• numerical thermal mathematical model correlation to thermal balance test using adaptive particle swarm optimization (apso)

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 497
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     we present structural and thermal model (stm) tests of the bepicolombo laser altimeter (bela) receiver baffle with emphasis on the correlation of the data with a thermal mathematical model. the test unit is a part of the thermal and optical protection of the bela instrument being tested under infrared and solar irradiation at the university of bern. an iterative optimization method known as particle swarm optimization has been adapted to adjust the model parameters, mainly the linear conductivity, in such a way that model and test results match. the thermal model reproduces the thermal tests to an accuracy of 4.2 °c ± 3.2 °c in a temperature range of 200 °c after using only 600 iteration steps of the correlation algorithm. the use of this method brings major benefits to the accuracy of the results as well as to the computational time required for the correlation.

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