... a voltage is applied across them. This work models the plasma discharge in the EDM process to describe plasma characteristics such as electron density, heavy species densities, plasma potential, and plasma temperature using chemical kinetics, fluid flow, and heat transfer mechanisms in a 1D domain...

... Email: kempers@yorku.ca 2 Senior authors: Roger Kempers and Ramesh Raghavendra. 27 12 2021 29 04 2022 29 04 2022 19 05 2022 heat transfer thermal conductivity additive manufacturing (AM) laser powder bed fusion (L-PBF) process parameters Laser powder bed...

..., in the context of VCs, a large surface area and a rough texture may in fact benefit heat transfer and bubble formation during the fluid phase change [ 42 ]. Images of the partially melted metal beads on the pillars are shown in Figs. 6 and 7 . Per Young’s equation, it is clear that roughness directly...

... conditions, grinding parameters, grinding fluid types, etc. into the CFD simulation. Analytical models and experiments regarding the analysis of useful flow rates, fluid flow, and heat transfer in the grinding region and its vicinity have been reported. Gviniashvili et al. developed a model...

... in the plasma heating phase. Standard modules of a commercial computational fluid dynamics software, fluent , are adapted to model the crater formation in EDM. The material melting is simulated using transient heat transfer analysis and an enthalpy balance method. The volume of fraction (VOF) method is used...

...Serhat Kaya Heat transfer coefficient (HTC) is one of the most important and difficult-to-obtain parameter in high temperature environment. Contact pressure and workpiece surface roughness are among important parameters that affect the heat transfer in elevated temperature forming of sheets...

... the continuous chip formation with varying chip thickness in complete micromilling cycles under two configurations: microslotting and microside cutting. The steady-state cutting temperature is investigated by a heat transfer analysis of multi micromilling cycles. The FE model with the material strain gradient...

... of Single-Phase AC and Multiphase DC Resistance Spot Welding ,” ASME J. Manuf. Sci. Eng. , 127 , pp. 583 – 590 . 10.1115/1.1949621 11 Wei , P. S. , Wang , S. C. , and Lin , M. S. , 1996 , “ Transport Phenomena During Resistance Spot Welding ,” ASME J. Heat Transfer , 118 ( 3...

... number Da ∗ , which includes the heat generated during the reaction, and the dimensionless temperature ramp rate t ¯ rise , which describes the tooling temperature ramp rate relative to the natural time scale of the heat transfer. There was good agreement between the numerical model prediction...

... were established. Using this information and applying the principles of the theory of plasticity, heat transfer, and mechanics of the orthogonal metal cutting, a new distributed primary zone deformation model is developed to describe the distributions of the effective stress, effective strain...

...) and the channel area is defined. 12 11 2008 25 06 2010 27 09 2010 27 09 2010 friction heat transfer thermal engineering friction stir channeling friction stir processing specific energy mechanistic model Friction stir channeling (FSC) is a nontraditional technique...

...Satish Perivilli, Graduate Student; John Peddieson; Jie Cui A quasisteady approach to friction stir welding (FSW) heat transfer modeling is proposed and implemented using FLUENT . An idealized model of the mechanical dissipation heating in FSW is employed. Selected numerical predictions based...

... temperatures, and the model could be applied to design a real-time temperature control system for die cooling process. 15 01 2007 30 07 2008 12 12 2008 coolants cooling die casting high-temperature techniques temperature control temperature measurement heat transfer die...

... become round, since the cooling rate of droplets is slower and droplets have a longer time to change shape due to surface tension. A simple heat transfer model was developed to predict changes in droplet-cooling rate with changes in droplet overlap, substrate temperature, or time interval (deposition...

... of the experimental setup was conducted to investigate the heat transfer performance and internal temperature distribution, which was then used as a reference for the experiment. Hot compaction experiments were carried out, and the effects of compression force and temperature on the quality in terms of powder...

... technique. FEM can provide detailed insight into the tissue heat transfer to reduce the collateral thermal damage and improve the safety of cautery surgical procedures. A coupled thermal-electric FEM module was applied with temperature-dependent electrical and thermal properties for the tissue. Tissue...

... better predictions. Temperature prediction schemes with different hybrid levels between a pure heat transfer model and an artificial neural network alone were evaluated and compared showing promising results in this case study. Using an artificial neural network together with the heat transfer model...

... and time saving benefits. The model is created from first principles of heat transfer and utilizes contact conduction that is a function of temperature and pressure, Gaussian laser distribution, and many material properties that vary with temperature including the absorption coefficient. The model...

... reductions, therefore, may delay the onset of the coating failure and offer tool life extension. In this study, a passive heat-dissipation device, the heat pipe, has been incorporated in composite machining. Though it is intuitive that heat transfer enhanced by the heat pipe may reduce tool temperatures...

...Rui Li; Albert J. Shih The spatial and temporal distribution of tool temperature in drilling of commercially pure titanium is studied using the inverse heat transfer method. The chisel and cutting edges of a spiral point drill are treated as a series of elementary cutting tools. Using the oblique...