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Titolo:
Closed-loop pulsating heat pipe
Autore:
Tong, BY; Wong, TN; Ooi, KT;
Indirizzi:
Nanyang Technol Univ, Sch Mech & Prod Engn, Singapore 639798, Singapore Nanyang Technol Univ Singapore Singapore 639798 gapore 639798, Singapore
Titolo Testata:
APPLIED THERMAL ENGINEERING
fascicolo: 18, volume: 21, anno: 2001,
pagine: 1845 - 1862
SICI:
1359-4311(200112)21:18<1845:CPHP>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Keywords:
pulsating; heat pipe; capillary; thermal management; slug; plug; flow visualization;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Wong, TN Nanyang Technol Univ, Sch Mech & Prod Engn, Nanyang Ave, Singapore 639798,Singapore Nanyang Technol Univ Nanyang Ave Singapore Singapore 639798 pore
Citazione:
B.Y. Tong et al., "Closed-loop pulsating heat pipe", APPL TH ENG, 21(18), 2001, pp. 1845-1862

Abstract

Flow visualization was conducted for the closed-loop pulsating heat pipe (PHP) using a charge coupled device (CCD). It was observed that during the start-up period, the working fluid oscillates with large amplitude, however,at steady operating state, the working fluid circulates. The direction of circulation for the working fluid is consistent once circulation is attained, but the direction of circulation can be different for the same experimental run. Phenomena such as nucleation boiling, coalescence of bubbles, formation of slug and propagation of inertia wave were observed in the closed-loop PHP. The findings showed that the meandering bends, uneven slug and plug distribution and non-concurrent boiling at the evaporator contributed to the driving and restoring forces for fluid circulation and oscillations. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/01/20 alle ore 14:50:40