some examples of fluid flow and heat transfer problems

... different aspects of engi-neering problems such as: Fluid Mechanics, Nonlinear Vibra-tion Problems, Heat Transfer ApplicaVibra-tions, Nanofluids and etc Some of the excellence of proposed method ... fact that many scientists and researchers all around the world are working on the effects of using micropolar fluids and nanofluids on flow and heat transfer problems (Kelson and Desseaux, 2001; Sheikholeslami ... responsibility of University of Bahrain. Journal of the Association of Arab Universities for Basic and Applied Sciences (2017) xxx, xxx –xxx University of Bahrain Journal of the Association of Arab

Ngày tải lên: 04/12/2022, 16:23

... the Prandtl number, and Ec=U2 max T w C p is the Eckert number Some significant physical quantities are of prime importance in fluid mechanics and have great influence on fluid flow and heat transfer ... investigation on the effects of magnetic field on Hamel flow and heat transfer in Eyring-Powell fluid The Jeffery-Hamel problem occurs in various flow phenomena of fluid flow between two no-parallel ... DISCUSSION With the purpose of having a clear insight of the flow and heat transfer properties of the fluid, the system of governing equations is solved by Haar wavelet and 4thorder Runge-Kutta

Ngày tải lên: 04/12/2022, 10:32

... -6.4648 4.4 Rate of heat transfer The rate of heat transfer at the wall i.e the heat flux in terms of Nusselt number N u for different values of α and K p are entered in Table 2 The heat flux at ... the velocity and temperature of the flow field are solved employing perturbation technique and the effects of the flow parameters on the velocity and temperature of the flow field and also on ... Singh and Sharma [12] analyzed the three dimensional free convective flow and heat transfer through a porous medium with periodic permeability Chauhan and Sahal [13] analyzed the flow and heat transfer

Ngày tải lên: 05/09/2013, 14:58

... 주 Trang 5Flow and heat transfer characteristics of the Master Joint in a floor heating system A dissertation by Tran Manh Vu Approved by: (Chairman) Prof MIN NAM KIM (Member) Prof DAE SEOK ... (Member) Prof OH BOONG KWON February 28, 2007 Trang 6유동 및 열전달 특성을 비교하였다 Trang 7Flow and heat transfer characteristics of the Master Joint in a floor heating system Tran Manh Vu Department of Mechanical ... vertical section of the present master joint model To improve the heat transferred to the floor, a new master joint was proposed to increase the performance of heat transfer of the floor heating system

Ngày tải lên: 01/02/2021, 14:19

... Trang 1A NUMERICAL STUDY OF FLOW AND HEAT TRANSFERIN A SMOOTH AND RIBBED U-DUCT WITH AND WITHOUT ROTATION Y.-L Lin + and T I-P Shih * Department of Mechanical Engineering, Michigan ... Theinner and outer walls refer to the U-shaped ones at Ri and Ro, respectively (Fig 1) Nature of Fluid Flow The nature of the flow in the U-duct is complicated In the following, the complexity ofthis ... number of 25,000, a density ratio of 0.13, and an inlet Mach number of 0.05 Resultsare presented for streamlines, velocity vector fields, and contours of Mach number, pressure,temperature, and Nusselt

Ngày tải lên: 19/10/2022, 03:05

... 89–94, 1993. 7 H.-T Lin and S.-F Huang, “Flow and heat transfer of plane surfaces moving in parallel and reversely to the free stream,” International Journal of Heat and Mass Transfer, vol 37, no ... Introduction The problem of forced convection flow and heat transfer past a continuously moving flat plate is a classical problem of fluid mechanics and has attracted considerable interest of many researchers ... 2008. 17 A Ishak, R Nazar, and I Pop, “Flow and heat transfer characteristics on a moving flat plate in a parallel stream with constant surface heat flux,” Heat and Mass Transfer/Waerme- und Sto

