R. M. Patel
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View article: Magnetic fluids based lubrication performance on deformable rough finite journal bearings
Magnetic fluids based lubrication performance on deformable rough finite journal bearings Open
This study investigates the combined effects of a non-Newtonian couple-stress lubricant and a magnetic fluid, incorporating velocity-slip and piezo-viscosity, on the lubrication performance of a finite journal bearing. Employing Stokes mic…
View article: Influence of the hydro-magnetic squeeze film on a longitudinally rough circular step bearing: Comparison of porous structures
Influence of the hydro-magnetic squeeze film on a longitudinally rough circular step bearing: Comparison of porous structures Open
This study compares the effects of spongy structures based on the Kozeny–Carmon (K. C.) model (a globular sphere model) and Irmay's (I. M.) model (a capillary fisher's model) structures, which are modeled on hydro-magnetic based squeeze fi…
View article: Performance of transverse surface roughness on conical bearing lubricated with ferrofluid in the existence of couple stresses
Performance of transverse surface roughness on conical bearing lubricated with ferrofluid in the existence of couple stresses Open
This manuscript presents a theoretical examination of how transverse surface irregularities impact conical bearing using ferrofluid as a lubricant, considering the presence of couple stresses. The Christensen and Tonder stochastic averagin…
View article: Performance of longitudinally rough circular step bearings with hydromagnetic squeeze films considering the effect of deformation and slip velocity
Performance of longitudinally rough circular step bearings with hydromagnetic squeeze films considering the effect of deformation and slip velocity Open
Objectives: Investigating the collective effects of slip velocity and deformation on spongy circular step bearings on hydro magnetic squeeze film with suitable B.C. is the purpose of the study. Methods/statistical analysis: The stochastic …
View article: Hydro magnetic squeeze film between conducting transversely rough curved circular plates
Hydro magnetic squeeze film between conducting transversely rough curved circular plates Open
The squeeze film among electrically conducting rough curved surfaces in the presence of a transverse hydro magnetic field is investigated. Bearing surfaces have rough transverse surfaces. Non-zero mean, variance, and skewness are the found…
View article: Performance of a hydromagnetic squeeze film on a rough circular step bearing: a comparision of different porous structures
Performance of a hydromagnetic squeeze film on a rough circular step bearing: a comparision of different porous structures Open
This investigation deals with a comparative analysis of the impact of spongy structure based on the model of Kozeny-Carman and Irmay on a hydromagnetic squeeze film in a rough circular step bearing. Christensen and Tonder’s stochastic aver…
View article: A Review of Mixed Lubrication Modelling and Simulation
A Review of Mixed Lubrication Modelling and Simulation Open
Most rolling contacts found in machine elements such as gears and bearings operate under Mixed Lubricating (ML) conditions, where the lubricant film can’t fully separate the asperities of the two contacting surfaces. Highly loaded, interac…
View article: Development of Random Pulse Width Modulation in Power Electronics Converter
Development of Random Pulse Width Modulation in Power Electronics Converter Open
With the new advancement in power electronic devices the high frequency system can often causes acoustic noise, mechanical vibration, EMI related problems in inverter-fed AC machine due to harmonics content in voltage and current waveforms…
View article: THEORETICAL STUDY OF HYDROMAGNETIC SQUEEZE FILM ROUGH TRUNCATED CONICAL PLATES WITH KOZENY-CARMAN MODEL BASED POROUS STRUCTURE
THEORETICAL STUDY OF HYDROMAGNETIC SQUEEZE FILM ROUGH TRUNCATED CONICAL PLATES WITH KOZENY-CARMAN MODEL BASED POROUS STRUCTURE Open
Assuming that the surfaces of the truncated conical plates are transversely rough and considering the porous structure based on the Kozeny-Carman model, in the transverse magnetic field, the issue of the squeeze film between electrically c…
View article: NEURINGER-ROSEINWEIG MODEL BASED LONGITUDINALLY ROUGH POROUS CIRCULAR STEPPED PLATES IN THE EXISTENCE OF COUPLE STRESS
NEURINGER-ROSEINWEIG MODEL BASED LONGITUDINALLY ROUGH POROUS CIRCULAR STEPPED PLATES IN THE EXISTENCE OF COUPLE STRESS Open
This study intents to scrutinize the impact of ferrofluid in the presence of couple stress for longitudinally rough porous circular stepped plates. The influence of longitudinal surface roughness is developed using the stochastic model of …
View article: Effect Of Transverse Surface Roughness On The Performance Of A Magnetic Fluid Based Two Layered Porous Inclined Slider Bearing
Effect Of Transverse Surface Roughness On The Performance Of A Magnetic Fluid Based Two Layered Porous Inclined Slider Bearing Open
Efforts have been made to analyze the performance of two layered porous inclined slider bearing with transversely rough surfaces under the presence of a magnetic fluid lubricant.The external applied magnetic field is oblique to the lower s…
View article: Performance of hydromagnetic squeeze film in longitudinally rough conducting truncated conical plates
Performance of hydromagnetic squeeze film in longitudinally rough conducting truncated conical plates Open
An attempt was made to study and analyze a hydromagnetic squeeze film's behavior between longitudinally rough conical truncated plates.A transverse magnetic field is applied.The associated equation of Reynolds is solved by investigating th…
View article: Combined Influence of Ferrofluid and Longitudinal Roughness on Porous Parallel Stepped Plates with Couple Stress
Combined Influence of Ferrofluid and Longitudinal Roughness on Porous Parallel Stepped Plates with Couple Stress Open
This article discusses the theoretical study of a ferrofluid based squeeze film between longitudinally rough stepped plates with couple stress effect.For the roughness effect Christensen and Tonder stochastic model has been employed.While …
View article: FERROFLUID LUBRICATION OF A LONGITUDINALLY ROUGH ROTATING CIRCULAR STEP BEARING
FERROFLUID LUBRICATION OF A LONGITUDINALLY ROUGH ROTATING CIRCULAR STEP BEARING Open
This investigation tries to examine the effect of magnetic fluid lubrication on the behaviour of a longitudinally rough rotating circular step bearing resorting to the stochastic model of Christensen and Tonder. The magnetic fluid flow mod…
View article: A Study of Hydromagnetic Longitudinal Rough Circular Step Bearing
A Study of Hydromagnetic Longitudinal Rough Circular Step Bearing Open
This article discusses the effect of longitudinal roughness on the performance of hydromagnetic squeeze film in circular step bearing. To characterize the random roughness of the bearing surfaces the stochastic model of Christensen and Ton…
View article: Ferrofluid Based Squeeze Film Lubrication between Rough Stepped Plates with Couple Stress Effect
Ferrofluid Based Squeeze Film Lubrication between Rough Stepped Plates with Couple Stress Effect Open
This investigation purposes to study the magnetic fluid based squeeze film behavior on transversely rough stepped plates with the influence of couple stress. Using the well-known stochastic model of Christensen and Tonder the roughness eff…