Heat Transfer
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Heat Transfer Syllabus — Unit-wise Content
The official GTU curriculum for Heat Transfer (subject code 3151909) as prescribed for Mechanical Engineering · Semester 5 divides the course into 5 units, covering 44 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3151909)Unit 1 Conduction
- Fourier’s law, effect of temperature on thermal conductivity of different solids
- liquids and gases
- generalized equation in Cartesian
- cylindrical and spherical coordinates and its reduction to specific cases
- 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 Heat transfer from extended surface: Types of fin, heat flow through uniform cross-sectional area fin for various cases like infinitely long fin, fin insulated at the tip and fin losing heat at the tip, efficiency and effectiveness of fin, Estimation of error in temperature measurement in a thermometer well Transient heat conduction: lumped capacitance method for bodies of infinite thermal conductivity
- time constant
- one dimensional transient heat conduction in plane wall with finite conduction and convective resistances
Unit 2 Convection
- Newton’s law of cooling
- dimensional analysis applied to forced and free convection
- dimensionless numbers and their physical significance
- empirical correlations for free and forced convection
- momentum and energy equations
- thermal and hydrodynamic boundary layer
- Blasius solution for laminar boundary layer
- General solution for Von-Karman integral momentum equation
Unit 3 Radiation
- reflectivity and transmissivity
- white and grey body
- emissive power
- Kirchhoff’s law, Planck’s law, Rayleigh-Jeans’ law, Wien’s law, Wien’s displacement law, Stefan-Boltzmann law, intensity of radiation
- radiation heat exchange between black bodies
- shape factor
- electrical analogy
- radiation heat exchange between gray bodies
- radiation shields
Unit 4 Heat exchanger
- 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 8 Subject Code:3151909 w.e.f
Unit 5 Two-phase heat transfer
- Boiling of liquids
- Pool boiling curve
- modes of pool boiling
- correlation for pool boiling
- condensation of vapor
- film wise and drop wise condensation
- condensation on flat surfaces and horizontal tubes
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