Process Heat Transfer
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Process Heat Transfer Syllabus — Unit-wise Content
The official GTU curriculum for Process Heat Transfer (subject code 2140503) as prescribed for Chemical · Semester 4 divides the course into 7 units, covering 50 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 (2140503)Unit 1 Introduction to three modes of heat transfer
- Conduction convection & radiation
- General laws of heat transfer. 03 5
Unit 2 Conduction
- Fourier's law, Thermal Conductivity – its variation with temperature & Pressure and its relationship with electrical conductivity
- Heat transfer through composite walls and cylinders
- Unsteady state heat transfer through some important shapes
- Different types of insulating materials
- general properties & application of insulators
Unit 3 Natural convection
- Natural convection from vertical plates & horizontal cylinders
- Forced convection: In laminar flow - Heat transfer in plate & tubes
- In turbulent flow - Empirical equations for individual coefficients: inside tubes
- outside tubes
- outside bundle of tubes
- flow past spheres
- Significance of Prandtl No.
- Nusselt No.
- Grashof No.
- Graetz No. & Peclet No
- Correction for tube length
- Corrections for heating and cooling the fluid
- Various analogies between heat & momentum transfer
Unit 4 Radiation
- Radiation laws like Stefan Boltzmann’s law, Kirchhoff’s law, Wien’s law, Plank's law etc
- Black body
- Grey body
- Emissivity of black bodies and gray bodies
- Application of thermal radiation: Radiation Transfer between surfaces
- Radiation through semi transparent materials
Unit 5 Heat transfer with phase change
- Boiling of liquids
- Pool boiling curve
- different types of pool boiling
- condensation of vapor
- film wise & drop wise condensation
- weighted LMTD & Overall Heat transfer Coefficient for desuperheating & sub cooling
Unit 6 Evaporation
- Performance of tubular evaporator
- Individual & overall Coefficients
- Capacity & economy of evaporators
- Boiling point elevation
- Durhing’s rule
- Effect of liquid head & friction on pressure drop
- Types of evaporators
- Multiple effect evaporators
- Vapor recompression
- Thermal recompression & mechanical recompression
Unit 7 Heat Exchange equipments
- Double pipe heat exchangers
- Individual and overall heat transfer coefficient
- Variable overall Heat transfer coefficient
- fouling factors
- Shell & tube heat exchangers
- LMTD correction factors
- Extended surface heat exchangers
- Fin efficiency and fin effectiveness
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