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Flight Center Alabama device to be tested initially in the conjunction with NASA GEORGE C MARSHALL SPACE FLIGHT CENTER TECHNICAL MEMORANDUM X53780 DEVELOPMENT OF AM ISOTROPIC RADIATION SIMULATOR ID: 941616

emulsion cam follower turntable cam emulsion turntable follower isotropic angular constant radiation space design speed simulator figure motor sciences

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Sciences Laboratory Flight Center, Alabama device to be tested initially in the conjunction with NA

SA - GEORGE C. MARSHALL SPACE FLIGHT CENTER TECHNICAL MEMORANDUM X-53780 DEVELOPMENT OF AM ISOTROPIC

RADIATION SIMULATOR BY Lester Katz SPACE SCIENCES LABORATORY RESEARCH AND DEVELOPMENT OPERATIONS RAD

IATION SIMULATOR One Incident Detail Design Drawing respect to angular speed emulsion turntable ISO

TROPIC RADIATION Films for exposure to from an the film irradiated in the device spacecraft missions

scientific purposes. the sensitivity an environment relatively intense objects in this means that the

number equal amounts the heavens Workshop; consequently, various scientists emulsion sensitivity gen

erate the the proton essentially parallel paths. Space the emulsion the protons parallel beam perpen

dicular to the the paper, the angle with n then the intensity be constant, the differential be incide

nt half-space, the identical formulae result. another constant, dt sin0 8 which sion must through po

int an isotropic be generated special cam cycle the the emulsion to those that the isotropic distribu

tion; we rotate constant velocity about point distribution, limited to in Figure the emulsion RADIAT

ION SIMULATOR the turntable follower to siderations (discussed the next the cam exposes the emulsion

isotropic simulation in Figure spinning about n, the Isotropic about n and rotation. The The design t

he previously the constant this rrunit'l may then, speed; in fact, cam the chosen nominal operating

corresponding to follower position the angular speed cam motor. has rotated CAM-FOLLOWER GEOMETRY f

ollower position to turn the emulsion turntable rotated degrees, there in the circumvent this turntab

le. This cam motor must be machining the the angular corresponds to to be profile into the cusp, the

angular region (which induces prohibitively the follower degrees. These inertia accelerations turnta

ble motor, turntable, imparted to the follower simplicity to the design, engineering drawings, ing th

e profile, the the calculations cam. Figure the different the balanced I I RESULTING FROM 10 I 0