heat transmission

简明释义

热传递

英英释义

例句

1.The rate of heat transmission 热传导 can significantly affect the performance of a building's heating system.

在建筑供暖系统中，heat transmission热传导的速率可以显著影响其性能。

2.In cooking, different materials have varying heat transmission 热传导 properties that affect how food is prepared.

在烹饪中，不同材料具有不同的heat transmission热传导特性，这会影响食物的准备方式。

3.Understanding heat transmission 热传导 is crucial for developing more efficient solar panels.

理解heat transmission热传导对开发更高效的太阳能电池板至关重要。

4.In thermal insulation materials, effective heat transmission 热传导 is minimized to improve energy efficiency.

在热绝缘材料中，有效的heat transmission热传导被最小化，以提高能效。

5.Engineers study heat transmission 热传导 to design better cooling systems for electronic devices.

工程师研究heat transmission热传导以设计更好的电子设备冷却系统。

作文

Heat transmission is a fundamental concept in the field of thermodynamics and engineering. It refers to the transfer of thermal energy from one object or medium to another. Understanding heat transmission (热传递) is crucial for various applications, including building design, manufacturing processes, and environmental control. In this essay, I will explore the different modes of heat transmission (热传递), their significance, and how they impact our daily lives.There are three primary modes of heat transmission (热传递): conduction, convection, and radiation. Conduction occurs when heat is transferred through direct contact between materials. For instance, when a metal spoon is placed in a hot pot of soup, the heat from the soup transfers to the spoon, causing it to become warm. This process is governed by the thermal conductivity of the materials involved. Metals, for example, have high thermal conductivity, which allows them to transfer heat efficiently.Convection, on the other hand, involves the movement of fluids, such as air or water, to transfer heat. When a fluid is heated, it becomes less dense and rises, while cooler, denser fluid sinks. This creates a circulation pattern that facilitates heat transmission (热传递). A common example of convection can be observed when heating water in a kettle; the hot water at the bottom rises to the surface, while cooler water descends, creating a continuous flow that evenly distributes heat throughout the liquid.Radiation is the third mode of heat transmission (热传递) and occurs through electromagnetic waves. Unlike conduction and convection, radiation does not require a medium; it can occur in a vacuum. The sun's warmth reaching the Earth is a prime example of radiative heat transmission (热传递). Objects that absorb radiation can increase in temperature, which is why dark-colored surfaces tend to get hotter than light-colored ones when exposed to sunlight.The significance of understanding heat transmission (热传递) extends beyond theoretical knowledge; it has practical implications in various fields. For instance, in building design, architects and engineers must consider heat transmission (热传递) to create energy-efficient structures. Insulation materials are selected based on their ability to minimize unwanted heat loss or gain, ultimately leading to reduced energy consumption and lower utility bills.In manufacturing, heat transmission (热传递) plays a critical role in processes such as welding, casting, and heat treatment. Proper control of heat transmission (热传递) can enhance product quality and performance. For example, in welding, the right amount of heat must be applied to ensure that the metals fuse together without compromising their structural integrity.Additionally, understanding heat transmission (热传递) is essential for climate control systems in buildings. Heating, ventilation, and air conditioning (HVAC) systems rely on principles of heat transmission (热传递) to maintain comfortable indoor temperatures. By effectively managing heat transmission (热传递), these systems can optimize energy use and improve overall comfort.In conclusion, heat transmission (热传递) is a vital concept that influences many aspects of our lives, from the design of our homes to the efficiency of industrial processes. By understanding the mechanisms of conduction, convection, and radiation, we can make informed decisions that enhance energy efficiency and improve comfort in our environments. As technology continues to advance, the importance of mastering heat transmission (热传递) will only grow, paving the way for innovative solutions to meet our energy needs sustainably.