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Title: :  Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings
PaperId: :  1529
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 2 Issue 1 2016
DUI:    16.0415/IJARIIE-1529
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Rohollah ShafaeiYazd University
Mohammad Hadi ShafaeiShiraz University

Abstract

Mechanical Engineering
surface roughness, Tsann method, finite element, micro polar fluids, two-lobe bearings
In the lubrication theories, the bearing surfaces are generally considered as smooth and without any roughness but actually these are not accurate. In order to find the bearing performance parameters it is required to solve the lubrication equation. Without necessary simplifications, solving such equation is terribly difficult. By adding the roughness effects to the problem, the necessity of using numerical methods become more obvious. The surface irregularities play an important role in the bearing mechanical behaviors. Such roughness, cause conversion in lubricated film thickness that effect on lubrication parameters. The considered fluids in this investigation were incompressible micro polar fluids that contain ingredients, which will endure the physical stresses and moments. In this article, using the finite element method, the effects of surface roughness on the lubrication of two-lobe bearings performance were proposed. Roughness numerical modeling was approached by the Tsann method. At first, the computer program had been written for the smooth case and then the program was developed for the bearings with roughness on their surfaces. The problem was resolved for two different surface profiles and the results were compared. The results indicate that considering the thickness of lubricant layer with the Tsann roughness theory will increase the pressure distribution and load carrying capacity but it reduce the coefficient of friction and side leakage flow.

Citations

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IJARIIE Rohollah Shafaei, and Mohammad Hadi Shafaei. "Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings" International Journal Of Advance Research And Innovative Ideas In Education Volume 2 Issue 1 2016 Page 163-173
MLA Rohollah Shafaei, and Mohammad Hadi Shafaei. "Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings." International Journal Of Advance Research And Innovative Ideas In Education 2.1(2016) : 163-173.
APA Rohollah Shafaei, & Mohammad Hadi Shafaei. (2016). Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings. International Journal Of Advance Research And Innovative Ideas In Education, 2(1), 163-173.
Chicago Rohollah Shafaei, and Mohammad Hadi Shafaei. "Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings." International Journal Of Advance Research And Innovative Ideas In Education 2, no. 1 (2016) : 163-173.
Oxford Rohollah Shafaei, and Mohammad Hadi Shafaei. 'Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings', International Journal Of Advance Research And Innovative Ideas In Education, vol. 2, no. 1, 2016, p. 163-173. Available from IJARIIE, http://ijariie.com/AdminUploadPdf/Effects_of_Micro_polar_Fluids_and_the_Tsann_Roughness_Model_on_Performance_Characteristics_of_Two_lobe_Bearings_ijariie1529.pdf (Accessed : 18 October 2023).
Harvard Rohollah Shafaei, and Mohammad Hadi Shafaei. (2016) 'Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings', International Journal Of Advance Research And Innovative Ideas In Education, 2(1), pp. 163-173IJARIIE [Online]. Available at: http://ijariie.com/AdminUploadPdf/Effects_of_Micro_polar_Fluids_and_the_Tsann_Roughness_Model_on_Performance_Characteristics_of_Two_lobe_Bearings_ijariie1529.pdf (Accessed : 18 October 2023)
IEEE Rohollah Shafaei, and Mohammad Hadi Shafaei, "Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings," International Journal Of Advance Research And Innovative Ideas In Education, vol. 2, no. 1, pp. 163-173, Jan-Feb 2016. [Online]. Available: http://ijariie.com/AdminUploadPdf/Effects_of_Micro_polar_Fluids_and_the_Tsann_Roughness_Model_on_Performance_Characteristics_of_Two_lobe_Bearings_ijariie1529.pdf [Accessed : 18 October 2023].
Turabian Rohollah Shafaei, and Mohammad Hadi Shafaei. "Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 2 number 1 (18 October 2023).
Vancouver Rohollah Shafaei, and Mohammad Hadi Shafaei. Effects of Micro-polar Fluids and the Tsann Roughness Model on Performance Characteristics of Two-lobe Bearings. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2016 [Cited : 18 October 2023]; 2(1) : 163-173. Available from: http://ijariie.com/AdminUploadPdf/Effects_of_Micro_polar_Fluids_and_the_Tsann_Roughness_Model_on_Performance_Characteristics_of_Two_lobe_Bearings_ijariie1529.pdf
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