Handbook of High Speed Photography - IET Labs, Inc.

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* Sliding pucks containing cylindrical mognels oriented for mutual repulsion are used to illustrate the conservation of energy in elastic collisions. Photograph al lop shows the reduction of speed and kinetic energy as one puck approaches the other, and analysis shows that this energy is stored in the magnetic field of the pucks. Photograph below shows the 'explosion' which occurs when the two pucks, originally held closely together by a string, are allowed lo separate by burning of the string, Quantitative data obtained from analysis of the first photograph enabled a prediction to be made of the finol kinetic energy produced by the experiment shown in the second photograph. Flashes here were at 0.1-second intervals. Used in the PSSC film Elastic Collisions and Stored Energy. 67
Use of dry-ice pucks on smooth, level surface and multiple-flash photographs to illustrate fundamental principles of physics in educational films. Courtesy of Educa tional Services, Inc., Watertown, Massachusetts. Sliding puck pulled by siring at right angles to ils direction of motion changes direc tion but not speed. String is fastened lo puck by a rubber ring, which stretches when force is applied. Top photograph shows an abrupt change in direction caused by a brief pull on the siring. Photograph below shows circular motion with a conslanl deflecting force (constant distorlion of the rubber ring). Flashes were at one-second intervals. Used in the PSSC film Deflecting Forces. 68
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TABLE OF CONTENTS ACKNOWLEDGEMENT F
Page 5 and 6:
FOREWORD When I first heard about h
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Figure 1-2. A .22-calibre rifle bul
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Figure 1-4. Multiple-flash analysis
Page 11 and 12:
From the measured distance between
Page 13 and 14:
1.3 USING THE STROBOSCOPE WITH MOVI
Page 15 and 16:
TYPE OF APPLICATION REQUIREMENTS Si
Page 17 and 18:
2.3 FLASH INTENSITY VERSUS DURATION
Page 19 and 20:
..«""*&&. 1 A Figure 2-2. Study of
Page 21 and 22: section 3 GENERAL RADIO STROBOSCOPE
Page 23 and 24: Figure 3-2. Using the Stroboslave t
Page 25 and 26: 3.2.2 EXTERNAL TRIGGERING. The Stro
Page 27 and 28: The flashing rate of the 1538 Strob
Page 29 and 30: Type 1540-P4 Oscillator/Delay Unit.
Page 31 and 32: 100 — OF In CENT (PERO TENSITY 1
Page 33 and 34: XENON FLASHTUBE (STROBOTAC) 7000 AN
Page 35 and 36: 4.4 GUIDE NUMBER CHART. A guide num
Page 37 and 38: At extremely short camera-subject d
Page 39 and 40: the relative position of these mark
Page 41 and 42: Figure 4-8. Shock-wave photography
Page 43 and 44: 4.8 OPERATION OF CAMERA SHUTTERS AT
Page 45 and 46: The camera should not be loaded wit
Page 47 and 48: 5.2.2 MECHANICAL CONTACTS. Mechanic
Page 49 and 50: 5.2.3 OPTICAL PICKUP. The optical p
Page 51 and 52: chronization. For instance, the mot
Page 53 and 54: mine the proper attachment of the l
Page 55 and 56: must be set to "Bulb", the Strobota
Page 57 and 58: 5.3.2 OTHER SIGNAL PROCESSING DEVIC
Page 59 and 60: applications require the burst to b
Page 61 and 62: made with the same camera without r
Page 63 and 64: section 6 MOTION-PICTURE PHOTOGRAPH
Page 65 and 66: The subject image will appear to mo
Page 67 and 68: Section 6.4. Photo- and reluctance-
Page 69 and 70: BLADE HAS JUST CLEARED WINDOW TO ST
Page 71: HIGH-SPEED PHOTOGRAPHY has many use
Page 75 and 76: Spindle on a textile spinning frame
Page 77 and 78: Combustion study of twin, oscil lat
Page 79 and 80: Ropidly moving bubbles of hu man bl
Page 81 and 82: Spray pattern of diesel fuelinjecti
Page 83 and 84: \ Multiple-flash of golf ball just
Page 85 and 86: A pulsating, solenoid-actuated wate
Page 87 and 88: Edgerton, Harold E., "Shock-Wave Ph
Page 89 and 90: INDEX Acceleration 5, 79 Accuracy 1
Page 91 and 92: Type1531-AB STROBOTAC* ELECTRONIC S
Page 93 and 94: Type 1538-A STROBOTAC electronic st
Page 95 and 96: Type 1531-P2 FLASH DELAY synchroniz
Page 97: Type 1541 MULTIFLASH GENERATOR a tr
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