heat transfer rate

简明释义

传热率

英英释义

The heat transfer rate is the amount of thermal energy that is transferred per unit time, typically measured in watts (W).

热传递速率是指每单位时间内传递的热能量,通常以瓦特(W)为单位进行测量。

例句

1.Increasing the surface area of the radiator can significantly improve the heat transfer rate.

增加散热器的表面积可以显著提高热传递率

2.In this experiment, we measured the heat transfer rate of different materials to find the best insulator.

在这个实验中,我们测量了不同材料的热传递率以找到最佳绝缘体。

3.The engineer calculated the heat transfer rate to determine the efficiency of the cooling system.

工程师计算了热传递率以确定冷却系统的效率。

4.A higher heat transfer rate means faster cooling in refrigeration applications.

在制冷应用中,更高的热传递率意味着更快的冷却。

5.The heat transfer rate is crucial for designing efficient HVAC systems.

对于设计高效的暖通空调系统来说,热传递率至关重要。

作文

Heat transfer is a fundamental concept in the field of thermodynamics and engineering. It refers to the movement of thermal energy from one object or medium to another. The efficiency of this process can be quantified using the term heat transfer rate, which is defined as the amount of heat energy transferred per unit time. Understanding the heat transfer rate is crucial for various applications, including heating and cooling systems, refrigeration, and even in natural processes like climate control.The heat transfer rate can be influenced by several factors, including the temperature difference between the two mediums, the surface area through which heat is being transferred, and the thermal conductivity of the materials involved. For instance, in a home heating system, the heat transfer rate will be higher if there is a significant temperature difference between the heated air and the surrounding environment. Similarly, materials with high thermal conductivity, like metals, will allow for a greater heat transfer rate compared to insulators like wood or plastic.In engineering applications, calculating the heat transfer rate is essential for designing efficient systems. For example, in a heat exchanger, engineers need to ensure that the heat transfer rate is sufficient to meet the desired heating or cooling load. This involves selecting appropriate materials and designing the system layout to maximize surface area while minimizing resistance to heat flow.Moreover, the heat transfer rate is critical in understanding natural phenomena. For example, meteorologists study the heat transfer rate between the earth's surface and the atmosphere to predict weather patterns. Similarly, environmental scientists examine the heat transfer rate in bodies of water to understand how temperature changes can affect aquatic life.In conclusion, the concept of heat transfer rate plays a vital role across various fields, from engineering to environmental science. By comprehensively understanding the factors that influence the heat transfer rate, we can design better systems, predict natural events more accurately, and ultimately improve our technological advancements. Whether it is optimizing a heating system or studying climate change, mastering the principles behind the heat transfer rate is essential for progress in many areas of science and engineering.

热传递是热力学和工程学领域的一个基本概念。它指的是热能从一个物体或介质转移到另一个物体或介质的过程。使用术语热传递速率可以量化这个过程的效率,它被定义为单位时间内转移的热能量。理解热传递速率对于各种应用至关重要,包括供暖和制冷系统、制冷以及自然过程如气候调控。热传递速率可以受到几个因素的影响,包括两个介质之间的温差、热量传递的表面积以及所涉及材料的热导率。例如,在家庭供暖系统中,如果加热空气与周围环境之间存在显著的温差,则热传递速率将更高。同样,像金属这样的高热导率材料将允许比木材或塑料等绝缘材料更大的热传递速率。在工程应用中,计算热传递速率对于设计高效系统至关重要。例如,在热交换器中,工程师需要确保热传递速率足以满足所需的加热或冷却负荷。这涉及选择适当的材料并设计系统布局,以最大化表面积,同时最小化热流阻力。此外,热传递速率在理解自然现象中也至关重要。例如,气象学家研究地球表面与大气之间的热传递速率以预测天气模式。同样,环境科学家检查水体中的热传递速率以了解温度变化如何影响水生生物。总之,热传递速率的概念在各个领域发挥着重要作用,从工程到环境科学。通过全面理解影响热传递速率的因素,我们可以设计更好的系统,更准确地预测自然事件,并最终改善我们的技术进步。无论是优化供暖系统还是研究气候变化,掌握热传递速率背后的原理对于科学和工程的许多领域的进步都是必不可少的。

相关单词

heat

heat详解:怎么读、什么意思、用法