heat-transfer surface

简明释义

传热面

英英释义

例句

1.In industrial applications, the heat-transfer surface area must be optimized to enhance thermal performance.

在工业应用中，必须优化热传递表面的面积以提高热性能。

2.Regular maintenance is essential to keep the heat-transfer surface clean and efficient.

定期维护对于保持热传递表面的清洁和高效至关重要。

3.The heat-transfer surface in a boiler must withstand high temperatures and pressures.

锅炉中的热传递表面必须承受高温和高压。

4.Corrosion can significantly degrade the heat-transfer surface over time.

腐蚀会随着时间的推移显著降低热传递表面的性能。

5.The efficiency of a heat exchanger largely depends on the design of the heat-transfer surface.

热交换器的效率在很大程度上取决于热传递表面的设计。

作文

In the realm of engineering and thermodynamics, the concept of a heat-transfer surface plays a critical role in the design and efficiency of various systems. A heat-transfer surface is defined as any surface that facilitates the transfer of thermal energy between two or more fluids or between a fluid and a solid. This phenomenon is crucial in applications ranging from heating systems to refrigeration units and even in power generation. Understanding the principles governing heat-transfer surfaces can lead to significant improvements in energy efficiency and performance.To illustrate the importance of heat-transfer surfaces, consider the example of a heat exchanger, a device designed to transfer heat between two or more fluids without mixing them. The effectiveness of a heat exchanger largely depends on the design and materials used for its heat-transfer surfaces. For instance, using materials with high thermal conductivity, such as copper or aluminum, enhances the heat transfer rate, allowing for more efficient energy exchange. Additionally, the geometry of the heat-transfer surfaces can be optimized to increase the surface area available for heat transfer, which is another vital factor in improving performance.Moreover, the flow arrangement of the fluids in contact with the heat-transfer surfaces also impacts the overall efficiency of heat exchange. Counterflow arrangements, where the hot and cold fluids move in opposite directions, are often more effective than parallel flow systems because they maintain a higher temperature gradient along the length of the heat exchanger. This principle highlights the importance of not only the material but also the configuration of the heat-transfer surfaces in maximizing thermal performance.In addition to heat exchangers, heat-transfer surfaces are integral components in various other systems, including boilers, condensers, and evaporators. In a boiler, for example, water is heated by combustion gases passing over the heat-transfer surfaces, converting it into steam for power generation. The efficiency of this process is heavily reliant on the design and maintenance of the heat-transfer surfaces, as scale and corrosion can significantly reduce their effectiveness over time.Furthermore, advancements in technology have led to the development of enhanced heat-transfer surfaces. These surfaces are engineered with features such as fins, grooves, or textured patterns that increase turbulence in the fluid flow, thereby improving heat transfer rates. Such innovations are particularly beneficial in industries where space is limited, and maximizing heat transfer efficiency is paramount.In conclusion, the significance of heat-transfer surfaces cannot be overstated in the field of thermal engineering. They are vital for ensuring efficient energy transfer in a multitude of applications, from industrial processes to household appliances. As technology continues to advance, the design and optimization of heat-transfer surfaces will remain a key focus for engineers aiming to enhance system performance and energy efficiency. Understanding the factors that influence the effectiveness of heat-transfer surfaces is essential for anyone involved in the design and operation of thermal systems, making it a fundamental concept in the study of thermodynamics and heat transfer.

在工程和热力学领域，热交换表面的概念在各种系统的设计和效率中发挥着关键作用。热交换表面被定义为任何促进热能在两个或多个流体之间，或在流体与固体之间转移的表面。这种现象对于从供热系统到制冷装置，甚至到发电的应用都是至关重要的。理解支配热交换表面的原理可以显著提高能源效率和性能。为了说明热交换表面的重要性，考虑热交换器的例子，这是一种旨在在两种或多种流体之间传递热量而不混合它们的设备。热交换器的有效性在很大程度上取决于其热交换表面的设计和材料。例如，使用具有高热导率的材料，如铜或铝，可以提高热传递速率，从而实现更高效的能量交换。此外，热交换表面的几何形状可以优化，以增加可用于热交换的表面积，这是提高性能的另一个重要因素。此外，与热交换表面接触的流体的流动排列也会影响热交换的整体效率。逆流排列，即热流体和冷流体相反方向流动，通常比平行流动系统更有效，因为它们在热交换器的长度上保持更高的温度梯度。这一原理强调了不仅是材料，还有热交换表面的配置在最大化热性能中的重要性。除了热交换器，热交换表面也是锅炉、冷凝器和蒸发器等各种其他系统的关键组件。例如，在锅炉中，水通过流经热交换表面的燃烧气体加热，将其转化为用于发电的蒸汽。这个过程的效率在很大程度上依赖于热交换表面的设计和维护，因为水垢和腐蚀会显著降低其有效性。此外，技术的进步导致了增强型热交换表面的发展。这些表面采用鳍片、沟槽或纹理图案等特征进行工程设计，以增加流体流动中的湍流，从而提高热传递速率。这种创新在空间有限且最大化热传递效率至关重要的行业中特别有益。总之，热交换表面的重要性在热工程领域中不可低估。它们对于确保在多种应用中的高效能量转移至关重要，从工业过程到家用电器。随着技术的不断进步，热交换表面的设计和优化将继续成为工程师提升系统性能和能源效率的关键焦点。理解影响热交换表面有效性的因素对于任何参与热系统设计和操作的人来说都是必不可少的，使其成为热力学和热传递研究中的基本概念。