DOI: 10.1063/1.1742136. Thermal Accommodation Coefficient of Helium on a Bare Tungsten Surface

Thermal Accommodation Coefficient of Helium on a Bare Tungsten Surface

10.1063/1.1742136

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The accommodation coefficient of helium on a presumably clean tungsten surface is determined from 83° to 303°K. A getter technique is applied in which, after thorough baking of the tube and vacuum system, aluminum is evaporated in vacuum over the inner walls of the measuring tube. The technique appears to be superior to the circulation over charcoal used by Roberts. Clean surface values of the accommodation coefficient, found by linear extrapolation to time of flashing the filament, lie between 0.0151 and 0.0172 (with small positive corrections probably to be applied). The variation with temperature is small and the values themselves are much lower than any heretofore reported.

Bibliography

Thomas, L. B., & Schofield, E. B. (1955). Thermal Accommodation Coefficient of Helium on a Bare Tungsten Surface. The Journal of Chemical Physics, 23(5), 861â866.

Authors 2

Lloyd B. Thomas (first)
E. B. Schofield (additional)

References 8 Referenced 56

{'key': '2024020816094992400_r1', 'first-page': '518', 'volume': 'A142', 'year': '1953', 'journal-title': 'Proc. Roy. Soc. (London)'} / Proc. Roy. Soc. (London) (1953)
{'key': '2024020816094992400_r2', 'first-page': '776', 'volume': 'A146', 'year': '1934', 'journal-title': 'Proc. Roy. Soc. (London)'} / Proc. Roy. Soc. (London) (1934)
10.1039/tf9383401174 / Trans. Faraday Soc. (1938)
{'key': '2024020816094992400_r4', 'first-page': '305', 'volume': 'A201', 'year': '1950', 'journal-title': 'Proc. Roy. Soc. (London)'} / Proc. Roy. Soc. (London) (1950)
{'key': '2024020816094992400_r5', 'first-page': '266', 'volume': 'A213', 'year': '1952', 'journal-title': 'Proc. Roy. Soc. (London)'} / Proc. Roy. Soc. (London) (1952)
10.6028/jres.006.026 / J. Research Natl. Bur. Standards (1931)
{'key': '2024020816094992400_r7'}
{'key': '2024020816094992400_r8', 'first-page': '292', 'volume': '13', 'year': '1947', 'journal-title': 'Physica'} / Physica (1947)

Dates

Type	When
Created	20 years, 4 months ago (April 22, 2005, 1:26 p.m.)
Deposited	1 year, 6 months ago (Feb. 8, 2024, 12:18 p.m.)
Indexed	1 year, 6 months ago (Feb. 9, 2024, 7:38 a.m.)
Issued	70 years, 3 months ago (May 1, 1955)
Published	70 years, 3 months ago (May 1, 1955)
Published Print	70 years, 3 months ago (May 1, 1955)

Funders 0

None

BibTeX

@article{Thomas_1955, title={Thermal Accommodation Coefficient of Helium on a Bare Tungsten Surface}, volume={23}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1742136}, DOI={10.1063/1.1742136}, number={5}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Thomas, Lloyd B. and Schofield, E. B.}, year={1955}, month=may, pages={861–866} }

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