surface heat transfer resistance

简明释义

表面传热阻力

英英释义

例句

1.In thermal analysis, understanding the surface heat transfer resistance 表面热传递阻力 is crucial for accurate predictions.

在热分析中，理解surface heat transfer resistance 表面热传递阻力对准确预测至关重要。

2.The engineer calculated the surface heat transfer resistance 表面热传递阻力 to optimize the cooling system.

工程师计算了surface heat transfer resistance 表面热传递阻力以优化冷却系统。

3.Reducing the surface heat transfer resistance 表面热传递阻力 can significantly improve the efficiency of heat exchangers.

降低surface heat transfer resistance 表面热传递阻力可以显著提高热交换器的效率。

4.To enhance thermal conductivity, a coating was applied to reduce the surface heat transfer resistance 表面热传递阻力 of the substrate.

为了增强热导率，涂层被施加以减少基材的surface heat transfer resistance 表面热传递阻力。

5.The surface heat transfer resistance 表面热传递阻力 of the material was measured to assess its performance in high-temperature applications.

为了评估材料在高温应用中的性能，测量了surface heat transfer resistance 表面热传递阻力。

作文

In the field of thermal engineering, understanding heat transfer is crucial for designing efficient systems. One of the key concepts in this area is surface heat transfer resistance, which refers to the opposition to heat flow at the interface between two materials or phases. This resistance plays a significant role in determining the overall thermal performance of various applications, from electronic devices to building insulation. To comprehend surface heat transfer resistance, it is essential to recognize that heat transfer occurs through three primary mechanisms: conduction, convection, and radiation. Each of these processes can be affected by the properties of the materials involved, their surface conditions, and the surrounding environment. For instance, when heat flows from a solid surface to a fluid, the rate of heat transfer will depend heavily on the surface heat transfer resistance at the interface. This resistance can arise from factors such as surface roughness, contamination, and the presence of boundary layers in the fluid.One practical example of surface heat transfer resistance can be observed in heat exchangers, which are widely used in industries like HVAC and chemical processing. The efficiency of a heat exchanger is largely influenced by the thermal resistance at the surfaces where heat exchange occurs. Engineers must consider the surface heat transfer resistance to optimize the design, ensuring that the heat transfer rates meet operational requirements while minimizing energy consumption.Moreover, the surface heat transfer resistance is not only a concern in industrial applications but also in everyday life. For instance, when cooking, the effectiveness of a frying pan is impacted by the heat transfer resistance between the pan's surface and the food being cooked. A well-designed pan with a smooth surface will have lower surface heat transfer resistance, allowing for better heat conduction and more even cooking.In the realm of building construction, surface heat transfer resistance becomes critical when considering insulation materials. The effectiveness of insulation is measured not just by its thermal conductivity but also by its ability to resist heat flow at surfaces. For example, if the exterior walls of a building have high surface heat transfer resistance, they will significantly reduce heat loss during winter months, leading to energy savings and improved comfort for occupants.In conclusion, surface heat transfer resistance is a fundamental concept in thermal management that affects a wide range of applications. By understanding and controlling this resistance, engineers and designers can enhance the efficiency of systems, improve product performance, and contribute to energy conservation efforts. As technology advances, the importance of optimizing surface heat transfer resistance will only grow, emphasizing the need for ongoing research and innovation in this field.

在热工程领域，理解热传递对于设计高效系统至关重要。这个领域的一个关键概念是表面热传递阻力，它指的是在两种材料或相之间的界面上对热流的阻抗。这种阻力在决定各种应用的整体热性能方面发挥着重要作用，从电子设备到建筑绝缘。要理解表面热传递阻力，首先必须认识到热传递通过三种主要机制发生：导热、对流和辐射。每个过程都可以受到所涉及材料的性质、表面条件和周围环境的影响。例如，当热量从固体表面传递到流体时，热传递的速率将严重依赖于界面处的表面热传递阻力。这种阻力可能由于表面粗糙度、污染以及流体中的边界层的存在而产生。表面热传递阻力的一个实际例子可以在热交换器中观察到，热交换器广泛应用于HVAC和化工处理等行业。热交换器的效率在很大程度上受到热交换发生的表面上的热阻的影响。工程师必须考虑表面热传递阻力来优化设计，确保热传递速率满足操作要求，同时最小化能耗。此外，表面热传递阻力不仅是工业应用中的问题，在日常生活中也同样重要。例如，在烹饪时，煎锅的有效性受其表面与食物之间的热传递阻力的影响。设计良好的平滑表面的锅具具有较低的表面热传递阻力，能够更好地导热，从而实现更均匀的烹饪。在建筑施工领域，表面热传递阻力在考虑绝缘材料时变得至关重要。绝缘的有效性不仅是通过其热导率来衡量的，还取决于其在表面上抵抗热流的能力。例如，如果建筑的外墙具有高表面热传递阻力，则将在冬季显著减少热量损失，从而节省能源并提高居住者的舒适度。总之，表面热传递阻力是热管理中的一个基本概念，影响着广泛的应用。通过理解和控制这种阻力，工程师和设计师可以提高系统的效率，改善产品性能，并为节能工作做出贡献。随着技术的进步，优化表面热传递阻力的重要性只会增加，这强调了在这一领域持续研究和创新的必要性。