THERMAL SCIENCE

International Scientific Journal

Shuo Lin

,

Jingyi Zhang

,

Xiaodong Wang

,

Yannan Li

,

Hanzhong Tao

A FEASIBILITY STUDY ON COOLING ASPHALT PAVEMENTS USING HEAT PIPE WATER COOLING METHOD

ABSTRACT
In hot weather, asphalt roads can suffer from plastic deformation due to high temperatures, causing ruts and reducing their lifespan. Heat pipes, efficient heat transfer devices, have the potential to cool asphalt roads. This study aims to assess their performance through a thermal resistance network model and numerical simulations. Results show that using heat pipes can reduce the average temperature of AC-16 C asphalt layers by 24.5°C and AC-25 C layers by 31°C. Closer spacing and lower cooling water temperature improve cooling. These findings are crucial for optimizing heat pipe cooling systems and improving asphalt road heat dissipation, benefiting road engineering.
KEYWORDS
Asphalt road surface cooling, heat pipe, solar radiation, Heat pipe thermal resistance model
PAPER SUBMITTED: 2024-03-08
PAPER REVISED: 2024-05-01
PAPER ACCEPTED: 2024-05-13
PUBLISHED ONLINE: 2024-07-13
DOI REFERENCE: https://doi.org/10.2298/TSCI240308150L
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2025, VOLUME 29, ISSUE Issue 1, PAGES [11 - 25]
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A feasibility study on cooling asphalt pavements using heat pipe water cooling method

2025 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence