heat transfer considerations a zero dimensional analysis

... [15] Das S S., Satapathy A. , Das J K., Panda J P Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium under oscillatory suction and heat source ... 4.4 Rate of heat transfer The rate of heat transfer at the wall i.e the heat flux in terms of Nusselt number Nu for different values of α and Kp are entered in Table The heat flux at the wall ... periodic permeability Ind J Pure Appl Math 2002, 33(6), 941-949 [13] Chauhan D S., Sahal S Flow and heat transfer over a naturally permeable bed of very small permeability with a variable suction...

Ngày tải lên: 05/09/2013, 14:58

... Experimental and theoretical model Heat transfer study; (Al-Kassir et al., 2005) SCD (indirect heating) Experimental Heat and mass transfer study; Studied the performance of a lab-scale furnace-heated ... of a calciner and an impregnator, represented by a cylindrical vessel and a double cone vessel respectively Particle-particle heat transfer was modeled using standard heat balance equations and ... The most basic granular heat transfer model consists of three basic mechanisms (Ohmori et al., 1994): i Wall-to-surface heat transfer; ii Heat penetration in packed beds; iii Granular convection...

Ngày tải lên: 02/10/2015, 17:14

... Experimental and theoretical model Heat transfer study; (Al-Kassir et al., 2005) SCD (indirect heating) Experimental Heat and mass transfer study; Studied the performance of a lab-scale furnace-heated ... of a calciner and an impregnator, represented by a cylindrical vessel and a double cone vessel respectively Particle-particle heat transfer was modeled using standard heat balance equations and ... The most basic granular heat transfer model consists of three basic mechanisms (Ohmori et al., 1994): i Wall-to-surface heat transfer; ii Heat penetration in packed beds; iii Granular convection...

Ngày tải lên: 07/10/2015, 10:10

... Dimensionless Parameters 59 Table 4.2 Thermal Conductivities of Materials 69 Table 4.3 Heat Transfer Specifications and Areas 69 Table 5.1 A Comparison between Experimental Data & Simulated 77 Results Table ... several locations The recuperative heat exchangers have two separate flow passages and the streams continuously exchange heat with each other Such heat exchangers are relatively inexpensive to manufacture ... The advantages and disadvantages of the stored expendable cryogen are tabulated below: National University of Singapore Filename:TeoHY.pdf CHAPTER INTRODUCTION Table 1.2 Advantages & Disadvantages...

Ngày tải lên: 27/11/2015, 11:20

... article as: Sergis and Hardalupas: Anomalous heat transfer modes of nanofluids: a review based on statistical analysis Nanoscale Research Letters 2011 6:391 Submit your manuscript to a journal ... properties of nanomaterials and radiative heat transfer at the nanoscale Presentation at the 44th AIAA Aerospace Sciences Meeting and Exhibit, Georgia Institude of Technology, Atlanda, Georgia 2006 128 ... boiling of nanofluid on a short heated surface Int J Multiphase Flow 2010, 36:375-384 104 Sergis A, Hardalupas Y: Anomalous heat transfer modes of nanofluids: a statistical analysis approach review...

Ngày tải lên: 21/06/2014, 03:20

... conjugate heat analytically or numerically, and the heat conduction equation transforms to a transfer analysis Laplace equation for the transform parameter U(T ) The heat conduction equation ... reference manual, White Plains, New York Rahaim, C., Cavalleri, R.J and Kassab, A. J (1997), “Computational code for conjugate heat transfer problems an experimental validation effort”, AIAA Paper 97-2487 ... thermal analysis method with application to metallic thermal protection panels”, AIAA Journal of Thermophysics and Heat Transfer, Vol 11 No 2, pp 173-81 Li, H and Kassab, A. J (199 4a) , “Numerical...

Ngày tải lên: 16/06/2016, 01:11

... heat transfer coefficient and F1 is the heat- transfer surface area of the hightemperature-side heat exchanger , β is the overall heat transfer coefficient and F2 is the heat- transfer surface area ... The total heat transfer surface area ( F ) of the two heat exchangers is assumed to be a constant: F = F1 + F2 (3) There exists a constant rate of bypass heat leakage ( q ) from the heat source ... Carnot heat engine with linear phenomenological heat transfer law [54, 57] If n = , they are the results of irreversible Carnot heat engine with radiative heat transfer law [55, 57] (2) Equations...

