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Posted Date: 29 Jan 2020 Posted By:: Shouvik Maj Member Level: Silver Points: 3 (₹ 2)

2019 B.E Mechanical Engineering B.E Jadavpur University Mechanical Engineering Heat Transfer (2nd Year First Semester) 2019 Question paper
Are you looking for previous year question papers of 2nd year in Mechanical Engineering stream of Heat Transfer? In this page you will get your question paper and thus practice for your Exam.
{Please scroll below to get the PDF file of the Question paper given as attachment} B.E Mechanical Engineering 2nd year, 1st Semester Heat Transfer
Total Time  3 Hours Full Marks  100
Syllabus
1. Introduction: Modes of heat transfer  (1 lecture) 2. Conduction: Fourier law of heat conduction for isotropic material. Thermal conductivity. Derivation of general heat conduction equation. Non dimensionalisation thermal diffusivity and Fourier number. Types of boundary conditions. Solution of steady one dimensional conduction problem with and without heat generation. Analogy with electrical circuits. Critical thickness of insulation. Finsrectangular and pin fins. Fin effectiveness and efficiency. Lumped parameter approach and significance of time constant. Biot number Solution of ID transient heat conduction equation without generation using product solution.  (10 lectures) 3. Radiation: Physical mechanism of thermal radiation. Laws of radiation. definition of black body, emissive power. radiation intensity.reflectivity. transmissivity. irradiation, radiosity.Radiation exchange between black bodies Concept of grey ditIuseisotropic (OD!) surface. Exchange between GDI surfaces by radiation network method. Radiation shielding.  (8 lectures) 4. Convection: Introduction. Newton's law of cooling and significance of heat transfer coefficient. Momentum and energy equation in twodimensions. Nondimensionalisation and significance of nondimensional quantities. Scale analysis for flow over flatplate. Velocity and thermal boundary layer thickness by integral method. Natural convectioneffect of coupling on the conservation equation. One dimensional solution for COllette and Poiseulli flow.Concept of developing and developed How. Correlationsforced convection for external and internal flows. natural convection over a vertical llatplate. (15 Iectures) 5. Heat exchangers: Types of heat exchangers. Introduction to UVITD. Correction factor. Fouling factor EffcctivenessNTU method for heat exchangers, rating and sizing.  (4 lectures) 6. Boiling and condensation: Pool boiling curve. D.N.B, critical heat nux. drop and filmwise condensation, laminar film condensation on a vertical plate
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