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A Method to Determine the Pressure Dependent Distortion of a Simple Piston Gage Based on Dimensional Metrology

Published online by Cambridge University Press:  21 February 2011

B.E. Welch  and
Vern E. Bean
B.E. Welch
Affiliation:
Center for Absolute Physical Quantities, National Bureau of Standards, Washington, D.C. 20234
Vern E. Bean
Affiliation:
Center for Absolute Physical Quantities, National Bureau of Standards, Washington, D.C. 20234
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Abstract

Elastic distortion of the piston and cylinder is the leading cause of inaccuracy in piston gages at higher pressures. The distortion depends upon the pressure profile between the piston and the cylinder. One possible method of determining the pressure profile is demonstrated.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 22: Symposium NY – High Pressure in Science and Technology , 1983 , 261
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

[1] Heydemann, P.L.M., Welch, B.E.: Piston Gages. In: Experimental Thermodynamics. Volume II: Experimental Thermodynamics of Non-reacting Fluids. Le Neindre, B. and Vodar, B., editors, (Butterworths, London, 1975) pp. 147–202.CrossRefGoogle Scholar
[2] Lewis, S., Peggs, G.N.: The Pressure Balance: A Practical Guide to Its Use. (National Physical Laboratory, Teddington, England 1979).Google Scholar
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[4] Johnson, D.P., Newhall, D.H.: Trans. ASME 75, 301–310 (1953).Google Scholar
[5] Bass, A.H.: J. Phys. E. Sci. Instrum. 11, 682–688 (1978).Google Scholar