----------------- FILE NUMBER 1371----------------- 1. FLOW TITLE: CASE 8661; PEAKE, D. J., "THREE-DIMENSIONAL SWEPT SHOCK/TURBULENT BOUNDARY LAYER INTERACTION". 2. REVISION DATE: NOVEMBER 1, 1981 3. EVALUATORS: RUBESIN, M. W. AND HORSTMAN, C. C., NASA AMES RESEARCH CENTER, MOFFETT FIELD CA 94035 4. EXPERIMENT LOCATION AND DATE: NATIONAL AERONAUTICAL ESTABLISHMENT, OTTAWA, CANADA 1975 5. ABSTRACT OF EXPERIMENT: EXPERIMENTALLY DETERMINED WALL PRESSURE DISTRIBUTIONS, LOCAL SURFACE SHEAR STRESSES AND THEIR DIRECTIONS, AND DETAILED TURBULENT BOUNDARY LAYER TRAVERSES IN NEAR ZERO HEAT TRANSFER CONDITIONS, ARE PRESENTED THROUGH A SKEWED SHOCK/BOUNDARY-LAYER INTERACTION REGION GENERATED BY A SHARP WEDGE STANDING NORMAL TO THE WIND TUNNEL FLOOR. THE STUDY WAS PERFORMED AT A FREE-STREAM MACH NUMBER OF 2 ALONG THE WORKING SECTION WALL (EXTENSION OF THE FLAT NOZZLE SIDEWALL) OF THE NAE 5 IN X 5 IN BLOWDOWN WIND TUNNEL. THE WEGDE SURFACE WAS INCLINED 8 DEGREES TO THE FREE-STREAM FLOW DIRECTION. THE REYNOLDS NUMBER BASED ON THE UNDISTURBED TEST BOUNDARY LAYER THICKNESS WAS 1.5 * 10**5 . 6. REFERENCES: 1. PEAKE, D. J. "THREE-DIMENSIONAL SWEPT SHOCK/TURBULENT BOUNDARY LAYER SEPARATIONS WITH CONTROL BY AIR INJECTION", AERONAUTIC REPORT LR-592, NATIONAL RESEARCH COUNCIL, CANADA, JULY 1976. 7. INSTRUMENTATION: STATIC PRESSURE ORIFICES AND THERMOCOUPLES WERE USED TO MEASURE WALL PRESSURE AND TEMPERATURE. PRESTON TUBES AND SURFACE OIL FLOW WERE USED TO OBTAIN MAGNITUDE AND DIRECTION OF SURFACE SKIN FRICTION. MEAN FLOW PROFILES WERE OBTAINED FROM A 3-TUBE YAW METER (COBRA PROBE) WHICH PROVIDES PITOT AND TOTAL TEMPERATURE AND FLOW DIRECTION IN PLANES PARALLEL TO THE FLAT WALL. 8. GLOBAL PARAMETERS ALL DATA WERE TAKEN AT Y = 0.0254 M. ANGLE OF THE WEDGE = 8 DEGREES. INFINITY CONDITIONS ARE DEFINED AT X = 0.00 M. (LEADING EDGE OF THE WEDGE). XMINF = 2.02 PINF = 2.90E 04 N/M**2 UINF = 510.0 M/S TEMPERATURES AT X = 0.00 M ARE TTOT = 23.84 DEGREES CENTIGRADE. (296.5 DEGREES K) TWALL = 12.34 DEGREES CENTIGRADE. (285.0 DEGREES K) TSTAT = -109.34 DEGREES CENTIGRADE. (163.5 KELVIN) BOUNDARY LAYER QUANTITIES AT X = 0.00 M. ARE DEL = 0.0051 M. DELS = 0.00155 M. 9. MEASURED VARIABLES EACH MEASURING STATION INCLUDES DATA FOR THE FOLLOWING MEASURED OR INFERRED QUANTITIES: X STREAMWISE DISTANCE. M (MEASURED FROM THE LEADING EDGE OF THE WEDGE). PWALL WALL PRESSURE. N/M**2 PINF FREE STREAM PRESSURE. N/M**2 PWALL/PINF NONDIMENSIONAL PRESSURE. CF SKIN FRICTION COEFFICIENT BASED ON UNDISTURBED FREESTREAM CONDITIONS. ALPHA FLOW ANGLE MEASURED IN THE X-Y PLANE WITH RESPECT TO THE X AXIS. DEGREES Z DISTANCE MEASURED NORMAL TO THE TUNNEL FLOOR. M U MEAN VELOCITY IN X DIRECTION. M/S UINF FREE STREAM VELOCITY. M/S U/UINF NONDIMENSIONAL VELOCITY. Y DISTANCE MEASURED NORMAL TO BOTTOM OF THE WEDGE 10. MEASUREMENT UNCERTAINTY UNCERTAINTIES ESTIMATED FROM