Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

REFLEAK: NIST Leak/Recharge Simulation Model for Refrigerant Blends, Version 5.0

Published

Author(s)

Piotr A. Domanski, J S. Brown

Abstract

As alternatives to refrigerants with a high global warming potential, blends of two or more refrigerants are being utilized as working fluids in heat-pumping, air-conditioning, and refrigeration systems, and organic Rankine cycles. Generally, these blends form zeotropes, which show temperature and composition changes during evaporation, condensation, or flashing process whether it be intended (i.e., through an expansion device) or unintended such as a leak from a container or system. For zeotropic blends, it may be important and necessary to predict the composition change for any of these leak conditions. REFLEAK simulates leak and recharge processes for refrigerant zeotropic blends. This Windows- based simulation model provides an easy-to-use package that allows estimation of composition changes of zeotropic blends in leak and recharge processes for either vapor or liquid leaks under isothermal or adiabatic conditions.
Citation
Natl Std. Ref. Data Series (NIST NSRDS) - 73
Report Number
73

Keywords

air conditioning, refrigerant blends, refrigerant leak, zeotropic mixtures

Citation

Domanski, P. and Brown, J. (2016), REFLEAK: NIST Leak/Recharge Simulation Model for Refrigerant Blends, Version 5.0, Natl Std. Ref. Data Series (NIST NSRDS), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.NSRDS.73 (Accessed July 12, 2024)

Issues

If you have any questions about this publication or are having problems accessing it, please contact reflib@nist.gov.

Created December 14, 2016, Updated November 10, 2018