![]() Particular attention is paid to testing of electronics, but its role in calibration is also covered. This White Paper from OMEGA Engineering explores the uses of laboratory wind tunnels. ![]() Only in a wind tunnel can airflow be managed to assess the effects of fan cooling, for example. Wind tunnel testing is usually thought of in conjunction with aerodynamics but it’s also an important electronics test method. While bench testing may be sufficient for some components and boards, a better approach is to place them in a wind tunnel. CFD modeling techniques predict the effectiveness of heat dissipating approaches like dispersing components and adding heat sinks and fans, but testing remains an essential step. It’s a problem that challenges designers as increasing transistor density, means devices generate more watts per square cm than ever. Failure rates for many electronic components rise with temperature.
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