Mobility of t-C4H9+ in polar and nonpolar atmospheric gases

Louis H. Haber; John Husband; Jürgen Plenge; Stephen R. Leone

doi:10.1016/j.cplett.2003.11.111

Mobility of t-C₄H₉⁺ in polar and nonpolar atmospheric gases

Louis H. Haber, John Husband, Jürgen Plenge, Stephen R. Leone^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The reduced zero-field mobilities of t-C₄H₉ ⁺ drifting in He, N₂, O₂ and H₂O are measured by ion depletion arrival time analysis to be 14.8±0.6, 3.7±0.8, 3.3±0.8 and 0.04±0.02 cm² V ^-1 s^-1, respectively. The mobilities are relatively constant with varying drift fields in the three nonpolar gases, but increase significantly with increasing drift field in water vapor, demonstrating the large difference between polar and nonpolar interaction potentials on the mobility of t-C₄H₉⁺. The results are compared to locked-dipole calculations. The relevance towards better modeling of hypersonic combustion and ion-injection processes is also discussed.

Original language	English
Pages (from-to)	219-223
Number of pages	5
Journal	Chemical Physics Letters
Volume	384
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2003.11.111
Publication status	Published - Jan 26 2004
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/j.cplett.2003.11.111

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title = "Mobility of t-C4H9+ in polar and nonpolar atmospheric gases",

abstract = "The reduced zero-field mobilities of t-C4H9 + drifting in He, N2, O2 and H2O are measured by ion depletion arrival time analysis to be 14.8±0.6, 3.7±0.8, 3.3±0.8 and 0.04±0.02 cm2 V -1 s-1, respectively. The mobilities are relatively constant with varying drift fields in the three nonpolar gases, but increase significantly with increasing drift field in water vapor, demonstrating the large difference between polar and nonpolar interaction potentials on the mobility of t-C4H9+. The results are compared to locked-dipole calculations. The relevance towards better modeling of hypersonic combustion and ion-injection processes is also discussed.",

author = "Haber, {Louis H.} and John Husband and J{\"u}rgen Plenge and Leone, {Stephen R.}",

note = "Funding Information: The authors gratefully acknowledge the support of the Air Force Office of Scientific Research through a subcontract from the University of Colorado. The authors thank Shuji Kato and Veronica Bierbaum for valuable and extensive discussions. Some measurements utilized equipment on loan from the National Institute of Standards and Technology.",

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doi = "10.1016/j.cplett.2003.11.111",

language = "English",

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journal = "Chemical Physics Letters",

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TY - JOUR

T1 - Mobility of t-C4H9+ in polar and nonpolar atmospheric gases

AU - Haber, Louis H.

AU - Husband, John

AU - Plenge, Jürgen

AU - Leone, Stephen R.

N1 - Funding Information: The authors gratefully acknowledge the support of the Air Force Office of Scientific Research through a subcontract from the University of Colorado. The authors thank Shuji Kato and Veronica Bierbaum for valuable and extensive discussions. Some measurements utilized equipment on loan from the National Institute of Standards and Technology.

PY - 2004/1/26

Y1 - 2004/1/26

N2 - The reduced zero-field mobilities of t-C4H9 + drifting in He, N2, O2 and H2O are measured by ion depletion arrival time analysis to be 14.8±0.6, 3.7±0.8, 3.3±0.8 and 0.04±0.02 cm2 V -1 s-1, respectively. The mobilities are relatively constant with varying drift fields in the three nonpolar gases, but increase significantly with increasing drift field in water vapor, demonstrating the large difference between polar and nonpolar interaction potentials on the mobility of t-C4H9+. The results are compared to locked-dipole calculations. The relevance towards better modeling of hypersonic combustion and ion-injection processes is also discussed.

AB - The reduced zero-field mobilities of t-C4H9 + drifting in He, N2, O2 and H2O are measured by ion depletion arrival time analysis to be 14.8±0.6, 3.7±0.8, 3.3±0.8 and 0.04±0.02 cm2 V -1 s-1, respectively. The mobilities are relatively constant with varying drift fields in the three nonpolar gases, but increase significantly with increasing drift field in water vapor, demonstrating the large difference between polar and nonpolar interaction potentials on the mobility of t-C4H9+. The results are compared to locked-dipole calculations. The relevance towards better modeling of hypersonic combustion and ion-injection processes is also discussed.

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 4-6

ER -

Mobility of t-C₄H₉⁺ in polar and nonpolar atmospheric gases

Abstract

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