give examples in each forms of heat transfer
An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs
... 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...
Ngày tải lên: 05/09/2013, 16:10
advances in thermal design of heat exchangers a numerical approach direct-sizing, step-wise rating, and transients
... 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...
Ngày tải lên: 02/04/2014, 15:14
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 ... 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...
Ngày tải lên: 08/04/2014, 11:00
Experimental and numerical investigation of heat transferand phase change phenomena during excimer laser interactionwith nickel
... 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...
Ngày tải lên: 06/05/2014, 08:55
molecular dynamics simulation of heat transfer and phase change during
... 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,...
Ngày tải lên: 06/05/2014, 08:55
molecular dynamics simulation of heat transfer and phase change during
... 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...
Ngày tải lên: 06/05/2014, 08:57
molecular dynamics simulation of heat transfer and phase change during
... 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...
Ngày tải lên: 06/05/2014, 08:59
Báo cáo khoa hoc:" Role of HOXA7 to HOXA13 and PBX1 genes in various forms of MRKH syndrome (congenital absence of uterus and vagina)" ppt
Ngày tải lên: 11/08/2014, 08:20
Báo cáo y học: " Down-regulation of the inhibitor of growth family member 4 (ING4) in different forms of pulmonary fibrosis" docx
Ngày tải lên: 12/08/2014, 14:20
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
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
... differential responsiveness of various regions of the intestine to the guanylin/uroguanylin family of peptides [6], and also regulate GC-C signaling in extraintestinal tissues where GC-C and ... 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...
Ngày tải lên: 08/03/2014, 08:20
mass and heat transfer analysis of mass contactors and heat exchangers (cambridge series in chemical engineering)
... 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...
Ngày tải lên: 02/04/2014, 15:52
heat transfer in femtosecond laserprocessing of metal
... 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...
Ngày tải lên: 06/05/2014, 08:53
Báo cáo hóa học: " Numerical evaluation of laminar heat transfer enhancement in nanofluid flow in coiled square tubes" pdf
... 4200. (13) Properties of 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 ... 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, ... utilizing nanofluids inflow in coils. The two nanofluid suspensions examined in this study are: water-Al 2 O 3 and water-CuO. The flow behavior and heat transfer performance of these nanofluid...
Ngày tải lên: 21/06/2014, 03:20
Give correct forms of the verbs
... you (spend) your summer holiday last year, Tam? 4. In my country, it (not rain) much in winter. 5. Let’s wait for Lien (arrive) and we (have) dinner. 6. The moon (move) around the earth. 7. Mai ... Trang is in hospital. - Yes, I know. I (visit) her tomorrow. 15. I (read) an interesting book at the moment. I (lend) it to you when I finish it. 16. Look at those black clouds. It (rain). 17. ... stop (talk); I (try) (finish) a letter to the Y&Y Green Group. 21. His doctor advised him (give up) (smoke). 22. By (work) day and nihgt he succeeded in (finish) the job in time. 23. There (be)...
Ngày tải lên: 07/06/2013, 01:26
Simulation of the thermal borehole resistance in groundwater filled borehole heat exchanger using CFD technique
Ngày tải lên: 05/09/2013, 14:58
Cooling load optimization of an irreversible refrigerator with combined heat transfer
Ngày tải lên: 05/09/2013, 15:28