... air heater duct with V-shaped rib roughness on absorber plate. Int. Journal ofHeat and Mass Transfer 2002; 45: 33 83- 33 96. [19] Muluwork K B. Investigations on fluid flow and heattransferin ... Transactions of the ASME Journal of turbo machinery 1991b; 1 13: 36 7- 37 4. [8] Hu Z. and Shen J. Heattransfer enhancement in a conversing passage with discrete ribs. Int. Journal Heat and Mass Transfer ... heated wall in transverse, inclined, V-continuous and V- discrete pattern. Int. Journal ofHeat Mass Transfer 20 03; 30 (2): 241-250. [17] Bhagoria J.L. and Sahu M.M. Augmentation ofheat transfer...
... JETP, vol. 39 , pp. 37 5 37 7, 1974.4. T. Q. Qiu and C. L. Tien, HeatTransfer Mechanisms during Short-Pulse Laser Heating of Metals, ASME J. Heat Transfer, vol. 115, pp. 835 –841, 19 93. 5. T. Q. ... Thermal Lagging in Ultrafast LaserHeating, Int. J. Heat Mass Transfer, vol. 44, pp. 1725–1 734 , 2001.10. L S. Kuo and T. Q. Qiu, Microscale Energy Transfer during Picosecond Laser Melting of Metal ... information:http://www.informaworld.com/smpp/title~content=t7 136 579 73 HEATTRANSFERIN FEMTOSECOND LASERPROCESSING OF METALIhtesham H. Chowdhurya; Xianfan XuaaSchool of Mechanical Engineering, Purdue University, West Lafayette, Indiana,USA.Online...
... 3& apos;. Plane straining flow: This flow can be obtained in the Taylor device, consisting of four rotating cylinders [474,475]. Note that flow 2' is the same as flow 3& apos; but in ... viscosity [41, 80, 1 63, 2 231 . Other models and methods of turbulence theory. Dimensional and similari- ty methods are widely used in turbulence theory [ 23, 65, 135 , 161,162, 230 , 432 1. Under some ... E2, E3 of the tensor [Ek,] reduced to the principal axes determine the intensity of tensile (or compressive) motion along the coordinate axes. Since the fluid is incompressible, only two of...
... (a) -in. aluminum,(b) -in. stainless steel with a 1 -in thick layer of fiberglass insulation on the inside, and (c) of sandwichconstruction with a -in thick layer of stainlesssteel, a 1 -in thick ... K) Heat transfer rate 1 W ϭ 3. 412 Btu/h 1 Btu/h ϭ 0.2 931 W1 ton ϭ 12,000 Btu/h ϭ 35 17.2 WLength 1m ϭ 3. 281 ft 1 ft ϭ 0 .30 48 mϭ 39 .37 in 1 in ϭ 0.0254 mMass 1 kg ϭ 2.2046 lbm1 lbmϭ 0.4 536 ... Relation ofHeatTransfer to Thermodynamics 3 1.2 Dimensions and Units 71 .3 Heat Conduction 91.4 Convection 171.5 Radiation 211.6 Combined HeatTransfer Systems 23 1.7 Thermal Insulation 451.8 Heat...
... exposure.2. No within group difference in responding when training drug vs. vehicle injectionprecedes CS exposure in the unconditioned control group (3 vs. 4 in Table 3. 3). Adifference resulting from ... strains to traumatic brain injury: Implications for genetargeting approaches to neurotrauma, Journal of Neurotrauma, 16, 37 7, 1999.2628 30 32 34 36 38 4042Time on rotarod (sec)C0 1 2 3 7 ... as an intriguing learning capability. A limited number of TAP andTAR subjects may be provided to other interested researchers in the future.FIGURE 3. 5The selective breeding of strains of taste...
... JETP, vol. 39 , pp. 37 5 37 7, 1974.4. T. Q. Qiu and C. L. Tien, HeatTransfer Mechanisms during Short-Pulse Laser Heating of Metals, ASME J. Heat Transfer, vol. 115, pp. 835 –841, 19 93. 5. T. Q. ... Thermal Lagging in Ultrafast LaserHeating, Int. J. Heat Mass Transfer, vol. 44, pp. 1725–1 734 , 2001.10. L S. Kuo and T. Q. Qiu, Microscale Energy Transfer during Picosecond Laser Melting of Metal ... PROCESSING OF METAL 229 HEAT TRANSFERIN FEMTOSECOND LASERPROCESSING OF METALIhtesham H. Chowdhury and Xianfan XuSchool of Mechanical Engineering, Purdue University,West Lafayette, Indiana,...
... Study of Light-to -heat Absorption Mechanism in atomic Systems," International Journal ofHeat and Mass Transfer, 41, pp. 839 -849. 3. Häkkinen, H., and Landman, U., 19 93, "Superheating, ... which is higher than the melting point, indicating superheating at the melting front. 9101112 13 1415160 5 10 15 20 25 30 Solid-liquid InterfaceLiquid-vapor Interfacez (nm)Time (ps)(a) ... are obtained. First, during picosecond laser heating, the heat transfer process predicted using the continuum approach agrees with the result of the MD simulation. Second, when melting happens,...
... the melting interface region. The temperature in this flat region is around 90 K, which is higher than the melting point, indicating superheating at the melting front. 9101112 13 1415160 ... the increase of the atomic kinetic energy in laser heating, atoms vibrate more in the crystal region, causing a lower peak of the number density of atoms and a wide distribution. As laser heating ... of predicting the heating process induced by a picosecond laser pulse. Laser Induced Phase Change In this section, various phenomena accompanying phase change in an argon target illuminated...
... Study of Light-to -heat Absorption Mechanism in atomic Systems," International Journal ofHeat and Mass Transfer, 41, pp. 839 -849. 3. Häkkinen, H., and Landman, U., 19 93, "Superheating, ... the melting interface region. The temperature in this flat region is around 90 K, which is higher than the melting point, indicating superheating at the melting front. 9101112 13 1415160 ... the increase of the atomic kinetic energy in laser heating, atoms vibrate more in the crystal region, causing a lower peak of the number density of atoms and a wide distribution. As laser heating...
... the heat is being transferred.Convection involves the transferofheat by the mixing and motion of macroscopic portions of a fluid.Radiation, or radiant heat transfer, involves the transferof ... transfer: Conduction involves the transferofheat by the interactions of atoms or molecules of amaterial through which the heat is being transferred.Convection involves the transferofheat by the mixing and ... 31 Non-Regenerative Heat Exchanger 34 Regenerative Heat Exchanger 34 Cooling Towers 35 Log Mean Temperature Difference Application to Heat Exchangers 36 Overall HeatTransfer Coefficient 37 Summary 39 BOILING HEAT...
... 25Application of Bernoulli’s Equation to a Venturi 27Summary 30 HEAD LOSS 31 Head Loss 31 Friction Factor 31 Darcy’s Equation 32 Minor Losses 34 Equivalent Piping Length 34 Summary 36 NATURAL CIRCULATION ... engineeringdesign of systems, it is very useful in understanding the operation of systems and predicting theapproximate response of fluid systems to changes in operating parameters.The basic principles of ... points in the container to increase by the same amount. Since thepistons all have the same cross-sectional area, the increase in pressure will result in the forceson the pistons all increasing...