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Displaying 1 - 25 of 87

Non-flammable Low-GWP Refrigerant Blends to Replace HFC-134a

September 11, 2023
Author(s)
Harrison M. Skye, Piotr A. Domanski, Mark O. McLinden, Valeri I. Babushok, Ian Bell, Tara Fortin, Michael Hegetschweiler, Mark A. Kedzierski, Dennis Kim, Lingnan Lin, Gregory T. Linteris, Stephanie L. Outcalt, Vance (Wm.) Payne, Richard A. Perkins, Aaron Rowane
Non-flammable, lower global-warming-potential (GWP) refrigerants are needed to replace HFC-134a (GWP=1300) in military equipment. We previously used thermodynamic cycle simulations to screen 100 000+ refrigerant blends and identified 23 candidate

Lower-GWP Non-Flammable Refrigerant Blends to Replace HFC-134a

August 21, 2023
Author(s)
Harrison M. Skye, Piotr A. Domanski, Mark O. McLinden, Valeri I. Babushok, Ian Bell, Tara Fortin, Michael Hegetschweiler, Marcia L. Huber, Mark A. Kedzierski, Dennis Kim, Lingnan Lin, Gregory T. Linteris, Stephanie L. Outcalt, Vance (Wm.) Payne, Richard A. Perkins, Aaron Rowane
Non-flammable, lower global-warming-potential (GWP) refrigerants are needed to replace HFC-134a (GWP=1300) in military equipment. We previously used thermodynamic cycle simulations to screen 100 000+ refrigerant blends and identified 23 candidate

Low-GWP Non-Flammable Alternative Refrigerant Blends for HFC-134a: Final Report

January 27, 2023
Author(s)
Piotr A. Domanski, Mark O. McLinden, Valeri I. Babushok, Ian Bell, Tara Fortin, Michael Hegetschweiler, Marcia L. Huber, Mark A. Kedzierski, Dennis Kim, Lingnan Lin, Gregory T. Linteris, Stephanie L. Outcalt, Vance (Wm.) Payne, Richard A. Perkins, Aaron Rowane, Harrison M. Skye
This project addresses the objectives of the Statement of Need number WPSON-17-20 "No/Low Global Warming Potential Alternatives to Ozone Depleting Refrigerants." Its goal was to identify low global-warming-potential (GWP), non-flammable refrigerants to

Bubble Point Measurements of Mixtures of HFO and HFC Refrigerants

November 1, 2021
Author(s)
Stephanie L. Outcalt, Aaron Rowane
Bubble point pressures of six binary mixtures at two compositions each have been measured utilizing a static method. The performance of the apparatus was characterized from bubble point measurements of R32 + R125 for which 19 literature studies are

Low-GWP Alternative Refrigerant Blends for HFC-134a: Interim Report

October 13, 2021
Author(s)
Piotr A. Domanski, Mark O. McLinden, Valeri I. Babushok, Ian Bell, Tara Fortin, Michael Hegetschweiler, Mark A. Kedzierski, Dennis Kim, Lingnan Lin, Gregory T. Linteris, Stephanie L. Outcalt, Richard A. Perkins, Aaron Rowane, Harrison M. Skye
This project addresses the objectives of the Statement of Need number WPSON-17-20 "No/Low Global Warming Potential Alternatives to Ozone Depleting Refrigerants." Its goal is to identify and demonstrate performance of low global-warming-potential (GWP), non

Thermophysical Properties of Polyol Ester Lubricants

August 20, 2019
Author(s)
Thomas J. Bruno, Tara Fortin, Marcia L. Huber, Arno D. Laesecke, Eric Lemmon, Elisabeth Mansfield, Mark O. McLinden, Stephanie L. Outcalt, Richard A. Perkins, Kimberly N. Urness, Jason A. Widegren
This report summarizes the results of work performed for the Naval Air Warfare Center Aircraft Division by the National Institute of Standards and Technology (NIST), Applied Chemicals and Materials Division on the properties of polyol ester lubricants

Density and Viscosity Measurements of a 50/50 JP-10 + Terpene Mixture

March 9, 2018
Author(s)
Stephanie L. Outcalt, Tara J. Fortin
Densities of a 50/50 by volume mixture of JP-10 + a turpentine dimer fuel (TDF) have been measured in the compressed-liquid state from 270 K to 470 K, and 0.5 MPa to 45 MPa and at ambient pressure from 263.15 K to 373.15 K. Ambient pressure dynamic

Compressed-liquid Density Measurements of Four Polyol Ester-Based Lubricants

March 6, 2018
Author(s)
Stephanie L. Outcalt
A vibrating-tube densimeter has been used to measure compressed-liquid densities of the fluids pentaerythritol tetrapentanoate (PEC5), pentaerythritol tetraheptanoate (PEC7), pentaerythritol tetranonanoate (PEC9), and a commercial lubricant, Royco 899 from

Compressed-Liquid Densities of Three Reference Fuels for Combustion Testing

September 19, 2016
Author(s)
Stephanie L. Outcalt
Compressed-liquid densities of three aviation fuels have been measured with a vibrating-tube densimeter. The measurements were made from 270 K to 470 K, and 0.5 MPa to 45 MPa and have an overall combined uncertainty of 0.81 kg.m-3. The data from each of