.... Fleischer et al. [( 10 )] measured the steady-state workpiece temperature after drilling to estimate an average surface heat flux over time. Bono and Ni [( 11 )] developed an advection model to calculate and apply the heat flux on HBS. Kalidas et al. [( 12 )] utilized the inverse heat conduction method...

... to estimate the transient thermal load and the thermal deformation of the structure in real-time. To satisfy the stringent accuracy and stability requirements of the control system, a new inverse heat conduction problem IHCP solver is developed. This solution is capable of including the inertia effect...

... occurs, the effect of temperature dependent thermal properties may become important. The full three-dimensional nonlinear transient heat conduction equation is solved numerically using a control volume approach to study these nonlinear effects on cutting tool temperatures. The extremely small size...

... of workpiece hardness and cutting speed on chip formation, workpiece surface integrity and cutting forces. Equations are detailed for determining the primary shear zone temperature, the proportion of heat conducted into the workpiece and the shear flow stress. Following on from this, experimental work...

...Shiva Kalidas; Shiv G. Kapoor; Richard E. DeVor A finite element thermal model is devised to capture the transient temperatures in the workpiece in drilling. Experimental observations along with an inverse heat conduction procedure is utilized in identifying the strength of the heat fluxes from...

... in predicting the nature and magnitude of the thermal errors. machining heat conduction thermoelasticity temperature distribution cutting finite element analysis The advantage that could be accrued with the elimination of cutting fluids hinges on the dry machining processes ability to provide...

.... (Here α w is the workpiece thermal diffusivity, α w = k w / ρ w c w . ) 9 The effect of heat conduction in the direction of motion The effect of the unknown geometric parameters on the workpiece background temperature was examined...

... heat conduction Laser welding is a rather complex process involving thermodynamics, fluid flow, and heat transfer phenomena, among others. These result in a highly nonlinear model 1 which normally requires the use of numerical methods for analysis. Numerical methods are usually...