Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic Equipment
We present an experimental investigation of the effect of ultrasound application to increase the heat-transfer coefficient for natural convection of a dielectric fluid. An experimental analysis is carried out to estimate the increase of the convective heat-transfer coefficient between an electronic...
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MDPI AG
2020-05-01
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Online Access: | https://www.mdpi.com/2624-599X/2/2/17 |
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doaj-fe6ccd407eda4f9e9a669f733b8586272020-11-25T03:10:13ZengMDPI AGAcoustics2624-599X2020-05-0121727929210.3390/acoustics2020017Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic EquipmentCarlo Bartoli0Alessandro Franco1Massimo Macucci2Department of Energy, Systems, Territory and Constructions Engineering (DESTEC), University of Pisa, 56122 Pisa, ItalyDepartment of Energy, Systems, Territory and Constructions Engineering (DESTEC), University of Pisa, 56122 Pisa, ItalyDepartment of Information Engineering (DII), University of Pisa, 56122 Pisa, ItalyWe present an experimental investigation of the effect of ultrasound application to increase the heat-transfer coefficient for natural convection of a dielectric fluid. An experimental analysis is carried out to estimate the increase of the convective heat-transfer coefficient between an electronic board and a refrigerant fluid, the Fluorinert Electronic Fluid FC-72. For this purpose, an experimental apparatus composed of an electronic board, its electronic control circuit, and data acquisition systems have been designed and implemented. The data collected appear to confirm in some situations of practical interest the enhancement effect of the convective heat-transfer coefficient in connection with the use of ultrasound. The most favorable condition was observed with the fluid in quite low subcooled conditions.https://www.mdpi.com/2624-599X/2/2/17heat transfer enhancementacoustic fieldsvibrationsthermo-fluid dynamicsexperimental analysissubcooled liquid |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Carlo Bartoli Alessandro Franco Massimo Macucci |
spellingShingle |
Carlo Bartoli Alessandro Franco Massimo Macucci Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic Equipment Acoustics heat transfer enhancement acoustic fields vibrations thermo-fluid dynamics experimental analysis subcooled liquid |
author_facet |
Carlo Bartoli Alessandro Franco Massimo Macucci |
author_sort |
Carlo Bartoli |
title |
Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic Equipment |
title_short |
Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic Equipment |
title_full |
Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic Equipment |
title_fullStr |
Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic Equipment |
title_full_unstemmed |
Ultrasounds Used as Promoters of Heat-Transfer Enhancement of Natural Convection in Dielectric Fluids for the Thermal Control of Electronic Equipment |
title_sort |
ultrasounds used as promoters of heat-transfer enhancement of natural convection in dielectric fluids for the thermal control of electronic equipment |
publisher |
MDPI AG |
series |
Acoustics |
issn |
2624-599X |
publishDate |
2020-05-01 |
description |
We present an experimental investigation of the effect of ultrasound application to increase the heat-transfer coefficient for natural convection of a dielectric fluid. An experimental analysis is carried out to estimate the increase of the convective heat-transfer coefficient between an electronic board and a refrigerant fluid, the Fluorinert Electronic Fluid FC-72. For this purpose, an experimental apparatus composed of an electronic board, its electronic control circuit, and data acquisition systems have been designed and implemented. The data collected appear to confirm in some situations of practical interest the enhancement effect of the convective heat-transfer coefficient in connection with the use of ultrasound. The most favorable condition was observed with the fluid in quite low subcooled conditions. |
topic |
heat transfer enhancement acoustic fields vibrations thermo-fluid dynamics experimental analysis subcooled liquid |
url |
https://www.mdpi.com/2624-599X/2/2/17 |
work_keys_str_mv |
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_version_ |
1724659836120989696 |