BASIC MEASUREMENT UNCERTAINTY AND DATA SCATTER FROM REPEAT TESTS. PPITOT: + OR - 0.01 * PPITOT PWALL: + OR - 0.01 * PWALL CF: + OR - 0.10 * CF ALPHA: + OR - 0.2 DEGREES U: + OR - 0.02 * U Y: + OR - 0.00002 M 11. TAPE ORGANIZATION THE TAPE IS A 2400 FOOT, 9-TRACK, ODD PARITY, PHASE ENCODED, UNLABELLED TAPE WRITTEN AT A DENSITY OF 1600 BITS PER INCH ACCORDING TO EBCDIC CODE. THE RECORD FORMAT IS FIXED AND BLOCKED; RECORD LENGTH = 80 BYTES; 100 RECORDS PER BLOCK; BLOCKSIZE = 8000 BYTES. NORMALIZED DATA ARE CREATED FROM MEASURED DATA AS FOLLOWS: XNORM=(X-XMIN)/(XMAX-XMIN) THUS EACH NORMALIZED DATUM IS WRITTEN ONTO TAPE AS A VALUE BETWEEN 0.0 AND 1.0 ALL NULL DATA ARE WRITTEN AS 2.0 THE EQUATION DESCRIBING THE RELATIONSHIP BETWEEN ACTUAL DATA AND NORMALIZED DATA IS: X=XMIN + ((XMAX-XMIN) * XNORM) WHERE X, XMAX, XMIN AND XNORM ARE REAL NUMBERS. FILE # NREC CONTENTS FORMAT COMMENTS 1 TEXT FILE CONTAINS ITEMS 1 TO 11 OF THIS WRITE-UP 2 16 X,PWALL/PINF, 4E13.6 RECORD 1:MAX VALUES CF,ALPHA X,PWALL/PINF, 4E13.6 RECORD 2:MIN VALUES CF,ALPHA X,PWALL/PINF, 4E13.6 RECORDS 3-16 NORMALIZED CF,ALPHA VALUES FILES 3-7 CONTAIN MEAN-VELOCITY PROFILE DATA AND FLOW ANGLE DATA AT FIVE STREAMWISE MEASURING STATIONS. 3 21 Z,U/UINF,ALPHA 3E13.6 STATION: X=0.0090 M RECORD 1- MAX VALUES Z,U/UINF,ALPHA 3E13.6 RECORD 2- MIN VALUES Z,U/UINF,ALPHA 3E13.6 RECORDS 3-21 NORMALIZED VALUES 4 21 Z,U/UINF,ALPHA 3E13.6 STATION: X=0.0236 M RECORD 1- MAX VALUES Z,U/UINF,ALPHA 3E13.6 RECORD 2- MIN VALUES Z,U/UINF,ALPHA 3E13.6 RECORDS 3-21 NORMALIZED VALUES 5 21 Z,U/UINF,ALPHA 3E13.6 STATION: X=0.0366 M RECORD 1- MAX VALUES Z,U/UINF,ALPHA 3E13.6 RECORD 2- MIN VALUES Z,U/UINF,ALPHA 3E13.6 RECORDS 3-21 NORMALIZED VALUES 6 21 Z,U/UINF,ALPHA 3E13.6 STATION: X=0.0523 M RECORD 1- MAX VALUES Z,U/UINF,ALPHA 3E13.6 RECORD 2- MIN VALUES Z,U/UINF,ALPHA 3E13.6 RECORDS 3-21 NORMALIZED VALUES 7 21 Z,U/UINF,ALPHA 3E13.6 STATION: X=0.0643 M RECORD 1- MAX VALUES Z,U/UINF,ALPHA 3E13.6 RECORD 2- MIN VALUES Z,U/UINF,ALPHA 3E13.6 RECORDS 3-21 NORMALIZED VALUES A SAMPLE PROGRAM FOR READING FILE 6 AND PRINTING IT IS SHOWN BELOW. THE JCL IS FOR THE STANFORD CIT FACILITY. CHECK WITH YOUR OWN COMPUTER FACILITY FOR THE EXACT JCL NEEDED. //TAPE JOB BRC$NJ /*SETUP TAPE=1,INPUT=(LIBRARY NUMBER ASSIGNED TO TAPE) // EXEC FORTCG //FORT.SYSIN DD * C TO READ FILE 6 OFF TAPE AND C PRINT THE MAXIMAS AND MINIMAS OF ALL THE VARIABLES AND PRINT C THE NORMALIZED VALUES OF ALL THE VARIABLES DIMENSION Z(20),U(20),ALPH(20) READ (23,20) ZMX,UMX,ALPHMX READ (23,20) ZMN,UMN,ALPHMN WRITE (6,30) ZMX,UMX,ALPHMX WRITE (6,30) ZMN,UMN,ALPHMN C THE NEXT 19 RECORDS CONTAIN THE NORMALIZED PROFILE DATA DO 10 I=1,19 READ (23,20) Z(I),U(I),ALPH(I) WRITE (6,30) Z(I),U(I),ALPH(I) 10 CONTINUE 20 FORMAT (3E13.6) 30 FORMAT (1X,3E13.6) STOP END //GO.FT23F001 DD UNIT=T1600,VOL=SER=(TAPE