... air heater duct with V-shaped rib roughness on absorber plate. Int. Journal of Heat and Mass Transfer 2002; 45: 33 83- 33 96. [19] Muluwork K B. Investigations on fluid flow and heat transfer in ... Transactions of the ASME Journal of turbo machinery 1991b; 1 13: 36 7- 37 4. [8] Hu Z. and Shen J. Heat transfer 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 of Heat Mass Transfer 20 03; 30 (2): 241-250. [17] Bhagoria J.L. and Sahu M.M. Augmentation of heat transfer...
Ngày tải lên: 05/09/2013, 16:10
... JETP, vol. 39 , pp. 37 5 37 7, 1974. 4. T. Q. Qiu and C. L. Tien, Heat Transfer 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 Laser Heating, 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 ... LASER PROCESSING OF METAL 2 23 Downloaded By: [Ingenta Content Distribution] At: 19:07 13 December 2007 Similar delays in the beginning of melting were observed during experiments on aluminum films...
Ngày tải lên: 06/05/2014, 08:53
hydrodynamics, mass, and heat transfer in chemical engineering, crc (2002) - opet
... 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...
Ngày tải lên: 02/04/2014, 15:52
Ptinciples of heat transfer
... (a) -in. aluminum, (b) -in. stainless steel with a 1 -in thick layer of fiberglass insulation on the inside, and (c) of sandwich construction with a -in thick layer of stainless steel, a 1 -in thick ... K) Heat transfer rate 1 W ϭ 3. 412 Btu/h 1 Btu/h ϭ 0.2 931 W 1 ton ϭ 12,000 Btu/h ϭ 35 17.2 W Length 1m ϭ 3. 281 ft 1 ft ϭ 0 .30 48 m ϭ 39 .37 in 1 in ϭ 0.0254 m Mass 1 kg ϭ 2.2046 lb m 1 lb m ϭ 0.4 536 ... Relation of Heat Transfer to Thermodynamics 3 1.2 Dimensions and Units 7 1 .3 Heat Conduction 9 1.4 Convection 17 1.5 Radiation 21 1.6 Combined Heat Transfer Systems 23 1.7 Thermal Insulation 45 1.8 Heat...
Ngày tải lên: 08/04/2014, 11:00
methods of behavior analysis in neuroscience - jerry j. buccafusco
... exposure. 2. No within group difference in responding when training drug vs. vehicle injection precedes CS exposure in the unconditioned control group (3 vs. 4 in Table 3. 3). A difference resulting from ... strains to traumatic brain injury: Implications for gene targeting approaches to neurotrauma, Journal of Neurotrauma, 16, 37 7, 1999. 26 28 30 32 34 36 38 40 42 Time on rotarod (sec) C 0 1 2 3 7 ... as an intriguing learning capability. A limited number of TAP and TAR subjects may be provided to other interested researchers in the future. FIGURE 3. 5 The selective breeding of strains of taste...
Ngày tải lên: 08/04/2014, 12:37
molecular dynamics simulation of heat transfer and phase change during
... Study of Light-to -heat Absorption Mechanism in atomic Systems," International Journal of Heat 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. 9 10 11 12 13 14 15 16 0 5 10 15 20 25 30 Solid-liquid Interface Liquid-vapor Interface z (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,...
Ngày tải lên: 06/05/2014, 08:55
MÔ HìNH HOá QUá TRìNH TRAO ĐổI NHIệT ẩM TRONG MáY ấP TRứNG GIA CầM Modeling of heat and mass transfer in chicken egg incubators
Ngày tải lên: 28/08/2013, 08:31
Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium
Ngày tải lên: 05/09/2013, 14:58
doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 2 of 3
... the heat is being transferred. Convection involves the transfer of heat by the mixing and motion of macroscopic portions of a fluid. Radiation, or radiant heat transfer, involves the transfer of ... transfer: Conduction involves the transfer of heat by the interactions of atoms or molecules of a material through which the heat is being transferred. Convection involves the transfer of heat 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 Heat Transfer Coefficient 37 Summary 39 BOILING HEAT...
Ngày tải lên: 17/03/2014, 15:00
doe fundamentals handbook - thermodynamics, heat transfer, and fluid flow - volume 3 of 3
... 25 Application of Bernoulli’s Equation to a Venturi 27 Summary 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 ... engineering design of systems, it is very useful in understanding the operation of systems and predicting the approximate response of fluid systems to changes in operating parameters. The basic principles of ... points in the container to increase by the same amount. Since the pistons all have the same cross-sectional area, the increase in pressure will result in the forces on the pistons all increasing...
Ngày tải lên: 17/03/2014, 15:00
mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)
... Batch Heat Exchanger 68 3. 3.2 Semibatch Heat Exchanger 68 3. 3.2.1 Mixed–Mixed Fluid Motions 69 3. 3.2.2 Mixed–Plug Fluid Motions 72 3. 3 .3 Continuous-Flow Tank-Type Heat Exchangers 74 3. 3 .3. 1 Mixed–Mixed ... K m Estimation 31 3 7 .3 Tubular Contactors 31 6 7 .3. 1 Cocurrent Area Estimation 31 6 7 .3. 2 Cocurrent K m Estimation 31 8 7 .3. 3 Countercurrent Area Estimation 31 8 7 .3. 4 Countercurrent K m Estimation 32 0 Nomenclature ... Technically Feasible Design of a Countercurrent Mass Contactor 33 5 8 .3 Analysis of a Pilot-Scale Bioreactor 34 5 Nomenclature 35 3 References 35 4 Problems 35 4 Index 36 3 ...
Ngày tải lên: 02/04/2014, 15:52
Developments in Heat Transfer Part 3 docx
... energy, heat is transferred to the product through the shelf, by acting on the temperature of the fluid flowing in the coil inserted in the shelf. 3. Secondary drying: when the sublimation of the ... above, the use of global methods is strongly suggested for large scale apparatus. 4. Heat transfer in bulk and vials freeze-drying In the following the influence of processing conditions, ... reported in Table 2) and trays made of stainless steel or polystyrene. In case of freeze- drying in vials, it was also investigated the effect of various loading configurations (e.g. comparing the...
Ngày tải lên: 19/06/2014, 10:20
Heat Transfer Mathematical Modelling Numerical Methods and Information Technology Part 3 potx
Ngày tải lên: 20/06/2014, 01:20
Báo cáo hóa học: " Numerical evaluation of laminar heat transfer enhancement in nanofluid flow in coiled square tubes" pdf
Ngày tải lên: 21/06/2014, 03:20