Working principles of evaporative cooling

Jie Lin*, Kian Jon Chua

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Evaporative cooling is a clean and energy-efficient cooling technology that relies on the water’s latent heat of vaporization to cool the air. It has a long historical record for cooling applications before modern vapor-compression air conditioning was invented. Despite its history, there has not been a revolutionary change on evaporative cooling until the past century, where multiple designs of evaporative coolers were developed, tested and adopted. This chapter presents several key evaporative cooling technologies that have evolved, including direct, indirect, and dew-point evaporative cooling. Direct and conventional indirect evaporative cooling experience thermodynamic limits based on the air’s wet-bulb temperature, and hence have confined applications. To address this issue, an innovative indirect evaporative cooling, termed the dew-point evaporative cooling, has been proposed. Its unique feature of pre-cooling the air enables it to cool the air towards dew-point temperatures.
Original languageEnglish
Title of host publicationIndirect dew-point evaporative cooling: principles and applications
EditorsJie Lin , Kian Jon Chua
PublisherSpringer
Chapter2
Pages15-24
ISBN (Electronic)9783031307584
ISBN (Print)9783031307607, 9783031307577
DOIs
Publication statusPublished - 27 May 2023

Publication series

NameGreen Energy and Technology
ISSN (Print)1865-3529
ISSN (Electronic)1865-3537

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