What is heat?

Volume 7, Issue 6, December 2022     |     PP. 244-258      |     PDF (243 K)    |     Pub. Date: December 11, 2022
DOI: 10.54647/physics14487    65 Downloads     4976 Views  

Author(s)

Minhua Chen, Zhejiang Normal University, Jinhua City, Zhejiang Province ; Shengcai Senior High School, Shenzhen City, Guangdong Province; Jianhu Senior High School, Shaoxing City, Zhejiang Province, P.R. China

Abstract
According to Aristole’s Categories, there are three kinds of concept, i.e. substance, quality and quantity in physics. With the question “What is heat?”we mean : is heat a substance, a quality or a quantity? Historically, heat was referred to a substance caloric. Now, it is prevailed that heat is a quantity Q, also called “the quantity of heat” or simply “heat”. In this paper, we propose that heat is neither a substance, nor a quantity, but a quality or a property we perceive. We even conclude that the quantity of heat is not the quantity Q, but the quantity caloric or entropy S.

Keywords
category; heat; quantity of heat; caloric; entropy

Cite this paper
Minhua Chen, What is heat? , SCIREA Journal of Physics. Volume 7, Issue 6, December 2022 | PP. 244-258. 10.54647/physics14487

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