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2025 Vol.5, Issue 1 Preview Page

Research Article

Effects of Inlet and Outlet Layout on the Outflow Uniformity of Dividing Manifolds
Bin Lia
,
Tae Seon Parka*
aSchool of Mechanical Engineeering, Kyungpook National University, Daegu 41566, Korea
*Corresponding Author
31 May 2025. pp. 33-47
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Abstract

The flow control capability of a manifold system is useful in various heat transfer applications. Based on the dividing and bifurcation types of conventional heat exchangers, two types of anti-parallel and parallel of inlet and outlet are proposed. To explore the best manifold, the effects of the inlet Reynolds number, the number of outlet branches, and the inlet position are numerically investigated for the flow maldistribution. For all manifold types, the equilibrium state of friction and momentum forces is observed and the outflow non-uniformity is mostly intensified by the increased number of outlet branches. However, the non-uniformity of the proposed two manifolds is improved with increasing Reynolds number. Also, it is observed that the even number of outlet branches is proper to the bifurcation type manifold. For anti-parallel type manifold of inlet and outlet, the maximum non-uniformity is improved by more than 70% due to the inlet position movement.

Keywords
Dividing manifold
Maximum non-uniformity
Pressure drop
Structural layout of inlet and outlet
Inlet position movement
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Information
  • Publisher :The Korean Society of Propulsion Engineers
  • Publisher(Ko) :한국추진공학회
  • Journal Title :Journal of Propulsion and Energy
  • Journal Title(Ko) :Free Open Access International Journal on Propulsion and Energy Science and Technology
  • Volume : 5
  • No :1
  • Pages :33-47
  • Received Date : 2025-01-24
  • Revised Date : 2025-03-14
  • Accepted Date : 2025-03-16
  • DOI :https://doi.org/10.6108/JPNE.2025.5.1.033
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