Single-beam thermal lens measurement of thermal diffusivity of engine coolants

被引：3

作者：

George, Nibu A. ^{[1
]}

Thomas, Nibu B. ^{[1
]}

Chacko, Kavya ^{[1
]}

Neethu, V. T. ^{[1
]}

Moidu, Haroon Hussain ^{[1
]}

Piyush, K. ^{[1
]}

David, Nitheesh M. ^{[1
]}

机构：

[1] Baselius Coll, Dept Phys, Kottayam 686001, Kerala, India

来源：

NONDESTRUCTIVE TESTING AND EVALUATION | 2015年 / 30卷 / 02期

关键词：

thermal diffusivity; thermal lens; engine coolants; thermal properties; SPECTROSCOPY; SAMPLES;

D O I：

10.1080/10589759.2015.1021254

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Automobile engine coolant liquids are commonly used for efficient heat transfer from the engine to the surroundings. In this work we have investigated the thermal diffusivity of various commonly available engine coolants in Indian automobile market. We have used single beam laser induced thermal lens technique for the measurements. Engine coolants are generally available in concentrated solution form and are recommended to use at specified dilution. We have investigated the samples in the entire recommended concentration range for the use in radiators. While some of the brands show an enhanced thermal diffusivity compared to pure water, others show slight decrease in thermal diffusivity.

引用

页码：165 / 170

页数：6

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