... Christopher D McDaniel (2004), A Practical Manual for Understanding the Shell Structure of Broiler Hatching Eggs and Measurement of their Quality, Mississipi State University, p 3-5 ... Modeling Simultaneous Heat and Mass Transfer in Isotropic Sphere, Trans ASEA, pp 31 Husain A., Chen C.S., Clayton J T, Whitney L.F (1972), Mathematical Simulation of Mass and Heat Transfer in High ... A., Chen C.S., Clayton J T (1973), Simultaneuos Heat and Mass Diffusion in Biological Material, Trans ASAE, pp 69-73 Luikov, A V (1980), Heat and mass transfer, Mir Publisher, Moscow Peebles E...
Ngày tải lên: 28/08/2013, 08:31
... jointly by the School of Journalism and Mass Communication and the School of Hospitality and Tourism Management The objective of this certificate program is to prepare professionals for a communications ... Communication Law and Ethics (3) An in-depth examination of legal and ethical issues confronting professional communicators Focus on the responsibilities and rights of communicators and the implications ... MMC 3003 and 3.0 cumulative GPA (Supplies fee assessed) ADV 4103 Radio/TV Concepts (3) Theory and practice of producing advertisements for radio and TV Includes production of a radio and/ or TV...
Ngày tải lên: 23/03/2014, 13:20
fundamentals of heat and mass transfer
... users of the text, both in terms of (a) the broad background and research interests of instructors and (b) the wide range of missions associated with the departments and institutions at which ... William Dalzell of the Massachusetts Institute of Technology for the stimulating and detailed discussion of thermal entry effects in Chapter We acknowledge Amir Faghri of the University of Connecticut ... the First Law of Thermodynamics (Conservation of Energy) 13 1.3.2 Relationship to the Second Law of Thermodynamics and the Efficiency of Heat Engines 31 Units and Dimensions Analysis of Heat Transfer...
Ngày tải lên: 02/04/2014, 15:51
incropera fundamentals of heat and mass transfer
... over the hand’s surface, (2) Convection coefficient is uniform over the hand, and (3) Negligible radiation exchange between hand and surroundings in the case of air flow ANALYSIS: The hand will ... power and efficiency of a transmission Temperature and convection coefficient for air flow over the casing Emissivity of casing and temperature of surroundings FIND: Surface temperature of casing ... from some form of energy to thermal energy The storage term Est represents the rate of change of internal energy (2) From Table 1.1 and the magnitude of the convection coefficient determined from...
Ngày tải lên: 02/04/2014, 15:52
Fundementals of heat and mass transfer kotandaraman
... study of heat transfer is directed to (i) the estimation of rate of flow of energy as heat through the boundary of a system both under steady and transient conditions, and (ii) the determination of ... solid has a density of 19000 kg/m3 and a specific heat of 0.118 kJ/kgK Determine the rate of change of temperature of the body at that instant in °C/s Solution: Refer equation 1.4 and Fig 1.8 (q – ... negative temperature gradient Newtons laws of motion used in the determination of fluid flow parameters Law of conservation of mass, used in the determination of flow parameters The rate equations...
Ngày tải lên: 08/04/2014, 10:55
Báo cáo lâm nghiệp: "Evaluation of competition and light estimation indices for predicting diameter growth in mature boreal mixed forests" pdf
... growth of a subject tree of a given species is assumed to vary as a power function of the size of the neighbour, and as an inverse power function of the distance to the neighbour The net effect of ... distance-independent (basal area of competitors) and the best distance-dependent (CRWD) index are provided in Tables IV and V and Figures and The combination of basal area and transmissive-crown PAR ... and the sum of sine of elevation angles (SEAS45) (Tab I) We developed the SEAS45 index as an elevation angle analog to Lin’s [32] horizontal angle sum To determine the impacts of neighbours of...