Ngày tải lên: 01/11/2022, 09:02

... kinematic viscosity of water, and k is the permeability of the porous medium µnf is the viscosity of nanofluid, ρnfis the density of nanofluid and αnfis the thermal diffusivity of nanofluid In addition, ... boundary layer flow and heat transfer of copper-water nanofluid over a porous medium disk The temperature of the disk (the surface temperature of Cu-water nanofluid) is a quadratic function of the radius ... the temperature of nanofluid, Tconstis a constant, T∞is the temperature of nanofluid out of the boundary layer and it is a const, T0is the temperature of nanofluid on the disk and it is a quadratic

Ngày tải lên: 04/12/2022, 15:13

... Academic and commercial DEM codes 5 1.2 Experimental studies of granular bed heat transfer 6 1.3 Flow and heat transfer studies of particulate systems using DEM 13 1.4 Study of granular flow ... Experimental and theoretical model Flow and heat transfer study; Developed a model to simulate the flow and heat transfer non-Newtonian fluid through a single screw extruder (Gopalkrishna and Jaluria, ... 2D DEM Flow study (Cleary and Sawley, 2002) 2D CFD-DEM Flow and heat transfer 3D DEM Flow and attrition (Hare et al., 2011) Paddle mixer 3D DEM Flow study (Hassanpour et al., 2011) Fluidized

Ngày tải lên: 02/10/2015, 17:14

... Academic and commercial DEM codes 5 1.2 Experimental studies of granular bed heat transfer 6 1.3 Flow and heat transfer studies of particulate systems using DEM 13 1.4 Study of granular flow ... Experimental and theoretical model Flow and heat transfer study; Developed a model to simulate the flow and heat transfer non-Newtonian fluid through a single screw extruder (Gopalkrishna and Jaluria, ... 2D DEM Flow study (Cleary and Sawley, 2002) 2D CFD-DEM Flow and heat transfer 3D DEM Flow and attrition (Hare et al., 2011) Paddle mixer 3D DEM Flow study (Hassanpour et al., 2011) Fluidized

Ngày tải lên: 07/10/2015, 10:10

... micropolar fluid flow and heat transfer over a porous shrinking sheet – Int J Heat Mass Transfer, vol.55, pp.2945-2952 Chakrabarti A and Gupta A.S (1979): Hydromagnetic flow and heat transfer ... Effects of heat source/sink on MHD flow and heat transfer over a shrinking sheet with mass suction – Chem Eng Res Bullet., vol.15, pp.12-17 Bhattacharyya K (2011): Effects of radiation and heat ... the boundary layer flow of Newtonian fluids and heat transfer over a shrinking cylinder with wall mass suction The governing equations of motion for the steady axisymmetric flow and the energy equation

Ngày tải lên: 19/11/2022, 11:49

... 19be-§2.4 Overall heat transfer coefficient, U 85maintenance and the use of conventional shell-and-tube heat exchangers With misuse, a given heat exchanger can yield much higher values of R f Notice ... liquids, such as water and liquid metals, give high values ofh and U Fouling resistance Figure2.21shows one of the simplest forms of a heat exchanger—a pipe The inside is new and clean on the left, ... any of the gases, usually yield low values of h When such fluid flows on one side of an exchanger, U will generally be pulled down. Trang 17§2.4 Overall heat transfer coefficient, U 83• Condensing and

Ngày tải lên: 06/12/2015, 23:08

... collectors, heat pipes, nuclear reactors, and crude oil extraction, the characteristics of fluid flow and heat transfer at the interface region of mixed system with a porous medium and an adjacent fluid ... MODEL OF FLUID FLOW AND HEAT TRANSFER WITH POROUS MEDIA XIONG JIE B Eng HUST A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING NATIONAL UNIVERSITY OF ... Besides the experimental and analytical investigations, many CHAPTER INTRODUCTION computational methods have been presented to solve the problems of fluid flow and heat transfer in porous media...

Ngày tải lên: 16/09/2015, 12:42

... the flow patterns were categorized into three types, and characteristics of flow patterns and heat transfer are elucidated For the flows in horizontal eccentric annulus, the flow and the heat transfer ... the geometry of the annulus, the properties of the fluid and the rotation rate of the outer cylinder on the flow and the heat transfer in the annular spaces are investigated Because of its common ... oscillatory multicellular flow occurred 1.3 Objectives and Scope The effects of the rotation of the outer cylinder on the flow and the heat transfer, in concentric configuration and eccentric configuration,...

