This report was

prepared by Wyle Laboratories Scientific Services and

Systems Group for the National Aeronautics and Space

Administration, George C. Marshall Space Flight Center. The

work was performed under NASA contract NAS 8-34343, entitled

"Flow Dynamic Environments in High Performance Rocket

Engines."

The author wishes to acknowledge the contribution to this

study by Dr. G. Meares, Chief Architect of the data base

management software described herein. Messrs. B. Dobbs and

D. Duck contributed long hours over a digitizer pad to

accomplish data base input. The singular value

decomposition software for spectrum interpolation was

developed by Dr. J. Jong. Mr. T. Nesman, MSFC technical

contract monitor, provided continuing support through

informal project reviews and served as a focal point for

definition of SSME data requirements.
DATA PLOT LISTING FOR TEST STAND A3 (Continued)

Test

120

121

Channel Descriptor

(Time History or PSD)

THRUST

HPOP BAL CAV PR2

HPOP BAL CAV PR1

HPOP DS PR

MCC HOT GAS IN PR

PBP DS PR

LPOP DS PR

HPOP DS PR

\

MCC HOT GAS IN PR

PBP DS PR

HPFP BAL CAV PR

I

OPB PC PR DC

\

THRUST

LPOP DS PR

f

HPOP DS PR

I

MCC HOT GAS IN PR

HOT GAS MAN PR2

f

HPFP BAL CAV PR

f

OPB PC PR DC

Maximum Time

Frequency Slice

(Hz) (Sec)

20,000 30

100

200

30

100

200

30

100

r 200

40,000 30

1 100

f 200

20,000 30

i

100

200

30

100

200

30

100

200

20,000 8

1

16

8

16

8

16

40,000 8

f 16

20,000 8

,

16

8

16

8

16
DATA PLOT LISTING FOR TEST STAND A3 (Continued)

Test

123

124

125

Channel Descriptor

(Time History or PSD)

THRUST

MCC FUEL INJ PR

Maximum

Frequency

(Hz)

126

127

128

129

130

THRUST

T

FPB PC

?

THRUST

FPB PC

OPB PC PR DC

THRUST

FPB PC

t

MCC FUEL INJ PR

f

OPB PC PR DC

f

THRUST

FPB PC

t

MCC FUEL INJ PR

20,000

40,000

20,000

20,000

20,000

40,000

20,000

20,000

40,000

t

Time

Slice

(Sec)

6

95

125

155

185

215

245

265

285

6

10

50

95

125

155

185

215

245

265

285

6

11

6

6

11

5

11

6

11

6

11

6

11

6

11
:DATA PLOT LISTING FOR TEST STAND A3 (continued)

Maximum

Channel Descriptor Frequency

Test (Time History or PSD) (Hz)

130 OPBPCPRDC 20,000

? I t

131 THRUST

MCC FUEL INJ PR 20, (

1

FPB PC

)00

40,000

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1 t

132 THRUST

MCC FUEL INJ PR

OPB PC PR DC

FPB PC 20,000

MCC FUEL INJ PR

.

i

40,000

OPBPCPRDC 20,000

i i

133 THRUST

FPB PC 20,000

Time

Slice

(Sec)

6

11

30

70

100

30

70

100

30

70

100

30

70

100

10

90

150

260

291

10

90

150

260

291

10

90

150

260

291

10

90

150

260

291

6

71

76

150

280
DATA PLOT LISTING FOR TEST STAND A3 (Continued)

Maximum

Channel Descriptor Frequency

Test (Time History or PSD) (Hz)

i:

1

3 OPB PC PR DC 20,000

•

134 THRUST

•

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1

40,000

\

FPB PC 20,000

i

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40,000

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i

1

135 THRUST

i

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1

40,000

\ I

Time

Slice

(Sec)

6

71

76

150

280

4

30

45

150

280

4

30

45

150

200

4

30

55

150

280

4

30

45

150

280

4

30

45

150

280

4

30

45

150

280

6

15

45

75

150

6

15

45
.DATA PLOT LISTING FOR TEST STAND A3 (Continued)

Maximum

Channel Descriptor Frequency

Test (Time History or PSD) (Hz)

135 MCCFUELINJPR 40,000

1

? f

MCC FUEL INJ PR DC 20 , 000

i

40,000

r

 i

OPB PC PR DC 20,000

i i

136 THRUST

MCC FUEL INJ PR 20 , 000

40,000

MCC FUEL INJ PR DC 20,000

OPB PC PR DC

I

1

\ T

138 THRUST

139

140

141

142

143

144

145 I

146 '

Time

Slice

(Sec)

75

150

6

15

45

75

150

6

15

45

75

150

6

15

45

75

150

4

25

50

150

280

4

25

50

150

280

4

25

50

150

280

25

50

150

280
DATA PLOT LISTING FOR' TEST STAND A3 (Concluded)

Test

147

148

150

151

152

153

154

155

156

157

158

161

164

165

166

167

168

170

171

172

173

174

175

177

178

179

180

181

182

183

184

185

186

187

188

190

191

192

193

194

195

196

197

198

199

200

Channel Descriptor

(Time History or PSD)

THRUST

Maximum

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Time

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