### Abstract

A uniform coolant distribution in the manifold of a liquid cooling module is necessary to eliminate local hot spots in electronic packaging. A numerical study was conducted to determine the effects of the Reynolds number and width ratio D_{c}/D_{d} (defined as the ratio of the combining header width to the dividing header width) on the coolant distribution in a parallel flow manifold. Of the four width ratios (0.5, 1.0, 2.0, and 4.0), the maximum channel flow rate to the minimum channel flow rate was 1.2. Regardless of the width ratio, the flow distribution is strongly dependent on the Reynolds number. It is concluded that a proper combination of the Reynolds number, D_{c}/D_{d}, and the area ratio, AR, is required to produce a uniform flow distribution in a manifold.

Original language | English |
---|---|

Pages (from-to) | 607-617 |

Number of pages | 11 |

Journal | International Communications in Heat and Mass Transfer |

Volume | 20 |

Issue number | 5 |

Publication status | Published - 1993 Sep 1 |

Externally published | Yes |

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### ASJC Scopus subject areas

- Fluid Flow and Transfer Processes
- Engineering(all)
- Mechanical Engineering

### Cite this

*International Communications in Heat and Mass Transfer*,

*20*(5), 607-617.

**The effects of the Reynolds number and width ratio on the flow distribution in manifolds of liquid cooling modules for electronic packaging.** / Choi, Steve H.; Shin, Sehyun; Cho, Young I.

Research output: Contribution to journal › Article

*International Communications in Heat and Mass Transfer*, vol. 20, no. 5, pp. 607-617.

}

TY - JOUR

T1 - The effects of the Reynolds number and width ratio on the flow distribution in manifolds of liquid cooling modules for electronic packaging

AU - Choi, Steve H.

AU - Shin, Sehyun

AU - Cho, Young I.

PY - 1993/9/1

Y1 - 1993/9/1

N2 - A uniform coolant distribution in the manifold of a liquid cooling module is necessary to eliminate local hot spots in electronic packaging. A numerical study was conducted to determine the effects of the Reynolds number and width ratio Dc/Dd (defined as the ratio of the combining header width to the dividing header width) on the coolant distribution in a parallel flow manifold. Of the four width ratios (0.5, 1.0, 2.0, and 4.0), the maximum channel flow rate to the minimum channel flow rate was 1.2. Regardless of the width ratio, the flow distribution is strongly dependent on the Reynolds number. It is concluded that a proper combination of the Reynolds number, Dc/Dd, and the area ratio, AR, is required to produce a uniform flow distribution in a manifold.

AB - A uniform coolant distribution in the manifold of a liquid cooling module is necessary to eliminate local hot spots in electronic packaging. A numerical study was conducted to determine the effects of the Reynolds number and width ratio Dc/Dd (defined as the ratio of the combining header width to the dividing header width) on the coolant distribution in a parallel flow manifold. Of the four width ratios (0.5, 1.0, 2.0, and 4.0), the maximum channel flow rate to the minimum channel flow rate was 1.2. Regardless of the width ratio, the flow distribution is strongly dependent on the Reynolds number. It is concluded that a proper combination of the Reynolds number, Dc/Dd, and the area ratio, AR, is required to produce a uniform flow distribution in a manifold.

UR - http://www.scopus.com/inward/record.url?scp=0027657744&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0027657744&partnerID=8YFLogxK

M3 - Article

VL - 20

SP - 607

EP - 617

JO - International Communications in Heat and Mass Transfer

JF - International Communications in Heat and Mass Transfer

SN - 0735-1933

IS - 5

ER -