1997-02-24

Hot-Wire Velocity Measurements of Defroster and Windshield Flow 970109

Hot-wire anemometry is used to experimentally determine the velocity field in the vicinity of the defroster nozzle jet flow and windshield interior surface. It provides quantitative velocity measurements necessary to determine the heat transfer coefficient on the windshield. Measurements are useful when used as a design tool to predict defroster and windshield flow. A modified traverse device was constructed to carry the hot-wire probes. The results obtained from the modified technique are more accurate and provides a valuable insight into the boundary-layer structure over the windshield.

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