examples in each forms of heat transfer

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

Ngày tải lên : 05/09/2013, 16:10
... enhancement of heat transfer heated surface to the working fluid. In the present work experimental investigations has been carried out to study the effect of a gap in the inclined rib on the heat transfer ... Associate Professor in the Department of Mechanical Engineering at M.A.N.I.T. Bhopal (M.P.) INDIA. He received Ph D degree from IIT Roorkee , INDIA. He is working in the area of heat transfer and ... the heated wall in transverse, inclined, V-continuous and V- discrete pattern. Int. Journal of Heat Mass Transfer 2003; 30(2): 241-250. [17] Bhagoria J.L. and Sahu M.M. Augmentation of heat transfer...
  • 12
  • 831
  • 0
advances in thermal design of heat exchangers a numerical approach direct-sizing, step-wise rating, and transients

advances in thermal design of heat exchangers a numerical approach direct-sizing, step-wise rating, and transients

Ngày tải lên : 02/04/2014, 15:14
... approach using Laplace transforms 419 fins 405 Preface xxix including investigative research on the single-blow test method. Both teaching and research continued successfully under Professor ... source listing for direct-sizing of compact contraflow exchanger B.4 Parameters for rectangular offset strip fins B.5 Longitudinal conduction in contraflow B.6 Spline-fitting of data B.7 ... Attwood (Co-ordinating Editor) of Professional Engineering Publishing, Ltd, for their consideration, contributions and patience with the author in arriving at the near-final text. Late...
  • 530
  • 569
  • 0
Ptinciples of heat transfer

Ptinciples of heat transfer

Ngày tải lên : 08/04/2014, 11:00
... (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 ... defined in terms of the local value by (1.12) For most engineering applications, we are interested in average values. Typical val- ues of the order of magnitude of average convection heat transfer ... come up in the chapter. We hope that this pedagogic technique will help the students in their learning of an intricate topic such as heat transfer. 2) An important aspect of learning engineering...
  • 784
  • 1.2K
  • 0
Experimental and numerical investigation of heat transferand phase change phenomena during excimer laser interactionwith nickel

Experimental and numerical investigation of heat transferand phase change phenomena during excimer laser interactionwith nickel

Ngày tải lên : 06/05/2014, 08:55
... study of heat transfer and gas dynamics in the pulsed laser evaporation of metals\ Proceedings of the 0883 International Mechanical Engineering Congress and Expo! sition\ Microscale Heat Transfer\ ... surface# at the beginning of the melting process[ Asthe melt interface expands into the target interior\ the velocity of the melt front propagation decreases\ and is dominated by heat conduction[ ... experiments of X[ Xu et al[:Int[ J[ Heat Mass Transfer 31 "0888# 0260Ð02710279 of degrees\ as reported by some other investigators ð01\ 08Ł is not obtained in this study[ 2[3[1[ Velocity of the...
  • 12
  • 332
  • 0
molecular dynamics simulation of heat transfer and phase change during

molecular dynamics simulation of heat transfer and phase change during

Ngày tải lên : 06/05/2014, 08:55
... 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 ... 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, ... 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., 1993, "Superheating,...
  • 10
  • 505
  • 0
molecular dynamics simulation of heat transfer and phase change during

molecular dynamics simulation of heat transfer and phase change during

Ngày tải lên : 06/05/2014, 08:57
... 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 ... metal interaction in two steps including photon energy absorption in electrons and lattice heating through interaction with electrons. A large body of the MD simulation of laser material interaction ... 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...
  • 10
  • 429
  • 0
molecular dynamics simulation of heat transfer and phase change during

molecular dynamics simulation of heat transfer and phase change during

Ngày tải lên : 06/05/2014, 08:59
... 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 ... 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., 1993, "Superheating, ... expand in space when heated. Therefore, more heat is stored in the form of potential energy and resulting in a larger specific heat. The specific heat at constant volume is calculated in the...
  • 10
  • 394
  • 0
Báo cáo khoa học: Cellular refractoriness to the heat-stable enterotoxin peptide is associated with alterations in levels of the differentially glycosylated forms of guanylyl cyclase C pdf

Báo cáo khoa học: Cellular refractoriness to the heat-stable enterotoxin peptide is associated with alterations in levels of the differentially glycosylated forms of guanylyl cyclase C pdf

Ngày tải lên : 08/03/2014, 08:20
... concentrations of 125 I-labeled ST Y72F for 1 h at 37 °C in binding buffer (50 m M Hepes, pH 7.5, 4 m M MgCl 2 , 0.1% bovine serum albumin, 10 lgặmL )1 leupeptin, 10 lgặmL )1 aprotinin). Following incubation, ... mechan- ism of desensitization of these receptors. GC-A is phos- phorylated on six serine and threonine residues present in the protein kinase-like domain in the basal state [2]. Mutation of any of these ... coli heat stable enterotoxin in human intestine and in a human intestinal cell line (Caco-2). J. Cell Physiol. 156, 138–144. 20. Cohen, M.B., Hawkins, J.A. & Witte, D.P. (1998) Guanylin mRNA...
  • 10
  • 427
  • 0
mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)

mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)

Ngày tải lên : 02/04/2014, 15:52
... the jacket. The flow rate of heating–cooling fluid can be adjusted in order to maintain control over the temperature in the batch vessel. We often do this by constructing a jacket around the process ... 2007 0:57 Introduction 7 Of course, this is not exactly what occurs in a real system. Close to the point of intro- duction, the fluid in the vessel will have properties that are some intermediate ... is discussed in the following examples. EXAMPLE 2.1. The data in Table 2.3 were obtained for the reaction of sulfuric acid with diethyl sulfate, in aqueous solution at 22.9 ◦ C. The initial concentrations...
  • 405
  • 3.2K
  • 0
heat transfer in femtosecond laserprocessing of metal

heat transfer in femtosecond laserprocessing of metal

Ngày tải lên : 06/05/2014, 08:53
... L. Tien, Heat Transfer Mechanisms during Short-Pulse Laser Heating of Metals, ASME J. Heat Transfer, vol. 115, pp. 835–841, 1993. 5. T. Q. Qiu and C. L. Tien, Femtosecond Laser Heating of Multi-Layer ... amount of superheating and that a distinct melt phase develops with duration of the order of nanoseconds. INTRODUCTION In the last few years, the use of femtosecond lasers in materials processing ... Laser Heating, Int. J. Heat Mass Transfer, vol. 44, pp. 1725–1734, 2001. 10. L S. Kuo and T. Q. Qiu, Microscale Energy Transfer during Picosecond Laser Melting of Metal Films, Proc. 31st Natl. Heat...
  • 15
  • 290
  • 0
Báo cáo hóa học: " Numerical evaluation of laminar heat transfer enhancement in nanofluid flow in coiled square tubes" pdf

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
... details 1 Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576 Singapore 2 Minerals, Metals and Materials Technology Centre, National University of Singapore, ... con- ductivity of these fluids by suspending nanoparticles of * Correspondence: jc.kurnia@nus.edu.sg 1 Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, ... nanoparticles are given in Table 1. Heat transfer performance The heat transfer performance of the cooling channel is discussed in terms of the figure of mer it, FoM, which is defined as FoM = W W p um p , (14) Figure...
  • 14
  • 275
  • 0