Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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A Study on the Flow and Power Characteristics of Rotor in the APU

보조동력장치 회전자 유동 및 출력특성에 관한 연구

  • 이중섭 (경상대학교 BK21(첨단기계항공)) ;
  • 정인국 (경상대학교 대학원) ;
  • 윤지훈 (경상대학교 대학원) ;
  • 서정세 (경상대학교 기계공학부, 공학연구원(ERI)) ;
  • 이태의 ((주)성곡나노텍 기술연구소)
  • Received : 2011.07.20
  • Accepted : 2011.09.07
  • Published : 2011.12.15
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Abstract

Recently, Use of Auxiliary power unit(APU) is increasing by growing demand for improvement of insufficient electric power and installation of emergency generation devices in military tracked vehicles and civil markets. And the trend is that the units are demanded for smaller size, lighter weight and higher output power, etc to suit consumer demands. To achieve these, it is essential to develop high performance system. Therefore, in this study, it was conducted in numerical analysis to investigate flow characteristics of rotor in APU generator. Also output performance of APU applied on the rotor is analyzed by experimental method. As the result, higher rotating speed of rotor caused high air flow rate at suction and it leads to linear increase of discharging flow rate. The maximum theoretical power was achieved at 12 $m^3$/min of flow rate and, at that time, output power of generator was about 7.825 kW. Also, it can be confirmed the stabilization of output performance is achieved in about 2 seconds by experiment.

Keywords

References

  1. Lee, T. E., Suh, J. S., Jeong, S. H., and Park, Y. S., 2009, "A Study on Thermal and Fluid Characteristics inside Engine Room of Auxiliary Powr Unit for Tracked Vehicle," Journal of the Korean Society for Precision Engineering, Vol. 26, No.12, pp. 85-93.
  2. Lee, T. E., Suh, J. S., and Park, Y. S., 2009, "A Study on Temperature Distribution Characteristics inside Engine Room of the Auxiliary Power Unit for Tracked Vehicle," KSPE 09S451, pp. 821-822.
  3. Yi, C. S., Suh, J. S., Song, C. K., and Yun, J. H., 2010, "A Study on Performance of Cooling Fan for Auto Transmission Oil Cooler in the Large-size Diesel Engine," Journal of Fluid Machinery, Vol. 13, No. 6, pp.71-76. https://doi.org/10.5293/KFMA.2010.13.6.071
  4. Lee, T. E., Suh, J. S., Yi, C. S., Chung, K. T., Yun, J. H., and Park, C. W., 2010, "Effect of Area Change of Exhaust Hole on Temperature Distribution in Engine Room of Auxiliary Power Unit for Tracked Vehicle," Proceeding of KSPE 2010 Spring Conference, pp. 877-878.
  5. Lee, D. R., 2004, "Study of Flow Analysis of a Mid-size Vehicle in an Engine Room," Korean Society of Computational Fluids Engineering, Vol. 9, No. 4, pp. 13-19.
  6. Hountalas, T. D., 2000, "Prediction of Marine Diesel Engine Performance Under Fault Conditions," Applied Thermal Engineering, Vol. 20, Issue 18, pp. 1753-1783. https://doi.org/10.1016/S1359-4311(00)00006-5