thermal electromotive force

简明释义

热电动势

英英释义

例句

1.In a thermoelectric generator, the thermal electromotive force 热电动势 converts heat energy into electrical energy.

在热电发电机中，热电动势 热电动势将热能转化为电能。

2.The efficiency of the device depends significantly on the thermal electromotive force 热电动势 produced.

设备的效率在很大程度上取决于所产生的热电动势 热电动势。

3.The thermal electromotive force 热电动势 is crucial in designing efficient heating systems.

在设计高效加热系统时，热电动势 热电动势是至关重要的。

4.Researchers are studying materials that can enhance the thermal electromotive force 热电动势 for better performance.

研究人员正在研究可以增强热电动势 热电动势的材料，以提高性能。

5.The thermal electromotive force 热电动势 generated by the thermocouple is used to measure temperature differences.

热电偶产生的热电动势 热电动势用于测量温度差。

作文

The concept of thermal electromotive force refers to the electric potential generated by a temperature difference across a conductor or semiconductor. This phenomenon is fundamentally rooted in the principles of thermoelectricity, which explores how temperature gradients can lead to the generation of electrical energy. The understanding of thermal electromotive force is crucial in various applications, including power generation and temperature measurement. In essence, when one end of a material is heated while the other remains cool, charge carriers within the material—such as electrons in metals or holes in semiconductors—gain energy and begin to diffuse from the hot side to the cold side. This movement of charge carriers creates an imbalance that results in a voltage difference, which is the thermal electromotive force. This effect can be observed in thermocouples, which are devices used to measure temperature by exploiting this principle. Thermocouples consist of two different types of metal wires joined at one end. When the junction is subjected to a temperature gradient, a thermal electromotive force is generated, allowing for the measurement of temperature differences. This application is not only practical but also highlights the significance of understanding thermal electromotive force in engineering and scientific research. Moreover, the efficiency of converting heat into electrical energy through thermal electromotive force is a key area of research in the field of renewable energy. Thermoelectric generators, which utilize this phenomenon, can convert waste heat from industrial processes or even the heat generated by the human body into usable electrical power. This capability presents a sustainable solution to energy production, as it taps into otherwise wasted thermal energy. However, the effectiveness of thermoelectric materials in generating a significant thermal electromotive force depends on their specific properties, such as electrical conductivity, thermal conductivity, and the Seebeck coefficient. The Seebeck coefficient is a measure of the magnitude of the induced thermal electromotive force in response to a temperature difference. Research is ongoing to discover and develop new materials that can enhance this effect, thereby improving the performance of thermoelectric devices. In conclusion, the study of thermal electromotive force offers valuable insights into the relationship between heat and electricity. Its applications range from simple temperature measurements to advanced energy conversion technologies. As we continue to explore the potential of thermoelectric materials and their capabilities, the importance of thermal electromotive force will undoubtedly grow in relevance, contributing to innovations in energy efficiency and sustainability. Understanding this concept not only enriches our knowledge of physics but also paves the way for future technological advancements that could have a lasting impact on society. Overall, the significance of thermal electromotive force cannot be overstated, as it embodies the intersection of thermal dynamics and electrical engineering, creating opportunities for practical applications that harness the power of heat for a more sustainable future.

“热电动势”这一概念是指在导体或半导体中由于温差而产生的电位。该现象根植于热电学的基本原理，探索了温度梯度如何导致电能的产生。理解“热电动势”在发电和温度测量等多种应用中至关重要。本质上，当材料的一端被加热而另一端保持冷却时，材料中的载流子——如金属中的电子或半导体中的空穴——获得能量并开始从热侧扩散到冷侧。这种载流子的运动造成了电压差，这就是“热电动势”。这种效应可以在热电偶中观察到，热电偶是一种通过利用这一原理来测量温度的设备。热电偶由两种不同类型的金属线在一端连接而成。当接头受到温度梯度的影响时，会产生“热电动势”，从而允许测量温度差。这一应用不仅实用，还突显了在工程和科学研究中理解“热电动势”的重要性。此外，通过“热电动势”将热量转化为电能的效率是可再生能源领域研究的关键。热电发电机利用这一现象，可以将工业过程中的废热甚至人体产生的热量转化为可用的电力。这一能力提供了一种可持续的能源生产解决方案，因为它利用了本来被浪费的热能。然而，热电材料在产生显著“热电动势”方面的有效性取决于其特定的性质，如电导率、热导率和塞贝克系数。塞贝克系数是指在温度差的作用下所诱导的“热电动势”的大小的量度。研究仍在继续，以发现和开发能够增强这一效应的新材料，从而提高热电设备的性能。总之，研究“热电动势”提供了对热与电之间关系的宝贵见解。其应用范围从简单的温度测量到先进的能量转换技术。随着我们继续探索热电材料及其能力，“热电动势”的重要性无疑会在相关性上不断增长，为提高能源效率和可持续性贡献力量。理解这一概念不仅丰富了我们对物理学的知识，也为未来可能对社会产生深远影响的技术进步铺平了道路。总的来说，“热电动势”的重要性不容小觑，因为它体现了热动力学与电气工程的交集，创造了利用热量为更可持续未来提供动力的实际应用机会。