Lumped System Analysis-01(Hindi) | Heat Transfer | Mechanical Engineering
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- Опубліковано 13 тра 2018
- Explanation:
Consider the cooling of a baked cake or may be roasted chicken when left in the open. It is very well observed that even though the temperature of the cake/chicken goes down but at any instant of time the core is going to be hotter than the surface and this can be checked by simply cutting it through the mid.
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Therefore
T = f(x,y,z,t)
i.e. Temperature at any point within the body is a function of both positions as well as time which is usually the case for any kind of real-life situation. Such situations, when temperature field is a function of time are known as unsteady state (transient) heat conduction problems. The solution to the corresponding governing equation becomes extremely difficult because of the structure of the equation and requires one initial condition and two boundary conditions per each space coordinate involved.
Real Life Application
Lumped System analysis is an assumption made by researchers and engineers in problems of unsteady state heat conduction to obtain approximate results when getting exact analytical results becomes extremely difficult. This assumption is very well applicable to small-sized bodies of high thermal conductivity materials. Such bodies are called lump
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Ultimate way of Teaching sir...
Thanks for Explaining.
Great tq bro
Sir aapne along Y-axis aapne wrong likha h
Wah sir,kya mast btaye hy bilkul clear ho gya concept
Very clear explanation sir!
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Good
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Best discribe sir....