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Effects of Comprehensive Eccentricity of Involute Cam on Gear Profile Deviations
gear grinder with flat-faced wheel involute cam ultra precision master gear
2011/8/4
Turbopump condition monitoring is a significant approach to ensure the safety of liquid rocket engine (LRE). Because of lack of fault samples, a monitoring system cannot be trained on all possible con...
Stability Analysis on Rotor Systems Supported by Self-acting Tilting-pad Gas Bearings with Frequency Effects
bearing-rotor system tilting-pad bearing logarithm attenuation rate
2011/8/4
The recent research on stability of gas bearing-rotor systems still mostly adopts the same method as in oil-lubricated bearing-rotor systems. The dynamic coefficients of gas bearings in the case that ...
Effects of annealing and annealing cooling media in corrosion resistance and microhardness of low content Chromium Nickel steel
Corrosion Resistance Microhardness
2010/9/26
To study the effect of intermediate spheroidal annealing on some properties of a metal, samples of chromium-nickel steal were chosen. The samples were carburized, normalized, annealed, hardened and te...
Numerical Analysis of a Spiralgroove Drygas Seal Considering Microscale Effects
numerical analysis Reynolds equation
2011/8/4
A drygas seal system is a noncontact seal technology that is widely used in different industrial applications. Spiralgroove drygas seal utilizes fluid dynamic pressure effects to realize the seal and ...
A numerical study of heat and mass transfer effects on an oscilaltory flow of a viscoelastic fluid with thermal relaxation
Finite difference method Oscillatory flow Heat transfer and Mass transfer
2010/11/25
We have studied numerically effect of heat and mass transfer on an oscillatory flow of a viscoelastic fluid with thermal relaxation. The dimensionless governing equations are solved using an explicit ...
Effects of Blade Number on Characteristics of Centrifugal Pumps
centrifugal pump blade number flow field simulation
2011/8/3
The blade number of impeller is an important design parameter of pumps, which affects the characteristics of pump heavily. At present, the investigation focuses mostly on the performance characteristi...
Mechanical behavior of bovine tendon with stress-softening and loading-rate effects
Tendon Mullins effect Loading-rate effects
2010/9/27
The development of predicting capabilities for impact-induced injuries for accurate medical intervention requires a thorough understanding of rate and damage effects on the mechanical behavior of biol...
Purpose: In this paper, the effects of various process parameters of WEDM like pulse on time (TON), pulse off
time (TOFF), gap voltage (SV), peak current (IP), wire feed (WF) and wire tension (WT) ha...
Effects of Residual Stresses Caused by Different Types of Loading on Silent Chain Strength
Silent chain elasto-plastic residual stress finite element
2009/10/14
Engagement and disengagement of a chain with sprocket teeth results in fatigue loading, particularly when one of the sprockets is small, and the chordal action contributes to problem. Silent chain lin...
Viscous Heating Effects in Viscoelastic Flow between Rotating Parallel-Disks
Polymeric (Viscoelastic) fluid Parallel-Disks Rheometry Nonisothermal
2009/10/12
Viscoelastic flow between two rotating parallel-disks (plates) is studied. First the current state of the art is discussed and the limitations resulting from the simple flow assumptions are reported. ...
Effects of Weld Zone Properties on Burst Pressures and Failure Locations
Weld zone e ects DOT-39 refrigerant cylinders Nonlinear FEA analysis Burst pressures
2009/10/10
The effects of weld zone properties on the burst pressures and burst failure locations of DOT-39 nonre-allable refrigerant cylinders were examined using the nite element analysis (FEA) approach. In o...
Similarity Analysis of Magnetic Field and Thermal Radiation Effects on Forced Convection Flow
Magnetic feld Thermal radiation Viscous dissipation Forced convection
2009/10/10
Magnetohydrodynamic (MHD) forced convection heat transfer from radiate surfaces in the presence of a uniform transverse magnetic eld, with conductive fluid suction or injection from a porous plate is...
The Effects of Cutting Tool Coating on the Surface Roughness of AISI 1015 Steel Depending on Cutting Parameters
Machining Surface roughness Cutting tool coating Cutting parameters
2009/10/9
The effects of a number of cutting tool coating materials on the surface quality of workpieces, depending on various cutting parameters, were investigated. AISI 1015 steel was processed without coolin...
The Effects of Wall Properties on Peristaltic Transport of a Dusty Fluid
Peristaltic transport Wall properties Dusty fluid
2009/9/30
The interaction between peristaltic transport of a dusty fluid (Saffman’s model) in a 2-dimensional uniform channel and the elasticity of the channel’s flexible walls was studied under long wavelength...
Effects of Condensate and Initial Formation of Thin Frost Layer on Evaporator Coil Performance of Room Air-Conditioners
Evaporator coil performance Wet evaporator coil Frosted evaporator coil
2010/1/14
This study investigated experimentally and theoretically, how condensate and initial formation of a thin frost layer on the
surface of the evaporator affects the evaporator performance of room air-co...