GESL

Keio University

Graduate School of Media and Governance / Graduate School of Science and Technology

Global Environmental System Leaders Program

慶應義塾大学大学院 政策・メディア研究科/理工学研究科 グローバル環境システムリーダープログラム

Keio University

Graduate School of Media and Governance / Graduate School of Science and Technology

Global Environmental System Leaders Program

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KEIO
JP EN
KEIO

2013年度第3回GESLコロキウム開催

GESL 3rd Colloquium 2013, August Session

 

下記の日程で、第3回GESLコロキウムを開催致しますので、ぜひご出席下さい。

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【 第3回 GESLコロキウム 】

 日時: 平成25年8月26日(月)16:30~18:00
 場所:  厚生棟大会議室
 講演者: Sang Yong Lee 教授
            Korea Advanced Institute of Science and Technology(KAIST)
 講演題目:Quick Estimation of Frost Formation Using the Thermal Network Analysis Technique
 研究のご関心:Two-Phase Flow, Phase-Change Heat Transfer, Atomization/Spray Technology


  対象:慶應義塾大学教員・学生であれば誰でも可

【 Sang Yong Lee教授のご経歴 】
 1979~1982年       ノースウェスタン大学大学院機械工学科博士取得
 1982年から現在     KAIST機械工学部教授

   ※詳しい経歴については こちら

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Abstract of the Speech:
Performance of evaporators is seriously deteriorated by formation and
growth of frost on the cold surface. In thispresentation, the concept of the thermal network analysis is going to be
briefly introduced and validity of the technique in predicting the frost growth on cold fins aligned in parallel will be discussed. Variations of the air and the frost layer temperatures along the flow direction were obtained with the mass transfer of water vapor from the air to the frost surface taken into account based on the heat-mass transfer analogy. Then, the time variations of the thickness, density and the surface temperature of the frost layer could be predicted, which agree reasonably well with the measured results. Although the thermal network analysis
shows somewhat lower accuracy compared with that of the full CFD (Computational Fluid Dynamics) analysis, the technique is much simpler and cost-effective to use. However, to secure the accuracy of the technique, proper choice of the heat and the mass transfer correlations is considered to be essential.
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できるだけ多くの方に参加して頂ければと思います。
GESLにご関心をお持ちの学生が周りにいましたら、どうぞお誘い下さい。
よろしくお願い致します。

August Session of GESL 3rd Colloquium 2013 will be held in Yagami Campus on August 26, 2013.

Please refer to the following for the details.

 

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[Date] Monday, August 26, 2013

[Time] 16:30 - 20:00

[Venue] Kosei Dai Kaigishitsu (Kosei Large Conference Room) , Yagami Campus, Keio University

[Gust Speaker]

Prof.Sang Yong Lee, Korea Advanced Institute of Science and Technology(KAIST)

[Subject]  Quick Estimation of Frost Formation Using the Thermal Network Analysis Technique

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