Abstract

A simple spark-gap light source together with an associated pulsing circuit has been utilized to produce light flashes of approximately 10−7-sec. duration suitable for the study of shock waves produced by high speed bullets and for the photography of shock and turbulent disturbances in supersonic air streams.

© 1947 Optical Society of America

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References

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  1. J. W. Beams, Phys. Rev. 35, 24, (1930).
    [CrossRef]
  2. L. B. Snoddy, J. R. Dietrick, and J. W. Beams, Phys. Rev. 52, 739 (1937).
    [CrossRef]
  3. J. C. Street and J. W. Beams, Phys. Rev. 38, 416, (1931).
    [CrossRef]

1937 (1)

L. B. Snoddy, J. R. Dietrick, and J. W. Beams, Phys. Rev. 52, 739 (1937).
[CrossRef]

1931 (1)

J. C. Street and J. W. Beams, Phys. Rev. 38, 416, (1931).
[CrossRef]

1930 (1)

J. W. Beams, Phys. Rev. 35, 24, (1930).
[CrossRef]

Beams, J. W.

L. B. Snoddy, J. R. Dietrick, and J. W. Beams, Phys. Rev. 52, 739 (1937).
[CrossRef]

J. C. Street and J. W. Beams, Phys. Rev. 38, 416, (1931).
[CrossRef]

J. W. Beams, Phys. Rev. 35, 24, (1930).
[CrossRef]

Dietrick, J. R.

L. B. Snoddy, J. R. Dietrick, and J. W. Beams, Phys. Rev. 52, 739 (1937).
[CrossRef]

Snoddy, L. B.

L. B. Snoddy, J. R. Dietrick, and J. W. Beams, Phys. Rev. 52, 739 (1937).
[CrossRef]

Street, J. C.

J. C. Street and J. W. Beams, Phys. Rev. 38, 416, (1931).
[CrossRef]

Phys. Rev. (3)

J. W. Beams, Phys. Rev. 35, 24, (1930).
[CrossRef]

L. B. Snoddy, J. R. Dietrick, and J. W. Beams, Phys. Rev. 52, 739 (1937).
[CrossRef]

J. C. Street and J. W. Beams, Phys. Rev. 38, 416, (1931).
[CrossRef]

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Figures (5)

F. 1
F. 1

Schematic diagram of spark-gap light source, G, and associated coaxial transmission line, T, for producing short current pulse. R—charging resistances. Z0—resistance equal to surge impedance of line T.

F. 5
F. 5

Metal probe, diameter 3 16 , in supersonic free jet. Mach number approximately 1.8.