Bài tập Dẫn nhiệt ổn định một chiều - TS. Phan Thành Nhân

Learn about heat transfer through a series of 7 practical problems covering various aspects, including convection, conduction, and radiation. These problems help understand real-world applications and are beneficial for those studying science and engineering.

Students, engineers, and scientists interested in studying heat transfer mechanics.

This resource offers a collection of 7 practical problems focused on understanding heat transfer mechanisms: convection, conduction, and radiation. Each problem presents unique challenges and solutions, providing invaluable insights into various aspects of heat transfer.

1st Problem: Calculate the thermal conductivity of an insulation layer for a furnace to maintain a specific temperature range over time. To solve this problem, one must understand changes in heat capacity and temperature inside and outside the furnace.

2nd Problem: Analyze the temperature distribution on the surface of a hot object, taking into account the variation of thermal conductivity and temperatures both internally and externally.

3rd Problem: Determine the rate of heat transfer through a solid material using different modes (convection, conduction, radiation) and understanding the properties of the material and surrounding environment.

4th Problem: Calculate the emissivity of a pipe and identify temperature distribution within it. This problem requires an understanding of heat exchange between surfaces in thermal contact.

5th Problem: Find the rate of heat loss through a pipe due to both convection and radiation. Knowledge of heat transfer coefficients and surface temperatures is essential.

6th Problem: Estimate the temperature drop along a pipe caused by simultaneous conduction, convection, and radiation heat loss. This problem tests one's understanding of overall heat transfer mechanisms.

7th Problem: Calculate the cooling rate of an object due to evaporation and convection. Understanding the latent heat of vaporization and temperature differences is crucial in solving this problem.

Why is it important to study these problems? By working through them, one gains a deeper understanding of heat transfer, various materials, and techniques for efficient heat management, which can help solve everyday problems.