PioneeringAchievements_
f~)~~L·—£~ in?* Rocketry at JPL
HEA Τ TRANSFER . . . studies at JPL with a camera using a Kerr cell shutter taking photos at 20,000 frames per second were the first high speed, high-resolution motion pictures successfully recording the action of nucleate boiling. LIQUID PROPELLANT SYSTEMS.,. were pioneered at JPL. Development work began in 1943 and led to the first practical rocket power-plant in the United States in which spontaneous ignition took place upon mixing of the oxidizer and fuel.
MATERIALS RESEARCH AND TESTING ...is one of many supporting research programs under way at the Laboratory and are considered a "must", in providing needed data for engineers concerned with the design and dev lopment of propulsion systems.
SOLID PROPELLANT SYSTEMS... received momentous impetus in 1947 with the successful flight of the Thundeibird, a test rocket. This JPL pioneering achievement demonstrated a new technique which has since revolutionized the field of solid propellant rockets.
DEVELOPMENT . . . of efficient rocket poner plants involves large scale testing and the application of knowledge from many scientific and engi neering fields—thermodynamics, combustion, heat transfer, fluid me chanics, and metallurgy.
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TESTING . . . of rocket engines resulted in the establishment of a center for recording rocket engine measurements when in 1948 the Lab estab lished the first system serving five engine test cells. This has now expanded to a complex multi-channel system.
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A Research Facility operated for the National Aeronautics and Space Administration PASADENA, CALIFORNIA Employment opportunities for Engineers and Scientists interested in basic and applied research in these fields: I N F R A - R E D , O P T I C S , M I C R O W A V E , S E R V O M E C H A N I S M S , C O M P U T E R S , LIQUID A N D SOLID P R O P U L S I O N , STRUCTURES, CHEMISTRY, INSTRUMENTATION, MATHEMATICS, AND SOLID STATE PHYSICS
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