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

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

Research output: Contribution to journalArticle

4 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 languageEnglish
Pages (from-to)219-223
Number of pages5
JournalChemical Physics Letters
Volume384
Issue number4-6
DOIs
Publication statusPublished - Jan 26 2004

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Gases
Ions
hypersonic combustion
Hypersonic aerodynamics
Steam
nonpolar gases
gases
ion injection
arrivals
water vapor
depletion
dipoles
ions
interactions

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

Mobility of t-C4H9 + in polar and nonpolar atmospheric gases. / Haber, Louis H.; Husband, John; Plenge, Jürgen; Leone, Stephen R.

In: Chemical Physics Letters, Vol. 384, No. 4-6, 26.01.2004, p. 219-223.

Research output: Contribution to journalArticle

Haber, Louis H. ; Husband, John ; Plenge, Jürgen ; Leone, Stephen R. / Mobility of t-C4H9 + in polar and nonpolar atmospheric gases. In: Chemical Physics Letters. 2004 ; Vol. 384, No. 4-6. pp. 219-223.
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