Engineering Tutorials

ME-313 HEAT TRANSFER LAB

1. Determination of thermal conductivity of :

- a solid insulating material by slab method

- powder materials by concentric spheres method / or by some transient heat transfer technique

- a metal by comparison with another metal by employing two bars when kept in series and / or in parallel under different boundary conditions

- Liquids by employing thin layer

2. Determination of coefficient of heat transfer for free/forced convection from the surface of a cylinder / plate when kept:

a) along the direction of flow

b) perpendicular to the direction of flow

c) inclined at an angle to the direction of flow

3. To plot the pool boiling curves for water and to determine its critical point

4. Determination of heat transfer coefficient for

i) film condendsation

ii) drop-wise condensation

5. Determination heat transfer coefficient by radiation and hence find the Stefan Boltzman’s constant using two plates/two cylinders of same size by making one of the plates/cylinders as a black body.

6. Determination of shape factor of a complex body by an analog technique.

7. To plot the temperature profile and to determine fin effectiveness and fin efficiency for

i) A rod fin when its tip surface is superimposed by different boundary condition like.

a) Insulated tip

b) Cooled tip

c) Temperature controlled tip

ii) Straight transfer fins of various sizes and optimization of fin proportions iii) Circumferential fins of rectangular/triangular section

8. evaluate the performance of a heat pipe 9. Fluidised bed heat transfer

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