LIBRARY), // DISP=(OLD,KEEP),DCP=(RECFM=FB,LREC=80,BLKSIZE=8000,DEN=3), // LABEL=(6,NL) // -------------- END OF FILE NUMBER 1371------------- ----------------- FILE NUMBER 1372----------------- 0.650000E-01 0.146000E 01 0.180000E-02 0.300000E 02 0.000000E 00 0.100000E 01 0.112000E-02 0.000000E 00 0.000000E 00 0.000000E 00 0.100000E 01 0.000000E 00 0.769231E-01 0.000000E 00 0.100000E 01 0.000000E 00 0.153846E 00 0.000000E 00 0.970588E 00 0.333333E-01 0.230769E 00 0.652168E-01 0.794118E 00 0.166667E 00 0.307692E 00 0.315218E 00 0.411765E 00 0.433333E 00 0.384615E 00 0.543478E 00 0.147059E 00 0.733333E 00 0.461538E 00 0.695651E 00 0.000000E 00 0.933333E 00 0.538462E 00 0.782608E 00 0.000000E 00 0.100000E 01 0.615385E 00 0.858697E 00 0.102941E 00 0.966667E 00 0.692308E 00 0.902174E 00 0.205882E 00 0.933333E 00 0.769231E 00 0.945653E 00 0.367647E 00 0.900000E 00 0.846154E 00 0.967391E 00 0.573530E 00 0.833333E 00 0.923077E 00 0.989130E 00 0.661765E 00 0.800000E 00 0.100000E 01 0.100000E 01 0.676471E 00 0.766667E 00 -------------- END OF FILE NUMBER 1372------------- ----------------- FILE NUMBER 1373----------------- 0.700000E-02 0.100000E 01 0.000000E 00 0.250000E-03 0.570000E 00 0.000000E 00 0.000000E 00 0.000000E 00 0.000000E 00 0.370370E-01 0.139535E 00 0.000000E 00 0.740740E-01 0.255814E 00 0.000000E 00 0.111111E 00 0.372093E 00 0.000000E 00 0.148148E 00 0.441860E 00 0.000000E 00 0.185185E 00 0.488372E 00 0.000000E 00 0.222222E 00 0.558140E 00 0.000000E 00 0.259259E 00 0.604651E 00 0.000000E 00 0.296296E 00 0.674419E 00 0.000000E 00 0.333333E 00 0.697674E 00 0.000000E 00 0.407407E 00 0.790698E 00 0.000000E 00 0.481481E 00 0.837209E 00 0.000000E 00 0.555555E 00 0.906977E 00 0.000000E 00 0.629630E 00 0.953488E 00 0.000000E 00 0.703704E 00 0.976744E 00 0.000000E 00 0.777778E 00 0.988372E 00 0.000000E 00 0.851852E 00 0.100000E 01 0.000000E 00 0.925926E 00 0.100000E 01 0.000000E 00 0.100000E 01 0.100000E 01 0.000000E 00 -------------- END OF FILE NUMBER 1373------------- ----------------- FILE NUMBER 1374----------------- 0.700000E-02 0.970000E 00 0.100000E 02 0.250000E-03 0.530000E 00 0.000000E 00 0.000000E 00 0.000000E 00 0.100000E 01 0.370370E-01 0.681819E-01 0.500000E 00 0.740740E-01 0.204545E 00 0.400000E 00 0.111111E 00 0.318182E 00 0.300000E 00 0.148148E 00 0.409091E 00 0.300000E 00 0.185185E 00 0.500000E 00 0.300000E 00 0.222222E 00 0.545454E 00 0.300000E 00 0.259259E 00 0.568182E 00 0.300000E 00 0.296296E 00 0.613636E 00 0.300000E 00 0.333333E 00 0.704545E 00 0.300000E 00 0.407407E 00 0.772727E 00 0.300000E 00 0.481481E 00 0.863636E 00 0.300000E 00 0.555555E 00 0.931818E 00 0.300000E 00 0.629630E 00 0.977273E 00 0.300000E 00 0.703704E 00 0.977273E 00 0.200000E 00 0.777778E 00 0.988636E 00 0.100000E 00 0.851852E 00 0.100000E 01 0.100000E 00 0.925926E 00 0.100000E 01 0.000000E 00 0.100000E 01 0.100000E 01 0.000000E 00 -------------- END