working fluid

noun

Definition of working fluid 

: a fluid working substance

Examples of working fluid in a Sentence

Recent Examples on the Web

Sunlight is used to heat up a working fluid at the mirrors' focus. John Timmer, Ars Technica, "New material could up efficiency of concentrated solar power," 19 Oct. 2018 But the biggest leap here is using carbon dioxide rather than steam as the working fluid. David Roberts, Vox, "That natural gas power plant with no carbon emissions or air pollution? It works.," 1 June 2018 In some plants, sunlight is directed toward a large central thermal tower that heats up quickly and boils a working fluid inside. Megan Geuss, Ars Technica, "Here are humanity’s best ideas on how to store energy," 28 Oct. 2017 It is then stored at 566 degrees Celsius (1,050 degrees Fahrenheit) and used to transfer heat through a heat exchanger to a working fluid that spins a conventional turbine, generating electricity. Megan Geuss, Ars Technica, "Pumping liquid metal at 1,400°C opens the door for better solar thermal systems," 13 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'working fluid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of working fluid

1878, in the meaning defined above

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Last Updated

16 Nov 2018

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The first known use of working fluid was in 1878

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