Materials selection for electronic enclosures in space environment considering electromagnetic interference effect

Details Materials selection for electronic enclosures in space environment considering electromagnetic interference effect Materials selection for electronic enclosures in space environment considering electromagnetic interference effect

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012adspr..49..586f&link_type=abstract

Advances in Space Research, Volume 49, Issue 3, p. 586-593.

Mathematics

Logic

Scientific paper

Using low power electronic devices for space applications to reduce the mass and energy consumption has lead to electromagnetic interference (EMI) problem. Electronic enclosures are used to shield electronic devices against EMI. In the past, electromagnetic shielding has been mainly the only criteria considered in electronic enclosure design. However, there are several structural and thermal requirements for selection of shielding materials which should also be taken into account. In this research work, three quantitative materials selection methods, i.e. Digital Logic (DL), Modified Digital Logic (MDL), and Z-transformation, are employed to select the best material from among a list of candidate materials. Composite and metallic electronic enclosures are explored and the best material is selected. Z-transformation method is applicable to both of the considered case studies while DL and MDL can only be used for solving one of them. Z-transformation method ranks aluminum as the first choice among various metallic materials. The wide range of Z-transformation application and its practical results confirm the superiority of Z-transformation method over DL and MDL methods.

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