Browsing by Author "Mahdi Karimi"
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Comparison of radial basis function and back-error propagation neural networks for crack detection in variable cross-section beams
Neda Nasiri; Shahab Ilbeigi; Foad Nazari; Behzad Asmar; Mahdi Karimi; Sara Baghalian (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this study a method for identification of crack in variable cross-section beam is presented. The process of crack identification is consists of three steps. In first step, three natural frequencies of a variable ... -
Thermodynamics analysis of transcritical ejector refrigeration cycle with different refrigerants
Mahdi Karimi; Navid Freidooni Mehr; Peyman Rostami; Behnam Rostami; Sara Baghalian; Behzad Asmar (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)In this paper, a transcritical ejector refrigeration cycle using refrigerant R143a, R134a and R717 as working fluids are proposed to improve the performance of the ejector refrigeration systems. The method of solution ...