surface coefficient of heat transfer

简明释义

表面散热系数

英英释义

例句

1.The surface coefficient of heat transfer 表面热传递系数 affects the overall thermal performance of the building.

建筑物的整体热性能受表面热传递系数 surface coefficient of heat transfer 的影响。

2.To improve the cooling system, we need to optimize the surface coefficient of heat transfer 表面热传递系数 between the coolant and the surface.

为了改善冷却系统，我们需要优化冷却液与表面之间的表面热传递系数 surface coefficient of heat transfer 。

3.The engineer calculated the surface coefficient of heat transfer 表面热传递系数 for the new heating system to ensure efficiency.

工程师计算了新供暖系统的表面热传递系数 surface coefficient of heat transfer 以确保效率。

4.In this experiment, we measured the surface coefficient of heat transfer 表面热传递系数 of various materials to find the best insulator.

在这个实验中，我们测量了各种材料的表面热传递系数 surface coefficient of heat transfer 以寻找最佳绝缘体。

5.The surface coefficient of heat transfer 表面热传递系数 is crucial for designing efficient heat exchangers.

对于设计高效热交换器来说，表面热传递系数 surface coefficient of heat transfer 是至关重要的。

作文

The concept of the surface coefficient of heat transfer is fundamental in understanding how heat moves between solid surfaces and fluids. In engineering and physics, this coefficient quantifies the efficiency of heat transfer from a surface to a surrounding fluid or vice versa. It is particularly important in applications such as HVAC systems, refrigeration, and thermal insulation design. The surface coefficient of heat transfer can be influenced by various factors, including the nature of the fluid, the flow conditions, and the temperature difference between the surface and the fluid.To elaborate, the surface coefficient of heat transfer is often expressed in units of watts per square meter per degree Celsius (W/m²·°C). This measurement indicates how much heat energy is transferred through a unit area of the surface for each degree of temperature difference. A higher coefficient signifies more efficient heat transfer, which is desirable in many thermal management applications.For instance, consider a heating system where hot water flows through pipes. The surface coefficient of heat transfer between the pipe's inner surface and the water affects the system's efficiency. If the coefficient is high, more heat will be transferred to the water, allowing the system to operate effectively. Conversely, a low coefficient may result in insufficient heating, leading to energy waste and reduced performance.Moreover, the surface coefficient of heat transfer can vary significantly depending on the flow regime of the fluid. In laminar flow, where the fluid moves in parallel layers, the heat transfer is less effective compared to turbulent flow, where the fluid exhibits chaotic and irregular motion. Engineers must carefully select materials and design systems that optimize the surface coefficient of heat transfer to enhance overall energy efficiency.In practical applications, the surface coefficient of heat transfer is determined through empirical correlations or experimental measurements. Factors such as surface roughness, temperature gradients, and fluid properties play crucial roles in these determinations. For example, a smooth surface may have a different surface coefficient of heat transfer than a rough one, even under identical conditions.Understanding the surface coefficient of heat transfer is also vital in the context of thermal insulation. Insulation materials are designed to minimize heat transfer, and knowing the coefficients involved helps engineers choose the right materials for specific applications. By reducing the surface coefficient of heat transfer, buildings can maintain comfortable temperatures while consuming less energy, contributing to sustainability efforts.In conclusion, the surface coefficient of heat transfer is a critical parameter in thermal analysis and engineering design. Its influence on heat transfer efficiency impacts various systems and applications, from industrial processes to residential heating. By optimizing this coefficient, engineers can improve system performance, enhance energy efficiency, and contribute to environmental sustainability. Therefore, a thorough understanding of the surface coefficient of heat transfer is essential for anyone working in fields related to thermal dynamics and energy management.

“表面热传递系数”这一概念在理解热量如何在固体表面与流体之间移动方面至关重要。在工程和物理学中，该系数量化了从表面到周围流体或反之的热传递效率。它在HVAC系统、制冷和热绝缘设计等应用中尤为重要。“表面热传递系数”可能受多种因素的影响，包括流体的性质、流动条件以及表面与流体之间的温度差。具体而言，“表面热传递系数”通常以每平方米每摄氏度瓦特（W/m²·°C）为单位表示。这个测量值表示在单位表面积内，每度温差传递的热能。较高的系数意味着更高效的热传递，这在许多热管理应用中是可取的。例如，考虑一个加热系统，其中热水流经管道。管道内表面与水之间的“表面热传递系数”会影响系统的效率。如果系数较高，更多的热量将传递给水，从而使系统有效运行。相反，低系数可能导致加热不足，从而造成能源浪费和性能下降。此外，“表面热传递系数”可能因流体的流动状态而显著变化。在层流中，流体以平行层的方式移动，热传递效果较差，而在湍流中，流体表现出混乱和不规则的运动。工程师必须仔细选择材料并设计系统，以优化“表面热传递系数”，以提高整体能效。在实际应用中，“表面热传递系数”是通过经验相关性或实验测量确定的。表面粗糙度、温度梯度和流体性质等因素在这些确定中起着至关重要的作用。例如，即使在相同条件下，光滑表面与粗糙表面的“表面热传递系数”也可能不同。了解“表面热传递系数”在热绝缘的背景下同样重要。绝缘材料旨在最小化热传递，了解涉及的系数有助于工程师选择适合特定应用的材料。通过降低“表面热传递系数”，建筑物可以在消耗更少能源的同时保持舒适的温度，从而为可持续发展做贡献。总之，“表面热传递系数”是热分析和工程设计中的关键参数。它对热传递效率的影响影响着从工业过程到住宅供暖的各种系统和应用。通过优化该系数，工程师可以提高系统性能、增强能效并为环境可持续性做出贡献。因此，深入理解“表面热传递系数”对于任何从事热动力学和能源管理相关领域的人来说都是必不可少的。