Backtalk 1/19/2012

Jan. 19, 2012
Carrier Corp., Farmington, Conn., a leader in heating, air conditioning, and refrigeration industry, recently celebrated the 100th Anniversary of the Rational Psychrometric Formulae— the cornerstone of all fundamental calculations in the air-conditioning industry

Air-conditioning fundamentals

Carrier Corp., Farmington, Conn., a leader in heating, air conditioning, and refrigeration industry, recently celebrated the 100th Anniversary of the Rational Psychrometric Formulae— the cornerstone of all fundamental calculations in the air-conditioning industry.

Willis Carrier, founder of Carrier, invented modern air conditioning in 1902. Less than a decade later, Carrier wrote the single most famous and enduring document ever prepared on air conditioning, the “Rationale Psychrometric Formulae.” Called the Magna Carta of Psychrometrics, the document determines the precise correlation between temperature and humidity to create a comfortable year-round environment.

On December 8, 1911, Carrier presented the formulae at the annual meeting of the American Society of Mechanical Engineers and initiated the field of scientific air-conditioning design.

Carrier’s work continues to impact the next generation of engineers, who learn the formulae as part of their coursework.

© 2012 Penton Media, Inc.

Sponsored Recommendations

April 16, 2025
Clean. Compact. Less heat.
April 16, 2025
SEW-EURODRIVE Introduces DR2C motor, IE5 Ultra-Premium Efficiency Motor
March 31, 2025
Unlike passive products - made of simple carbon springs - the bionic prostheses developed by Revival Bionics are propulsive, equipped with a motor and an artificial Achilles tendon...
March 31, 2025
Electric drives are a key technology for the performance of machines, robots, and power tools. Download this guide for an introduction to high-quality mechatronic drive systems...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!