Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling

Pulsating heat pipes have received growing attention from experimental and theoretical researchers in recent times. Behind its constructional simplicity lie the intriguingly complex thermo-hydrodynamic operational characteristics. Part A of this paper has presented the thermal performance results of...

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Main Authors: Khandekar S., Charoensawan P., Groll M., Terdtoon P.
Format: Article
Language:English
Published: 2014
Online Access:http://www.scopus.com/inward/record.url?eid=2-s2.0-0042515091&partnerID=40&md5=539999c04374d681e23c278c5064dab8
http://cmuir.cmu.ac.th/handle/6653943832/1440
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Institution: Chiang Mai University
Language: English
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spelling th-cmuir.6653943832-14402014-08-29T09:29:18Z Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling Khandekar S. Charoensawan P. Groll M. Terdtoon P. Pulsating heat pipes have received growing attention from experimental and theoretical researchers in recent times. Behind its constructional simplicity lie the intriguingly complex thermo-hydrodynamic operational characteristics. Part A of this paper has presented the thermal performance results of a fairly large matrix of closed loop pulsating heat pipes. This paper, which is an extension of the previous work, first presents some more visualization results to highlight the complexities involved in mathematical formulation of the modeling problem. The phenomenological trends recorded in the visualization set-up are fully inline with the previous quantitative data of Part A. Critical review of the existing modeling approaches to CLPHPs is presented in the wake of these results. A detailed discussion follows on the important issues involved in the mathematical modeling of these devices. Then, semi-empirical correlations based on non-dimensional numbers of interest for predicting the thermal performance of CLPHPs are presented. Although there are limitations of the models presented herein, modeling by non-dimensional numbers seems to be most promising as compared to other existing techniques. © 2003 Elsevier Ltd. All rights reserved. 2014-08-29T09:29:18Z 2014-08-29T09:29:18Z 2003 Article 13594311 10.1016/S1359-4311(03)00168-6 ATENF http://www.scopus.com/inward/record.url?eid=2-s2.0-0042515091&partnerID=40&md5=539999c04374d681e23c278c5064dab8 http://cmuir.cmu.ac.th/handle/6653943832/1440 English
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
language English
description Pulsating heat pipes have received growing attention from experimental and theoretical researchers in recent times. Behind its constructional simplicity lie the intriguingly complex thermo-hydrodynamic operational characteristics. Part A of this paper has presented the thermal performance results of a fairly large matrix of closed loop pulsating heat pipes. This paper, which is an extension of the previous work, first presents some more visualization results to highlight the complexities involved in mathematical formulation of the modeling problem. The phenomenological trends recorded in the visualization set-up are fully inline with the previous quantitative data of Part A. Critical review of the existing modeling approaches to CLPHPs is presented in the wake of these results. A detailed discussion follows on the important issues involved in the mathematical modeling of these devices. Then, semi-empirical correlations based on non-dimensional numbers of interest for predicting the thermal performance of CLPHPs are presented. Although there are limitations of the models presented herein, modeling by non-dimensional numbers seems to be most promising as compared to other existing techniques. © 2003 Elsevier Ltd. All rights reserved.
format Article
author Khandekar S.
Charoensawan P.
Groll M.
Terdtoon P.
spellingShingle Khandekar S.
Charoensawan P.
Groll M.
Terdtoon P.
Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling
author_facet Khandekar S.
Charoensawan P.
Groll M.
Terdtoon P.
author_sort Khandekar S.
title Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling
title_short Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling
title_full Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling
title_fullStr Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling
title_full_unstemmed Closed loop pulsating heat pipes - Part B: Visualization and semi-empirical modeling
title_sort closed loop pulsating heat pipes - part b: visualization and semi-empirical modeling
publishDate 2014
url http://www.scopus.com/inward/record.url?eid=2-s2.0-0042515091&partnerID=40&md5=539999c04374d681e23c278c5064dab8
http://cmuir.cmu.ac.th/handle/6653943832/1440
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