Kinetics studies of radical-radical reactions (I): The NO2 + N2H3 system

Hongyan Sun; Ghanshyam L. Vaghjiani; Steven D. Chambreau; Adam Schenk; Chung K. Law

Kinetics studies of radical-radical reactions (I): The NO₂ + N₂H₃ system

Hongyan Sun, Ghanshyam L. Vaghjiani, Steven D. Chambreau, Adam Schenk, Chung K. Law

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The state-of-the-art hypergol combination currently used in the US for many space propulsion applications consists of monomethyl hydrazine, as the fuel, and nitrogen tetroxide, as the oxidizer. The Air Force Research Laboratory is developing new hypergolic fuels which will provide enhanced performance capabilities as well as improved affordability and efficiency. Furthermore, handling of these new hypergolic fuels is also expected to have a much smaller logistical footprint due to the fact that they are being designed to be environmentally benign. However, practical realization of these hypergols in spacecraft propulsion systems will only come after attaining a satisfactory understanding of how to optimize their combustion characteristics in relevant operating environments. Here we report theoretical results obtained on the prototypical radical-radical reaction: NO₂ + N₂H₃, and the progress made towards building an apparatus consisting of laser photolysis/fast flow-tube reactor coupled to a mass spectrometer for investigating the kinetics of this elementary reaction.

Original language	English (US)
Title of host publication	Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting
Publisher	Western States Section/Combustion Institute
Pages	41-47
Number of pages	7
ISBN (Electronic)	9781629935843
State	Published - 2013
Event	Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 - Fort Collins, United States Duration: Oct 7 2013 → Oct 8 2013

Publication series

Name	Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting

Other

Other	Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013
Country/Territory	United States
City	Fort Collins
Period	10/7/13 → 10/8/13

All Science Journal Classification (ASJC) codes

General Chemical Engineering
Physical and Theoretical Chemistry
Mechanical Engineering

Keywords

Hypergolic
Kinetics
Mechanism
NH
Propellants

Cite this

Sun, H., Vaghjiani, G. L., Chambreau, S. D., Schenk, A., & Law, C. K. (2013). Kinetics studies of radical-radical reactions (I): The NO₂ + N₂H₃ system. In Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting (pp. 41-47). (Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting). Western States Section/Combustion Institute.

Sun, Hongyan ; Vaghjiani, Ghanshyam L. ; Chambreau, Steven D. et al. / Kinetics studies of radical-radical reactions (I) : The NO₂ + N₂H₃ system. Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting. Western States Section/Combustion Institute, 2013. pp. 41-47 (Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting).

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abstract = "The state-of-the-art hypergol combination currently used in the US for many space propulsion applications consists of monomethyl hydrazine, as the fuel, and nitrogen tetroxide, as the oxidizer. The Air Force Research Laboratory is developing new hypergolic fuels which will provide enhanced performance capabilities as well as improved affordability and efficiency. Furthermore, handling of these new hypergolic fuels is also expected to have a much smaller logistical footprint due to the fact that they are being designed to be environmentally benign. However, practical realization of these hypergols in spacecraft propulsion systems will only come after attaining a satisfactory understanding of how to optimize their combustion characteristics in relevant operating environments. Here we report theoretical results obtained on the prototypical radical-radical reaction: NO2 + N2H3, and the progress made towards building an apparatus consisting of laser photolysis/fast flow-tube reactor coupled to a mass spectrometer for investigating the kinetics of this elementary reaction.",

keywords = "Hypergolic, Kinetics, Mechanism, NH, Propellants",

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booktitle = "Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting",

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Sun, H, Vaghjiani, GL, Chambreau, SD, Schenk, A & Law, CK 2013, Kinetics studies of radical-radical reactions (I): The NO₂ + N₂H₃ system. in Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting. Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting, Western States Section/Combustion Institute, pp. 41-47, Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013, Fort Collins, United States, 10/7/13.

Kinetics studies of radical-radical reactions (I): The NO₂ + N₂H₃ system. / Sun, Hongyan; Vaghjiani, Ghanshyam L.; Chambreau, Steven D. et al.
Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting. Western States Section/Combustion Institute, 2013. p. 41-47 (Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - The state-of-the-art hypergol combination currently used in the US for many space propulsion applications consists of monomethyl hydrazine, as the fuel, and nitrogen tetroxide, as the oxidizer. The Air Force Research Laboratory is developing new hypergolic fuels which will provide enhanced performance capabilities as well as improved affordability and efficiency. Furthermore, handling of these new hypergolic fuels is also expected to have a much smaller logistical footprint due to the fact that they are being designed to be environmentally benign. However, practical realization of these hypergols in spacecraft propulsion systems will only come after attaining a satisfactory understanding of how to optimize their combustion characteristics in relevant operating environments. Here we report theoretical results obtained on the prototypical radical-radical reaction: NO2 + N2H3, and the progress made towards building an apparatus consisting of laser photolysis/fast flow-tube reactor coupled to a mass spectrometer for investigating the kinetics of this elementary reaction.

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BT - Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting

PB - Western States Section/Combustion Institute

Y2 - 7 October 2013 through 8 October 2013

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Sun H, Vaghjiani GL, Chambreau SD, Schenk A, Law CK. Kinetics studies of radical-radical reactions (I): The NO₂ + N₂H₃ system. In Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting. Western States Section/Combustion Institute. 2013. p. 41-47. (Fall Technical Meeting of the Western States Section of the Combustion Institute, WSS/CI 2013 Fall Meeting).