OF FILE NUMBER 1374------------- ----------------- FILE NUMBER 1375----------------- 0.700000E-02 0.960000E 00 0.250000E 02 0.250000E-03 0.450000E 00 0.500000E 01 0.000000E 00 0.000000E 00 0.100000E 01 0.370370E-01 0.392158E-01 0.900000E 00 0.740740E-01 0.117647E 00 0.850000E 00 0.111111E 00 0.196078E 00 0.700000E 00 0.148148E 00 0.235294E 00 0.550000E 00 0.185185E 00 0.313726E 00 0.500000E 00 0.222222E 00 0.352941E 00 0.450000E 00 0.259259E 00 0.392157E 00 0.350000E 00 0.296296E 00 0.431373E 00 0.300000E 00 0.333333E 00 0.490196E 00 0.250000E 00 0.407407E 00 0.568627E 00 0.200000E 00 0.481481E 00 0.647059E 00 0.150000E 00 0.555555E 00 0.745098E 00 0.100000E 00 0.629630E 00 0.803922E 00 0.100000E 00 0.703704E 00 0.862745E 00 0.500000E-01 0.777778E 00 0.901961E 00 0.500000E-01 0.851852E 00 0.960784E 00 0.000000E 00 0.925926E 00 0.980392E 00 0.000000E 00 0.100000E 01 0.100000E 01 0.000000E 00 -------------- END OF FILE NUMBER 1375------------- ----------------- FILE NUMBER 1376----------------- 0.700000E-02 0.930000E 00 0.240000E 02 0.250000E-03 0.490000E 00 0.500000E 01 0.000000E 00 0.000000E 00 0.100000E 01 0.370370E-01 0.909090E-01 0.947368E 00 0.740740E-01 0.159091E 00 0.894737E 00 0.111111E 00 0.227273E 00 0.789474E 00 0.148148E 00 0.272727E 00 0.684210E 00 0.185185E 00 0.318182E 00 0.631579E 00 0.222222E 00 0.340909E 00 0.578947E 00 0.259259E 00 0.386364E 00 0.526316E 00 0.296296E 00 0.431818E 00 0.473684E 00 0.333333E 00 0.477273E 00 0.368421E 00 0.407407E 00 0.590909E 00 0.315789E 00 0.481481E 00 0.681818E 00 0.210526E 00 0.555555E 00 0.772727E 00 0.210526E 00 0.629630E 00 0.840909E 00 0.105263E 00 0.703704E 00 0.931818E 00 0.105263E 00 0.777778E 00 0.954545E 00 0.526316E-01 0.851852E 00 0.977273E 00 0.526316E-01 0.925926E 00 0.100000E 01 0.000000E 00 0.100000E 01 0.100000E 01 0.000000E 00 -------------- END OF FILE NUMBER 1376------------- ----------------- FILE NUMBER 1377----------------- 0.700000E-02 0.920000E 00 0.230000E 02 0.250000E-03 0.510000E 00 0.500000E 01 0.000000E 00 0.000000E 00 0.100000E 01 0.370370E-01 0.731708E-01 0.100000E 01 0.740740E-01 0.170732E 00 0.944444E 00 0.111111E 00 0.219512E 00 0.833333E 00 0.148148E 00 0.268293E 00 0.777778E 00 0.185185E 00 0.317073E 00 0.722222E 00 0.222222E 00 0.341463E 00 0.666667E 00 0.259259E 00 0.390244E 00 0.611111E 00 0.296296E 00 0.439024E 00 0.555556E 00 0.333333E 00 0.463415E 00 0.500000E 00 0.407407E 00 0.536585E 00 0.388889E 00 0.481481E 00 0.634146E 00 0.333333E 00 0.555555E 00 0.707317E 00 0.222222E 00 0.629630E 00 0.780488E 00 0.166667E 00 0.703704E 00 0.853658E 00 0.111111E 00 0.777778E 00 0.902439E 00 0.555556E-01 0.851852E 00 0.951219E 00 0.555556E-01 0.925926E 00 0.975610E 00 0.000000E 00 0.100000E 01 0.100000E 01 0.000000E 00 -------------- END OF FILE NUMBER 1377------------- E 00 0.975610E 00 0.000000E 00 0.100000E 01 0.100