Mechanical Engineering Exam  >  Mechanical Engineering Videos  >  Topper Handwritten Notes & Videos for GATE ME  >  Conduction and Convection Through Composite Cylinder HMT Tutorial- 18, Heat and Mass Transfer, Mechanical Engineering, GATE

Conduction and Convection Through Composite Cylinder HMT Tutorial- 18, Heat and Mass Transfer, Mechanical Engineering, GATE Video Lecture | Topper Handwritten Notes & Videos for GATE ME

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FAQs on Conduction and Convection Through Composite Cylinder HMT Tutorial- 18, Heat and Mass Transfer, Mechanical Engineering, GATE Video Lecture - Topper Handwritten Notes & Videos for GATE ME

1. What is conduction and convection?
Ans. Conduction is the transfer of heat through a solid material or between two solids in direct contact, due to the collision of particles. Convection, on the other hand, is the transfer of heat through a fluid medium (liquid or gas) by the actual movement of the fluid particles.
2. How does heat transfer occur in a composite cylinder?
Ans. Heat transfer through a composite cylinder occurs through both conduction and convection. Conduction takes place between the layers of the cylinder, while convection occurs between the outer surface of the cylinder and the surrounding medium (fluid).
3. What factors affect the rate of heat transfer in a composite cylinder?
Ans. The rate of heat transfer in a composite cylinder is influenced by several factors, including the thermal conductivity of the cylinder material, the temperature difference between the inner and outer surfaces, the thickness of each layer, and the convective heat transfer coefficient between the outer surface and the surrounding fluid.
4. How can the rate of heat transfer be calculated in a composite cylinder?
Ans. The rate of heat transfer in a composite cylinder can be calculated by considering the conductive heat transfer through each layer of the cylinder using the thermal conductivity and thickness of each layer. Additionally, the convective heat transfer coefficient and the temperature difference between the outer surface and the surrounding fluid need to be taken into account.
5. What are the practical applications of analyzing conduction and convection in composite cylinders?
Ans. Understanding conduction and convection in composite cylinders is crucial in various engineering applications. It is commonly applied in the design and analysis of heat exchangers, such as shell-and-tube heat exchangers or double-pipe heat exchangers. This knowledge also finds application in the design of thermal insulation systems, where controlling heat transfer through composite cylinders is essential for energy efficiency.
59 videos|189 docs
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