Ngày tải lên: 27/11/2015, 11:12

... variable surface heat flux Chen and Char presented an exact solution of heat transfer for a stretching surface with variable heat flux P S Gupta and A S Gupta examined the heat and mass transfer for ... Communications in Heat and Mass Transfer, vol 12, no 1, pp 89–94, 1985 L J Grubka and K M Bobba, Heat transfer characteristic of a continuous surface with variabl temperature,” Journal of Heat Transfer, ... suction and blowing Elbashbeshy and Bazid studied heat and mass transfer over an unsteady stretching surface with internal heat generation Abd El-Aziz analyzed the effect of radiation on heat and...

Ngày tải lên: 21/06/2014, 11:20

... additional content, answers to selected end -of- chapter problems, short fluid flow video clips, and software for solving problems in thermodynamics and in heat transfer • Access to a website with additional ... identify features of IT and IHT that will help you make good use of the software in solving thermodynamics and heat transfer problems Why use IT and IHT? You should consider IT and IHT as productivity ... temperature using software Version 05-31-02 Page of IHT: Some Special Tips IHT was designed to accompany the text Fundamentals of Heat and Mass Transfer (4ed, 2002) and Introduction to Heat Transfer (5ed,...

Ngày tải lên: 02/04/2014, 16:45

... condensation in Section 8.5, and of pool boiling burnout in Section 9.3 In all of these cases, heat transfer normally occurs without any conversion of heat to work or work to heat and it would be misleading ... Analysis of heat conduction and some steady one-dimensional problems §4.3 This need only be rearranged to put it in terms of the desired modified variables and x itself (y/x, x r , x, and xz): ... dimensional analysis of several heat transfer problems See, for example, the analyses of laminar convection problem at the beginning of Section 6.4, of natural convection in Section 8.3, of film condensation...

Ngày tải lên: 21/06/2014, 22:20

... imparts Problems 189 a surface flux of 40 kW/m2 Evaluate the temperature of the rod in either side of the heated section if h = 150 W/m2 K around the unheated rod, and Tambient = 27◦ C 4.39 The heat ... expression for Θ as a function of εf and other known information Calculate the base temperature 188 Chapter 4: Analysis of heat conduction and some steady one-dimensional problems 4.31 A cylindrical ... the one-dimensional heat gain through the door, neglecting any conduction around 190 Chapter 4: Analysis of heat conduction and some steady one-dimensional problems the edges of the skin Your answer...

Ngày tải lên: 21/06/2014, 22:20

... surface of a very large box of soil and kept at 35◦ C The surface of the soil is kept at 21◦ C If the steady heat transfer rate is 14 W, what is the thermal conductivity of this sample of soil? ... the end of the rod and about a meter of its length—in a tank of water at 80◦ C If h is 688 W/m2 K on both the end and the sides of the rod, plot the depth of the melt front as a function of time ... of the sphere is not to exceed 30◦ C? 5.31 A semi-infinite slab of ice at −10◦ C is exposed to air at 15◦ C through a heat transfer coefficient of 10 W/m2 K What is the initial rate of melting of...

Ngày tải lên: 21/06/2014, 22:20

... Dergarabedian The rate of growth of bubbles in superheated water J Appl Mech., Trans ASME, 75:537, 1953 [5.14] E R G Eckert and R M Drake, Jr Analysis of Heat and Mass Transfer Hemisphere Publishing ... course of modern fluid mechanics and aerodynamics and laid the foundations for the analysis of heat convection Some introductory ideas §6.1 271 Figure 6.2 Ludwig Prandtl (1875–1953) (Courtesy of Appl ... time his, and Germany’s, great influence in heat transfer and fluid mechanics waned He was succeeded in the chair by another of Germany’s heat transfer luminaries, Ernst Schmidt 276 Laminar and turbulent...

Ngày tải lên: 21/06/2014, 22:20