methods of heat transfer in food

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

... 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

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heat transfer in femtosecond laserprocessing of metal

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

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CHEMICAL ANALYSIS OF ANTIBIOTIC RESIDUES IN FOOD pptx

CHEMICAL ANALYSIS OF ANTIBIOTIC RESIDUES IN FOOD pptx

... function (nitroimidazoles, nitrofurans, quinolones, fluoro- quinolones) 4. Inhibition of protein synthesis (aminoglycosides, phenicols, lincosamides, macrolides, streptogramins, pleuromutilins, tetracyclines) 5. Inhibition ... used in sheep and cattle, and neomycin preparations (some in combination with β-lactams) are used in the treatment of bovine mastitis. Systemic use of streptomycin, neomycin, and spectinomycin ... respiratory infections, and in farrowing sows for leptospirosis. Erythromycin is indicated for the prophylaxis of enterotoxemia in lambs, while erythromycin and tylosin are used in the treatment of pneumonia...

Ngày tải lên: 11/03/2014, 03:20

366 801 0
West Bengal University of Technology BF-142, Salt Lake City, Kolkata-700064 Structure & Detailed Syllabus of B.Tech in Food Technology ppt

West Bengal University of Technology BF-142, Salt Lake City, Kolkata-700064 Structure & Detailed Syllabus of B.Tech in Food Technology ppt

... Determination of Moisture in food sample. 2. Determination of Protein in food sample. 3. Determination of Ash in food sample. 4. Determination of Crude Fat in food sample. 5. Determination ... Determination of Acidity & pH in food sample/beverages. 6. Determination of total, non-reducing and reducing sugars. 7. Determination of Vitamin C in food sample. 8. Determination of Pigments in ... Drying of grains, Processing of rice and rice products. Milling of wheat and production of wheat products, including flour and semolina. Module II : 10L Milling of corn, barley, oat, coarse grains...

Ngày tải lên: 18/03/2014, 00:20

45 364 0
hydrodynamics, mass, and heat transfer in chemical engineering, crc (2002) - opet

hydrodynamics, mass, and heat transfer in chemical engineering, crc (2002) - opet

... maintain the rotation of the cylinder at a constant angular velocity W in infinite fluid, it is necessary to apply the following time-dependent angular momentum per unit length of the cylinder: ... contain tables with exact solutions of the heat equation. In addition, the equation of convective diffusion, the continuity equation, equations of motion in some curvilinear orthogonal coordinate ... 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' but in a different coordinate...

Ngày tải lên: 02/04/2014, 15:52

406 354 0
Ptinciples of heat transfer

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 ... mechanisms of heat transfer have been treated separately. In practice, however, heat is usually transferred by several of the basic mechanisms occurring simultaneously. For example, in the winter, heat...

Ngày tải lên: 08/04/2014, 11:00

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methods of behavior analysis in neuroscience - jerry j. buccafusco

methods of behavior analysis in neuroscience - jerry j. buccafusco

... 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 ... basis of physiology and behavior, there are many papers in which various inbred strains of rats are compared to outbred strains according to the criteria of interest. Populations of outbred ... July 17, 2000 4:47 PM © 2001 by CRC Press LLC 82 Methods of Behavior Analysis in Neuroscience V. Training and Testing A. Training B. Testing C. Concurrent Measurements VI. Research Objectives:...

Ngày tải lên: 08/04/2014, 12:37

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heat transfer in femtosecond laser

heat transfer in femtosecond laser

... PROCESSING OF METAL 229 HEAT TRANSFER IN FEMTOSECOND LASER PROCESSING OF METAL Ihtesham H. Chowdhury and Xianfan Xu School of Mechanical Engineering, Purdue University, West Lafayette, Indiana, ... 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 ... 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, 08:55

14 414 1
molecular dynamics simulation of heat transfer and phase change during

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

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molecular dynamics simulation of heat transfer and phase change during

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

10 429 0
molecular dynamics simulation of heat transfer and phase change during

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

10 394 0
theoretical and empirical analysis of the economics of traceability adoption in food supply chains

theoretical and empirical analysis of the economics of traceability adoption in food supply chains

... processors in the US food industry and large retailers chains in the EU are de facto leaders of the supply chain and have a “pilot role in coordinating identity preservation and in the provision of information ... traceability is used in the mailing and package expediting industries, allowing customers to track their packages from the point of origin to its destination. In the airlines industry, tracking systems ... provision of information may itself be imperfect, due to the nature of foodborne risks, the public nature of information, and asymmetries in the supply of food safety or quality information. Starting...

Ngày tải lên: 03/06/2014, 02:17

148 383 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)

... 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 ... December 21, 2007 23:45 68 Heat Exchanger Analysis Batch and semibatch heat exchangers are used when the heating or cooling of a fixed volume of fluid is required, whereas continuous systems are used...

Ngày tải lên: 02/04/2014, 15:52

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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

... 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...

Ngày tải lên: 21/06/2014, 03:20

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Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot

Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot

... CHF during pool boiling of nanofluids increased even when the pool boiling heat transfer of nanofl uid may dec rease or rem ain unchanged. During quench hardening process, the surface heat transfer ... boiling heat transfer of the nanofluids on the grooved surface increases remarkably [120]. Kathiravan e t al. observed the enhancement of heat transfer coefficient during the pool boiling of water-CNT ... enhancement in the pool boiling heat transfer of alumina nanofluids. The enhancement increases with increasing particle concentration and reaches approxi- mately 40% at a particle loading of 1.25%...

Ngày tải lên: 21/06/2014, 04:20

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