Zobrazeno 1 - 10
of 40
pro vyhledávání: '"D. P. Vakharia"'
Autor:
Sandeep Soni, D. P. Vakharia
Publikováno v:
Tribology Online, Vol 10, Iss 4, Pp 246-261 (2015)
The aim of the present paper is to investigate and predict the static performance of finite journal bearing in turbulent flow condition considering non-Newtonian lubrication. The Navier-Stokes equation has been modified considering turbulent as well
Externí odkaz:
https://doaj.org/article/ce31b425c1c04a89b94ef73a2317e596
Autor:
P. C. Chhotani, D. P. Vakharia
Publikováno v:
Strength of Materials. 53:491-501
Autor:
D. P. Vakharia, Tushar P. Gundarneeya
Publikováno v:
Materials Today: Proceedings. 45:5624-5630
Present experimental study investigate the performance analysis of Journal bearing operating on Nanolubricants prepared by adding TiO2, CuO and Al2O3 nanoparticles as lubricant additives in Avalon ISO Viscosity grade 46 oil. By adding nanoparticles,
Autor:
V. M. Bhojawala, D. P. Vakharia
Publikováno v:
Journal of Vibration Engineering & Technologies. 8:959-975
This paper studies the influence of Casimir force on the static and dynamic characteristics of electrostatically actuated fixed–fixed microbeam. The theoretical formulation for the study is obtained using the Euler–Bernoulli beam theory. The form
Publikováno v:
Materials Today: Proceedings. 28:582-586
A novel roller design, a layered cylindrical hollow roller is suggested for roller type bearings, in which a small hollow cylinder is embedded into another large hollow cylinder with the same percentage of hollowness. This paper deals with a theoreti
Autor:
D. P. Vakharia, Bhumi Ankit Shah
Publikováno v:
Industrial Lubrication and Tribology. 70:1193-1200
Purpose The purpose of this study is to identify the crack in the shaft at incipient stage. Transverse crack is the most common type of crack found on the periphery of the shaft. The changes in dynamic behaviour of the rotor at high speed are enormou
Publikováno v:
Industrial Lubrication and Tribology. 70:733-745
PurposeThe purpose of this paper is to develop a mathematical model to determine optimum hollowness of a layered cylindrical hollow rolling element when it contacts with a flat plate.Design/methodology/approachIn this work, finite element analysis (F
Publikováno v:
Industrial Lubrication and Tribology. 69:754-760
Purpose This paper aims to investigate the performance of a ferrofluid-based hydrodynamic journal bearing system. Design/methodology/approach This paper presents a new design of ferrofluid-based hydrodynamic journal bearing. An experimental set-up co
Autor:
V. M. Bhojawala, D. P. Vakharia
Publikováno v:
Acta Mechanica. 228:2583-2602
The current work presents an accurate closed-form model to Microelectro Mechanical System designers for computing static pull-in voltage of electrostatically actuated microbeams with clamped–clamped end condition. The model incorporates the effect
Publikováno v:
Wear. :1877-1884
This paper investigates the performance of a ferrofluid based hydrodynamic journal bearing system considering different combination of shaft and bearing materials. An investigation was first carried out for the material combination of ferrous and non