Ngày tải lên: 05/09/2013, 15:28

... [1] Saini J.S Use of artificial roughness for Enhancing Performance of Solar air heater Proceedings of XVII National and VI ISHME/ASME Heat and Mass Transfer Conference, IGCAR, Kalpakkam India 2004; ... rectangular rib roughened passage” International Journal of Heat and mass transfer; 123: 675-681, 2001 [6] Lau S.C., McMillin R.D and Han J.C Turbulent Heat transfer and friction in a square channel ... Tariq, A. , Keshav Kant and Panigrahi, P K., Heat transfer enhancement using an internally threaded tube”, Proceeding of the 4th ISHMT-ASME and 15th National Conference on Heat and Mass transfer...

Ngày tải lên: 05/09/2013, 16:10

... material and method of approach is followed by chapters on chemical reactor analysis (Chapter 2), heat exchanger analysis (Chapter 3), and mass contactor analysis (Chapter 4) These chapters have ... the analysis Time constraints have a significant impact on this decision, as resources available We will illustrate this aspect of analysis by examining chemical reactors, heat exchangers, and mass ... presentation of heat and mass transfer, maintaining mathematical rigor while keeping mathematical analysis to a minimum This allows students to develop a strong conceptual understanding and teaches...

Ngày tải lên: 02/04/2014, 15:52

... [10] Thanhtrung Dang, Ngoctan Tran and Jyh-tong Teng, Numerical and Experimental investigations on heat transfer phenomena of an aluminium microchannel heat sink, Applied Mechanics and Materials, ... Lin, Shuangfeng Wang, Jiepeng Huo, Yanxin Hu, Jinjian Chen, Winston Zhang, and Eton Lee, Heat transfer characteristics and LED heat sink application of aluminum plate oscillating heat pipes, Applied ... case, the heat source is the LED lamp [1] Heat sinks are devices which enhance heat dissipation from a hot surface, usually for the case of a heat generating component, to a cooler ambient Alvin...

Ngày tải lên: 26/05/2014, 21:29

... Therefore, radiation brings heat to our planet Heat excites the black surface of the vanes more than it heats the white surface Black is a good absorber and a good radiator Think of black as a large ... doorway that allows heat to pass through easily In contrast, white is a poor absorber and a poor radiator of energy White is like a small doorway and will not allow heat to pass easily Note that heat ... formulation of Navier-Stokes equations for fluid 210 Heat Transfer Heat Transfer - Mathematical Modelling, Numerical Methods and Information Technology flow and heat transfer Simulations as well as...

Ngày tải lên: 20/06/2014, 01:20

... IX Heat Transfer in Micro Systems Chapter Integrated Approach for Heat Transfer in Fluidized Bed Reactors Zeeshan Nawaz, Shahid Naveed, Naveed Ramzan and Fei Wei Chapter Two-Phase Heat Transfer ... Quantitative Visualization of Heat Transfer in Oscillatory and Pulsatile Flows Cila Herman 353 Chapter 14 Application of Mass /Heat Transfer Analogy in the Investigation of Convective Heat Transfer ... Coefficient Measurement 307 Douglas Fernandes Barbin and Vivaldo Silveira Junior Chapter 12 Marangoni Condensation Heat Transfer Yoshio Utaka Part Chapter 13 327 Heat Transfer Phenomena and Its Assessment...

Ngày tải lên: 20/06/2014, 06:20

... boiling of fluorocarbon liquid on a simulated electronic chip in a vertical rectangular channel Int J Heat and Mass Transfer, 32: 379–394 Nakayama, W.; Nakajima, T.; Ohashi, S & Kuwahara, H (1989) ... the Heat transfer laboratory of the “Stefan cel Mare” University of Suceava, Romania, we developed mini heat exchangers that integrate micro channels Image 1 0a shows a plate from a mini heat exchanger ... contact appears, change which leads to the alteration of the heat exchange transfer First, a special attention is Heat Transfer in Minichannels and Microchannels CPU Cooling Systems 59 paid to assess...

Ngày tải lên: 20/06/2014, 06:20

... microchannel also occurs for measurements of the heat transfer data All the heat transfer data reported is based on an average of the heat transfer over the entire microchannel That is, by measuring ... can be accelerated and bombards on a target material (a cathode) so that flux of atoms can be sputtered and collected on the substrate Usually, a physically inert gas, such as argon gas, is made ... chapter are briefly described as follows: Gas flow and the associated heat transfer characteristics in microchannels Liquid flow and heat transfer characteristics in microchannels including (a) ...

Ngày tải lên: 20/06/2014, 06:20

... idea to fabricate a suspended channel over an air layer (Wu et al., 1998) to reduce the heat loss may be adopted to fabricate a heat transfer channel However, this kind of channel that has a very ... channel wall To pass a steady current through the resistor, a uniform heat generation along the wall can be obtained However, the heater may have an uncontrollable heat loss at different locations ... wafer, a very good thermal conductor that has a very high thermal conductivity, as a substrate to fabricate a micro-channel These difficulties make the measurements and analysis of the heat transfer...

Ngày tải lên: 20/06/2014, 06:20

... International Journal of Heat and Mass Transfer, Vol 45, pp.2549-2565 Qu, W and Mudawar, I (200 3a) Flow boiling heat transfer in two-phase micro-channel heat sinks-I Experimental investigation and ... International Conference on Heat Transfer and Transport Phenomena in Microscale, Banff, Canada, pp.155-161 Takao, K (1961) Rarefied gas flow between two parallel plates, in: Rarefied gas dynamics, ... microchannels, International Journal of Heat and Mass Transfer, Vol 43, pp.353-364 Qu, W., Mala, G M and Li, D (2000b) Heat transfer for water flow in trapezoidal silicon microchannels, International...

Ngày tải lên: 20/06/2014, 06:20

... indicates that heat transfer is very important also in this case The heat flux at the collapse point is as much as 10 GW/m2, however, the heat flow rate is about mW 204 Heat Transfer - Theoretical ... in lateral direction results in a constant heater temperature and heat flux in microgravity compared to that in normal gravity The steady-state pool boiling still can be maintained At high heat ... conducted aboard the Chinese recoverable satellites by our group in the National 216 Heat Transfer - Theoretical Analysis, Experimental Investigations and Industrial Systems Microgravity Laboratory/CAS...

Ngày tải lên: 20/06/2014, 06:20

... with a transparent heater J Heat Transfer Trans ASME, 117: 408-417 Ohta, H., Kawasaki, K., Azuma, H., Yoda, S., and Nakamura, T., 1999 On the heat transfer mechanisms in microgravity nucleate ... Microgravity heat transfer in flow boiling Adv Heat Transfer, 37, 1–76 Ohta, H., Kawasaki, K., Azuma, H., Yoda, S., Nakamura, T., 1999 On the heat transfer mechanisms in microgravity nucleate boiling Adv ... electrical heating 264 264 Heat Transfer - Theoretical Analysis, Experimental Investigations and Industrial Systems Heat Transfer - Theoretical Analysis, Experimental Investigations and Industrial...

Ngày tải lên: 20/06/2014, 06:20

... (2008) Computational simulation for the development of packages for bananas [Simulação computacional aplicada ao desenvolvimento de embalagens para bananas] Revista Brasileira de Fruticultura, 30 (1) ... to the heat transfer 328 Heat Transfer - Theoretical Analysis, Experimental Investigations and Industrial Systems characteristics of Marangoni condensation Further, Utaka & Nishikawa (200 3a, 2003b) ... 0.53 0.5 Departing drop diameter d mm (b) Fig 20 Heat transfer characteristics at point of maximum heat transfer coefficient; (a) Variation of maximum heat transfer coefficient against vapor velocity;...

Ngày tải lên: 20/06/2014, 06:20

... chapter application of the mass /heat transfer 380 Heat Transfer - Theoretical Analysis, Experimental Investigations and Industrial Systems analogy in the study of heat transfer in short minichannels ... qualitative (visual) insight and quantitative data on the investigated physical process In convective Quantitative Visualization of Heat Transfer in Oscillatory and Pulsatile Flows 355 heat transfer ... Reynolds number as a parameter are shown in Fig Application of Mass /Heat Transfer Analogy in the Investigation of Convective Heat Transfer in Stationary and Rotating Short Minichannels I, mA 1.5 387...

Ngày tải lên: 20/06/2014, 06:20