... fluid dynamics (CFD) model. Then, this method of combining nonlinear dynamic and CFD models is validated through the experimental verification. Subsequently, oil–air flow and temperature distribution inside the bearing chamber are studied at low and high speeds and light and heavy loads. The effect...

... fluid that is necessary for this type of seal in order to ensure the sealing of the fluid ( 4 ). Fluid film thickness distribution Pressure distribution in the sealing zone Temperature distribution of the lip surface To explain this deformable film...

... equations with initial conditions were solved numerically using a multigrid multilevel technique. The performance characteristics of the thermoelastohydrodynamic line contact were presented with varying dimensionless time for the pressure distribution, temperature distribution, and oil film thickness...

... fields in the fluid, as well as the temperature distribution across the fluid and solid pad. Results show important transversal temperature gradients in the fluid, especially in the areas of minimal film thickness. This further justifies the use of a complete THD model such as the one employed...

... elastodynamics hydrodynamics Couette flow sliding friction viscosity infrared spectra temperature distribution discs (structures) Elastohydrodynamic Dimple Temperature Rise Viscosity Wedge The purpose of this paper is to clarify the mechanism of dimple formation by measuring dimple...

..., and particularly the energy storage phenomena in the third body and the competition with regard to thermal resistance effect. Figure 14 shows the temperature distribution in the third body for two thicknesses of 0.01 and 0.1 mm. In both cases, maximal temperature is obtained inside the third body. It agrees...

... for an isotropic media, where a simply-connected elastic body in a state of plane strain or plane stress remains stress free if the temperature distribution is harmonic and the boundaries are free of traction, the stress within the semi-infinite anisotropic media will generally not equal zero even if the boundary...

... = fluid viscosity [Pa⋅s] This research proposed a method to determine the temperature distribution and the clearance variation of the HDB spindle motor in a HDD by the iterative analysis of the heat conduction and thermal deformation. The proposed method is verified by comparing the calculated...

... to determine the temperature distributions on contact surfaces. The interactions between pressure and temperature are considered through incorporating viscosity-temperature and density-temperature relations in the Reynolds equation, then solving the equation system iteratively. With the successful...

... the thermal analysis. The feedback between the oil film temperature distribution and the viscosity was identified as the primary discriminating factor in the overall thermal EHL traction calculation, so that any uncertainty in viscosity/temperature behavior at high pressure is an important factor...

... and an elastic-plastic sphere with properties identical to those of the first layer were carried out to examine the effect of frictional heating on the deformation behavior of the medium. Results are presented for the temperature distribution and maximum temperature variation at the surface and the evolution...

... , L. , and Cheng , H. S. , 2002 , “ Temperature Distributions and Thermoelastic Displacements in Moving Bodies ,” Computer Modeling in Engineering & Sciences , 3 ( 4 ), pp. 465 – 481 . Ju , F. D. , and Chen , T. Y. , 1984 , “ Thermomechanical Cracking in Layered Media from...

...Bjo¨rn Larsson The development of thermal bows in rotors is frequently reported. The cause of the bows is an asymmetric temperature distribution as a result of uneven heating. The heat source can be a friction contact between rotor and seal. Both partial and full annular rub can give asymmetric...

.... The babbitted bearing was typical of design in general use. A PTFE composite was applied instead of the babbitt to a similar bearing. Bearings were tested at different load-speed combinations in the fully flooded mode. Pad temperature distributions, collar temperatures and bearing friction torque were...

...-workpiece contact region, location and magnitude of the highest temperature, and temperature distribution along different cross-sections of the workpiece. The technique may also be profitably used to study the evolution of the temperature field in the transient stage of grinding. Temperature field...

..., is also studied under varying direction and magnitude of misalignment torque. Our main focus was on hydrodynamic pressure, temperature distributions at the film/bush interface, oil flow rate, power losses and film thickness. The defects significantly improved the performance of the bearing. The minimum...

.... The influence of the angle between the minor axis and the entrainment vector on the position and shape of the dimple, the central and minimum film thickness, the temperature distribution and the frictional coefficient is discussed. The lubricant used in the experiments is Santotrac 100. The experiments...

... 15, 2001. Associate Editor: J. L. Streator. 17 January 2001 15 August 2001 24 09 2002 disc drives hard discs vibrations rotation temperature distribution For the past decade, advanced computer chips and electronics have been developed for computers to achieve...

... in the overall temperature distribution in the bearing. A simplified approach for determining this temperature is presented. An extensive set of experimental results performed by Maki and Ezzat (1980, ASME J. Lubr. Technol., 102 , pp. 8–14) is used for validation purposes. The results show that mixing...

... analysis. Moes et al. 10 analyze thermal effects in dynamically loaded flexible journal bearings adopting infinitesimal bearing theory. Khonsari and Wang 11 assume adiabatic oil-bush and isothermal oil-shaft interfaces, and known temperature distribution across film thickness to analyze the transient...