System for boundary layer control through pulsed heating of a strip heater
First Claim
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1. A system for controlling the transition between laminar and turbulent flow of an air stream across a surface, comprising:
- (a) a thin narrow strip heater disposed adjacent said surface and extending substantially transversely of the flow of said air stream across said surface;
(b) means for resiliently tensioning said heater along the length of said heater; and
(c) electrical means operatively connected to the ends of said heater for applying pulsed voltage of preselected amplitude and frequency to said heater.
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Abstract
A system is described for controlling the transition of laminar/turbulent flow at a surface which comprises a thin narrow strip heater disposed adjacent the surface and extending substantially transversely of the flow of the air stream thereacross, the heater being resiliently held in tension on or in closely spaced relationship to the surface, and a power source operatively connected to the heater for applying pulsed voltage of preselected amplitude and frequency to the heater.
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4 Claims
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1. A system for controlling the transition between laminar and turbulent flow of an air stream across a surface, comprising:
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(a) a thin narrow strip heater disposed adjacent said surface and extending substantially transversely of the flow of said air stream across said surface; (b) means for resiliently tensioning said heater along the length of said heater; and (c) electrical means operatively connected to the ends of said heater for applying pulsed voltage of preselected amplitude and frequency to said heater. - View Dependent Claims (2, 3, 4)
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Specification