실버-페이스트의 스크린 인쇄공정을 적용한 인공위성용 필름 히터의 열전달 성능해석

Herein, we reviewed satellite applications for the film heater with a silver-paste heating element fabricated by screen printing. Moreover, identical results were obtained by comparing the prototype heater and Engineering Model class calculationcharacteristics. For Flying Model class application, it was possible to maintain the temperature above 200℃, which can be shielded by PI using a silver element of thickness 6.26 μm, width of 2 mm, bus-voltage of 28 V, and electrical resistance of 25.8 Ω. If the maximum temperature does not exceed 200 ℃, a suitable heater for the sink temperature is used, and the maximum allowable power density is lowered to less than half of the European Space Components Coordination regulation (0.54 W/cm2). The calculated results showed an error when with the measured temperature in the test mode attaching a heater to the CFRP plate due to the high thermal resistance of film and adhesive layers.