# HEAT TRANSFER PDF FOR MECHANICAL ENGINEERING

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#### Topics Of HEAT-TRANSFER PDF FOR MECHANICAL ENGINEERING:

##### UNIT – I
• Introduction :
• Modes and mechanisms of heat transfer
• Basic laws of heat transfer
• General discussion about applications of heat transfer.
• Conduction Heat Transfer
• Fourier rate equation
• General heat conduction equation in Cylindrical, Cartesian and Spherical Coordinates.
##### UNIT – II
• Simplification and forms of the field equation
• Initial and boundary conditions.
• One Dimensional Steady State Conduction Heat Transfer: hollow cylinders, Homogeneous slabs,  and spheres
• the overall heat transfer coefficient
• electrical analogy
• One Dimensional Steady State Conduction Heat Transfer
• Variable Thermal conductivity – Heat generation or systems with heat sources
• Extended surface (fins) Heat Transfer
• Long Fin, Short Fin, And Fin with insulated tip, Application to error measurement of Temperature.
##### UNIT – III
• One Dimensional Transient Conduction Heat Transfer
• Systems with negligible internal resistance
• The significance of Biot and Fourier Numbers
• Chart solutions of transient conduction systems
• The concept of Functional Body
##### UNIT – IV
• Convective Heat Transfer
• Classification of systems based on causation of flow, the condition of flow, the configuration of flow and medium of flow
• Dimensional analysis as a tool for experimental investigation
• Buckingham Pi Theorem
• Method Of Buckingham Pi Theorem
• Application Of Buckingham Pi Theorem for developing semi-empirical non– dimensional correlation for
• convection heat transfer
• The significance of non-dimensional numbers
• Concepts of Continuity, Momentum and Energy Equations.
• Forced convection
• External Flows
• Concepts about thermal boundary and layer hydrodynamic and use of empirical correlations for
• convective heat transfer
• Flat plates and Cylinders
• Internal Flows
• Concepts about Hydrodynamic and Thermal Entry Lengths
##### UNIT – V
• Free Convection
• Development of thermal boundary layer and Hydrodynamic   along a vertical plate
• Use of empirical relations for pipes and Vertplates
##### UNIT – VI
• Heat Transfer with Phase Change: Boiling:
• Pool Boiling
• Regimes Calculations on Critical Heat flux, Nucleate boiling, and Film boiling.
• Condensation: FFilm-wise and dropwise condensation
• Nusselt’s Theory of Condensation on a vertical plate
• Film condensation on and horizontal and vertical cylinders using empirical correlations.
##### UNIT – VII
• Heat Exchangers: Classification of heat exchangers
• overall heat transfer Coefficient and fouling factor
• Concepts of LMTD and NTU methods
• Problems using LMTD and NTU methods.
##### UNIT – VIII
• Emission characteristics and laws of black
• total and monochromatic quantities
• laws of Planck, Boltzmann Wien, Kirchoff, and Lambert, Stefan
• heat exchange between two black bodies
• concepts of shape factor
• Emissivity
• heat exchange between grey bodies
• an electrical analogy for radiation networks.