Abstract Single-phase brushless DC (BLDC) drives are a cost-effective alternative for three-phase sub-fractional horsepower in automotive auxiliary applications. Inherent features of single-phase permanent magnet machines, such as high cogging torque and ripple, can, however, make them more audible than their counterparts. As some these close to the passengers, where even small amount noise can...

Infrared photo detectors have vast and promising applications in military,industrial and other fields. In this paper, we present a method for improving theperformance of an infrared photodetector based on an InSb substance. To achieve goodperformance at high temperatures, thermal noise and intrusive currents should bereduced. For this purpose, a five-layer hetero structu...

Ecological community structure is particularly important in vector-borne zoonotic diseases with complex life cycles. Qualitative community model analysis may provide a meaningful alternative to standard population-based models of vector-borne disease. We built on recent mathematical developments in qualitative community modeling coupled with conventional biomathematical models of vector-borne d...

ABSTRACT We forecast the ability of future-generation experiments to detect fine-structure lines carbon and oxygen ions, [C ii] [O iii] in intensity mapping (IM) from Epoch Reionization (z ∼ 6–8). Combining latest empirically derived constraints relating luminosity line ambient star formation rate, using them conjunction with previously estimates for abundance haloes, we predict expected autoco...

**C. H. LEE It is well known that the major noise source of a refrigerator is the compressor, and due to the tendency of higher quality and more lighter weighty of manufactured goods, the importance of of prevention and reduction of noise is increasing. In this paper, in order to prevent and reduce such noise, sound pressure level and acoustic intensity are measured for the compressor, and the ...