HEAT TRANSFER
GUJARAT TECHNOLOGICAL UNIVERSITY
BACHELOR OF ENGINEERING
SUBJECT CODE: 2151909
SUBJECT NAME: HEAT TRANSFER
B.E 5th SEMESTER
 Fundamental: Modes of heat transfer, effect of temperature on thermal conductivity of different solids, liquids and gases, derivation of generalized equation in Cartesian, cylindrical and spherical coordinates and its reduction to specific cases, General laws of heat transfer.
 Conduction: Fourier’s law, One dimensional steady state conduction, heat conduction through plane and composite walls, cylinders and spheres, electrical analogy, critical radius of insulation for cylinder and sphere, overall heat transfer coefficient.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Transient heat conduction: lumped heat capacity analysis, time constant, transient heat conduction in solid with finite conduction and convective resistances.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Heat transfer from extended surface: Types of fin, heat flow through rectangular fin, infinitely long fin, fin insulated at the tip and fin losing heat at the tip, efficiency and effectiveness of fin, Biot number, Estimation of error in temperature measurement in a thermometer well.
 Convection: Newton’s law of cooling, dimensional analysis applied to forced and free convection, dimensionless numbersÂ and their physical significance, empirical correlations for free and forced convection, continuity, momentum and energy equation, thermal and hydrodynamic boundary layer, Blasius solution for laminar boundary layer, General solution for VonKarman integral momentum equation
 Radiation: Absorptivity, reflectivity and transmissivity, black, white, and grey body, emissive power, emissivity, laws of radiation Planck, StefanBoltzmann, Wein’s displacement, Kirchhoff’s law, intensity of radiation and solid angle, Lambert’s cosine law. Radiation heat exchange between black bodies, shape factor, heat exchange between nonblack bodies infinite parallel planes and infinite long concentric cylinders, radiation shield, heat exchange between two grey surfaces, electrical analogy.
 Heat exchanger: Classification, heat exchanger analysis, LMTD for parallel and counter flow exchanger, condenser and evaporator, overall heat transfer coefficient, fouling factor, correction factors for multi pass arrangement, effectiveness NTU method for parallel and counter flow heat exchanger, introduction of heat pipe and compact heat exchanger.
 Two phase heat transfer: Boiling of liquids, Pool boiling curve, different types of pool boiling, condensation of vapor, Film wise & drop wise condensation.
Fundamentals of Heat Transfer

1Thermodynamic and Heat Transfer

2Modes of Heat Transfer

3Mechanism of Heat Transfer by Conduction

4Basic Definitions Relating to Heat Transfer

5Fourier's Law of Heat Conduction

6Heat Conduction through a Wall/Slab

7Analogy Between Heat Conduction and Electricity

8Convection

9Radiation

10Laws of Radiation

11General Heat Conduction Equation in Cartesian Coordinates

12Special Cases of General Heat Conduction Equation

13Heat Conduction Equation in Cylindrical (Polar) Coordinates

14General Heat Conduction Equation in Spherical Coordinates
Conduction

15One Dimensional Steady State Heat Conduction through Plane Wall or Infinite Slab without Heat Generation

16Overall Heat Transfer Coefficient U

17Thermal Contact Resistance

18One Dimensional Steady State Heat Conduction through Hollow Cylinder without Heat Generation

19Heat Transfer through a Composite Cylinder with Conduction and Convection

20One Dimensional Steady State Heat Conduction through Hollow Sphere without Heat Generation

21Combined Heat Transfer by Conduction and Convection in Compound Sphere

22Thermal Insulation

23Critical Thickness of Insulation

24Critical Thickness of Insulation in Case of Sphere

25Economic Thickness of Insulation

26Introduction to Transient Heat Conduction

27System with Negligible Internal Resistance Lumped Heat Capacity Method

28Time Constant and Response of Thermocouple

29Introduction to Fins

30Extended SurfaceFins

31Types of Fins and Application

32Analysis of Fins of Uniform Cross Sectional Area(Reactangular Plate Fin / Pin Fin)

33Effectiveness of Fins

34Fin Efficiency

35Overall Fin Effectiveness

36Error in Temperature Measurement by Thermometer
Convection Heat Transfer

37Introduction

38Basic Definitions Related to Convection

39Viscosity

40Laminar and Turbulent Flow

41Continuity Equation

42Differential Equation of Momentum for Fluid Flow

43Energy Equation

44Blasius Solution for Laminar Boundary Layer

45Von Karman Integral Momentum Equation : (Laminar Flow Over Flat Plate)

46Convective Heat Transfer Coefficient

47Boundary Layer Concept

48The Thermal Boundary Layer

49Velocity Boundary Layer Development in Circular Pipes in Forced Convection

50Thermal Boundary Layer in Circular Pipes

51Convective Heat Transfer Coefficient

52Dimensional Analysis

53Physical Significance of Dimensionless Numbers

54Forced Convection Correlations: Flow through Circular Pipe

55Co relations for Fluid Flow Over the Plate

56Co relation for Flow Across a Horizontal Cylinder

57Reynold's Analogy for Laminar Fluid Over Flate Plate

58Mechanism of Natural Convection

59Coefficient of Volumetric Expansion

60Dimensional Analysis of Natural Convection

61Physical Significance of Dimensionless Numbers in Natural Convection

62Correlation Applicable to Natural Convection
Thermal Radiation

63Thermal Radiation

64Theories of Radiation

65Total Emissive Power of a Surface (E)

66Irradiation of a Surface (G)

67Basic Concept and Definations

68Laws of Radiation

69Emissivity of Real Surfaces

70Intensity of Radiation (I) and Solid Angle

71Heat Exchange Between Two Finite Black Surfaces by Radiation

72Radiant Shape Factor Algebra

73Heat Exchange Between Grey Bodies

74Application of Electrical Analogy to Thermal Radiation Heat Exchange Problems

75Radiation Shields

76Radiation Error in Temperature Measurement by Thermocouple

77Solar Radiation

78Green House Effect

79Radiation from Gases, Vapours and Flames
Heat Exchangers

80Definition and Application of Heat Exchangers

81Classification of Heat Exchangers

82Temperature Distribution in Heat Exchangers

83Overall Heat Transfer Coefficient (U)

84Fouling Factor

85Analysis of Heat Exchanger

86The Effectiveness NTU Method

87Heat Pipe

88Design Aspect of Heat Exchanger and its Selection
Condensation and Boiling (Two Phase Heat Transfer)
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