Improved Design With Noncylindrical Profiles of Gas-Lubricated Ringless Pistons-Reference-Cited by-同舟云学术

Improved Design With Noncylindrical Profiles of Gas-Lubricated Ringless Pistons

Published:1995-01-01 Issue:1 Volume:117 Page:143-147
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Etsion I.¹,Gommed K.¹

Affiliation:

1. Department of Mechanical Engineering, Technion, Haifa 32000, Israel

Abstract

This paper describes the results of a search for an optimum profile that will maximize the dynamic stability of gas lubricated ringless pistons. Previous work indicated that the common cylindrical piston design is not the best choice for this purpose. Many noncylindrical profiles were investigated for ringless pistons used in helium gas cryocoolers. An improved design was found that considerably extends the range of stable operation of these systems.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/117/1/143/5606386/143_1.pdf

Reference6 articles.

1. Gommed K. , and EtsionI., 1992, “Dynamic Analysis of Gas Lubricated Reciprocating Ringless Pistons—Basic Modeling,” ASME JOURNAL OF TRIBOLOGY, Vol. 115, pp. 207–214.

2. Gommed K. , and EtsionI., 1994, “Parametric Study of the Dynamic Performance of Gas Lubricated Ringless Pistons,” ASME JOURNAL OF TRIBOLOGY, Vol. 116, No. 1, pp. 63–69.

3. Mourelatos Z. P. , 1988a, “Gas Lubrication of a Ringless Piston in an Internal Combustion Engine Under Dynamic Loading,” ASME JOURNAL OF TRIBOLOGY, Vol. 110, pp. 718–726.

4. Mourelatos, Z. P., 1988b, “Trajectory of a Ringless Piston Within the Cylinder of an Internal Combustion Engine with a Crosshead Design,” SAE Paper 880194.

5. Mourelatos, Z. P., 1990, “Side Load Capacity of an Unlubricated Ringless Piston,” SAE Paper 900688.

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