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한성호(WonKap.Kim),김원갑(SeongHo.Han),최영돈(YoungDon.Choi) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.11
This paper reports the characteristics of the three dimensional turbulent flow in the rectangular<br/> -sectioned 180 degree bends by Hot-wire anemometer. Grande and Kool proposed a cooling law for the<br/> measurements of the flow through the narrow passage. The authors noticed that the calibration<br/> coefficients of original method are not constant and fairly sensitive to the flow approaching angle.<br/> Measured voltages are converted to three velocity and six Reynolds stress components using the<br/> modified method in which the coefficients are treated as a function of approaching angle.