Ngày tải lên: 07/08/2014, 16:21
fundamentals of heat and mass transfer solutions manual phần 1 docx
... over the hand’s surface, (2) Convection coefficient is uniform over the hand, and (3) Negligible radiation exchange between hand and surroundings in the case of air flow ANALYSIS: The hand will ... power and efficiency of a transmission Temperature and convection coefficient for air flow over the casing Emissivity of casing and temperature of surroundings FIND: Surface temperature of casing ... from some form of energy to thermal energy The storage term Est represents the rate of change of internal energy (2) From Table 1.1 and the magnitude of the convection coefficient determined from...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 2 docx
... thickness and thermal conductivity of steel tubes Temperature of steam flowing through the tubes Thermal conductivity of insulation and emissivity of aluminum sheath Temperature of ambient air and ... prescribed value of h, q′ is fixed, while qi , and hence q′ , increase and decrease, respectively, o with increasing k and R ′ These trends are attributable to the effects of k and R ′ on the ... 3.42 KNOWN: Electric current and resistance of wire Wire diameter and emissivity Thickness, emissivity and thermal conductivity of coating Temperature of ambient air and surroundings Expression...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 3 pdf
... h l ∆x/k + ) T13 = < COMMENTS: For fixed To and T∞, the relative amounts of heat transfer to the air and heat sink are determined by the values of h and R ′′ t,c PROBLEM 4.41 KNOWN: Nodal point ... a grid spacing of 30 mm and the Gauss-Seidel method, determine the nodal temperatures and the heat rate per unit length into the bar from the fluid, (b) Effect of grid spacing and convection ... Ts and indicate the heat rates The heat rate per unit length is q ′ = qa′ + qb + qc + qd + qe or in terms of conduction terms between nodes, ′ ′ ′ q′ = q′ + q2 + q3 + q4 + q′ + q ′7 Each of these...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 4 docx
... With a time increment of ∆t = s, obtain values of Tm for the first 45s of elapsed time; determine the corresponding heat fluxes at the boundaries; and (d) Determine the effect of mesh size by repeating ... spatial and time increments of ∆x = mm and ∆t = 1s, compute and plot the temperature distributions in the wall for the initial condition, the steady-state condition, and two intermediate times, and ... 120 s) and T(0.15 m, 120s) using the finite-element software FEHT for a surface emissivity of 0.94 and (b) Plot the temperature histories for x = 0, 150 and 600 mm, and explain key features of your...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 5 ppsx
... conductivity and emissivity of Nichrome wire Electrical current Temperature of air flow and surroundings Velocity of air flow (a) Surface and centerline temperatures of the wire, (b) Effect of flow ... conductivity of 0.15 W/m⋅K; and (c) Plot the conductor temperatures of the bare and insulated conductors for wind velocities in the range of to 20 m/s Comment on the features of the curves and the ... Diameter, thickness and thermal conductivity of steel pipe Temperature of water flow in pipe Temperature and velocity of air in cross flow over pipe Cost of producing hot water (a) Cost of daily heat...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 6 docx
... conductivity and inner and outer diameters of plastic pipe Volumetric flow rate and inlet and outlet temperatures of air flow through pipe Convection coefficient and temperature of water FIND: ... Prandtl number PROBLEM 8.35 KNOWN: Diameters and thermal conductivity of steel pipe Temperature and velocity of water flow in pipe Temperature and velocity of air in cross flow over pipe Cost of ... rate and properties of hot fluid Initial temperature, volume and properties of pharmaceutical Heat transfer coefficient at outer surface and dimensions of coil FIND: (a) Expressions for Tc(t) and...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 7 pot
... Diameter and outer surface temperature of steam pipe Diameter, thermal conductivity, and emissivity of insulation Temperature of ambient air and surroundings FIND: Effect of insulation thickness and ... k m D2 From knowledge of Ts, q′ = ( Ti − Ts ) R ′ may then be determined Using the Correlations and i i Properties Tool Pads of IHT to determine h o and the properties of air evaluated at Tf ... 1009 W and t = 9.62 h PROBLEM 9.58 KNOWN: A long uninsulated steam line with a diameter of 89 mm and surface emissivity of 0.8 transports steam at 200°C and is exposed to atmospheric air and large...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 8 ppsx
... U, for the HXer, outlet temperature of cooling water, Tc,o, and condensation rate of the steam m h ; and (b) Compute and plot Tc,o and m h as a function of the water flow rate 10 ≤ mc ≤ ... coefficient and condensation rate of saturated steam Tube diameter for shell -and- tube heat exchanger with one shell pass and two tube passes Velocity and inlet and maximum allowable exit temperatures of ... the properties, we assumed that Th ≈ 335 K and Tc ≈ 300 K From the calculated values of Th,o and Tc,o, more appropriate estimates of Th and Tc are 338 K and 322 K, respectively We conclude that...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 9 ppt
... relative to q′′ conv and εEb and dT/dt is still significant PROBLEM 12.92 KNOWN: Temperatures of furnace wall and top and bottom surfaces of a planar sample Dimensions and emissivity of sample FIND: ... s s (1) where α and ε are determined from knowledge of αλ and h is estimated from an appropriate correlation Plate total emmissivity: From Eq 12.38 written in terms of the band emission factor, ... history of the workpiece from the start of heating to the end of cooling; identify key features of the process; determine the total time requirement; and justify the lumped-capacitance method of analysis...
