Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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A Study on the Duct Design of HVAC System Using the Equal Friction Method and the T-method

등압법과 T-method를 이용한 공조시스템 배관 설계에 관한 연구

  • Park, Joon-Suk (HMRI, Hyundai Heavy Industries Co. LTD) ;
  • Choi, Gil-Hwan (HMRI, Hyundai Heavy Industries Co. LTD) ;
  • Cho, Dae-Seung (Department of Naval Architecture and Ocean Engineering, Pusan National University)
  • 박준석 (현대중공업 선박해양연구소) ;
  • 최길환 (현대중공업 선박해양연구소) ;
  • 조대승 (부산대학교 조선해양공학과)
  • Published : 2009.08.20
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Abstract

Optimal duct design of a HVAC system requires analysis technology to accurately evaluate its pressure losses, flow rate and velocity for making a compromised design among fan capacity and duct size affecting initial manufacturing and operation costs, and noise induced by the HVAC system. In this paper, we carry out initial duct design using the equal friction method. Using the result, the T-method is applied for accurate analysis of flow rate. Then, the duct size is modified using the difference between the required and the calculated flow rate, which can guarantee required flow rate, reduce the pressure unbalance among duct paths and lead to select optimal fan performance. To verify the validity and effectiveness of the proposed design method, an example for HVAC system design including noise analysis is demonstrated.

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References

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