Ngày tải lên: 08/08/2014, 17:20
fundamentals of heat and mass transfer solutions manual phần 10 doc
... these values of T1 and T2, Rconv,hc and Rrad,hc should be recomputed and the process repeated until satisfactory agreement is obtained between the initial and computed values of T1 and T2 (2) The ... determined from Eq (13.24) and radiation exchange with the surroundings is determined from Eq (13.27) The inner and outer convection coefficients, h i and h o , are determined from Eq (9.26), and ... Dimensions and inclination angle of a flat-plate solar collector Absorber and cover plate temperatures and emissivities FIND: (a) Rate of heat transfer by free convection and radiation, (b) Effect of...
Ngày tải lên: 08/08/2014, 17:20
A numerical study of heat and mass transfer in porous fluid coupled domains
... Concentration difference Figure 7.7 Effects of different Dam p and Dam f for middle and high 217-219 Effects of different and reaction rate; K m =0.260, h/H=0.5, ε = 0.9 , β = and β1 = : (a) Interface line ... NUMERICAL STUDY OF HEAT AND MASS TRANSFER IN POROUS-FLUID COUPLED DOMAINS CHEN XIAOBING (B Eng., University of Science and Technology of China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHYLOSOPHY ... between porous and fluid domains 26 Table 3.1 Length of the recirculation zone, angle of separation and drag coefficient for Re = 20 and Re = 40 62 Table 3.2 Comparison of drag and lift coefficients...
Ngày tải lên: 12/09/2015, 21:13
Natural convection unsteady magnetohydrodynamic mass transfer flow past an infinite vertical porous plate in presence of suction and heat sink
... number of research papers of some International Journals Dr Das is currently acting as the honorary member of editorial board of Indian Journal of Science and Technology and as Referee of AMSE ... as a Faculty of Physics in Gandhi Institute of Engineering and Technology, Gunpur, Orissa (India) from 2002-2003 and presently working as the Vice-Principal and Head of the faculty of Physics in ... concentration distribution and also on the skin friction and rate of heat transfer in the flow field are analyzed and discussed with the help of velocity profiles 1-5, temperature profiles 6-7, concentration...
Ngày tải lên: 05/09/2013, 15:28
Estimation of luminous efficacy of daylight and illuminance for composite climate
... Delhi city and validation of interior illuminance model Location and climatic conditions New Delhi is located in Northern part of India, a latitude 28.58o N and a longitude of 77.02o E and at an ... the horizontal and four vertical places based on normal office hour of 08.0–17.0 The effects of inclination can be observed The horizontal illuminance is around one and a half times of the vertical ... calculation Mitigation of CO2 emission The mitigation of CO2 emission from the energy saving potential and corresponding amount of carbon credit potential of the skylight for big and small dome room...
Ngày tải lên: 05/09/2013, 16:10