heat-transfer material
简明释义
载热体
英英释义
A substance or medium that facilitates the transfer of thermal energy from one body or system to another. | 一种物质或介质,促进热能从一个物体或系统转移到另一个物体或系统。 |
例句
1.In automotive applications, heat-transfer materials 热传导材料 play a significant role in engine cooling systems.
在汽车应用中,热传导材料 heat-transfer materials 在发动机冷却系统中起着重要作用。
2.In the design of heat exchangers, selecting the right heat-transfer material 热传导材料 is crucial for efficiency.
在热交换器的设计中,选择合适的热传导材料 heat-transfer material 对于效率至关重要。
3.Researchers are developing new heat-transfer materials 热传导材料 that can operate at higher temperatures.
研究人员正在开发能够在更高温度下工作的新的热传导材料 heat-transfer materials。
4.The efficiency of solar panels can be improved by using advanced heat-transfer materials 热传导材料 in their construction.
通过在太阳能电池板的构造中使用先进的热传导材料 heat-transfer materials,可以提高其效率。
5.Copper is often preferred as a heat-transfer material 热传导材料 due to its excellent thermal conductivity.
由于其优良的导热性,铜常被优先选择作为热传导材料 heat-transfer material。
作文
In the realm of engineering and applied sciences, the term heat-transfer material refers to substances that facilitate the transfer of thermal energy from one medium to another. These materials play a crucial role in various applications, ranging from industrial processes to everyday household appliances. Understanding the properties and applications of heat-transfer materials is essential for engineers and scientists alike, as they directly influence the efficiency and effectiveness of thermal management systems.The primary function of heat-transfer materials is to conduct heat. This can be achieved through conduction, convection, or radiation, depending on the context. For example, metals such as copper and aluminum are commonly used as heat-transfer materials due to their high thermal conductivity. In contrast, fluids like water and oil serve as effective heat-transfer materials in heating and cooling systems, where convection plays a significant role.One of the most critical aspects of heat-transfer materials is their thermal conductivity, which measures how well a material can conduct heat. High thermal conductivity materials are often preferred in applications requiring rapid heat dissipation, such as in electronic devices where overheating can lead to failure. Conversely, materials with low thermal conductivity, such as insulators, are used to minimize heat loss in buildings and appliances, enhancing energy efficiency.In addition to thermal conductivity, the specific heat capacity of heat-transfer materials is another vital property. Specific heat capacity refers to the amount of heat required to change a material's temperature by a certain degree. Materials with high specific heat capacities can absorb and store more thermal energy, making them ideal for applications like thermal energy storage systems. For instance, water is frequently used in solar thermal systems because it can store large amounts of heat, which can then be released when needed.Furthermore, the phase change characteristics of some heat-transfer materials add another layer of functionality. Phase change materials (PCMs) can absorb or release significant amounts of heat during the transition between solid and liquid states. This property is particularly useful in temperature regulation applications, such as building materials designed to maintain comfortable indoor temperatures by absorbing excess heat during the day and releasing it at night.The choice of heat-transfer materials also depends on the specific requirements of the application. For instance, in automotive engineering, specialized heat-transfer materials are used in radiators and engine cooling systems to ensure optimal performance and longevity. In the aerospace industry, lightweight yet efficient heat-transfer materials are crucial for managing the thermal loads experienced during flight.In conclusion, the study and application of heat-transfer materials are fundamental to numerous fields, including engineering, environmental science, and energy management. By understanding the properties and behaviors of these materials, professionals can design more efficient systems that improve energy usage and reduce costs. As technology advances, the development of new heat-transfer materials will likely continue to evolve, paving the way for innovative solutions to modern energy challenges.
在工程和应用科学领域,术语热传递材料指的是促进热能从一个介质转移到另一个介质的物质。这些材料在各种应用中发挥着至关重要的作用,从工业过程到日常家用电器。理解热传递材料的性质和应用对于工程师和科学家来说都是至关重要的,因为它们直接影响热管理系统的效率和有效性。热传递材料的主要功能是导热。这可以通过导热、对流或辐射来实现,具体取决于上下文。例如,铜和铝等金属因其高热导率而常被用作热传递材料。相反,水和油等流体在供暖和冷却系统中作为有效的热传递材料,其中对流起着重要作用。热传递材料最重要的方面之一是它们的热导率,它衡量材料导热的能力。高热导率的材料通常在需要快速散热的应用中受到青睐,例如在电子设备中,过热可能导致故障。相反,低热导率的材料,如绝缘体,则用于最小化建筑和电器中的热损失,提高能源效率。除了热导率,热传递材料的比热容也是另一个重要特性。比热容指的是改变材料温度所需的热量。具有高比热容的材料能够吸收和储存更多的热能,使其在热能储存系统等应用中理想。例如,水在太阳能热系统中经常使用,因为它可以储存大量热量,然后在需要时释放。此外,一些热传递材料的相变特性增加了其功能性。相变材料(PCM)在固态和液态之间转换时可以吸收或释放大量热量。这一特性在温度调节应用中尤其有用,例如设计用于通过在白天吸收多余热量并在夜间释放来保持舒适室内温度的建筑材料。选择热传递材料还取决于应用的具体要求。例如,在汽车工程中,专门的热传递材料用于散热器和发动机冷却系统,以确保最佳性能和耐用性。在航空航天行业,轻质且高效的热传递材料对于管理飞行过程中经历的热负荷至关重要。总之,研究和应用热传递材料对于多个领域(包括工程、环境科学和能源管理)至关重要。通过理解这些材料的性质和行为,专业人士可以设计出更高效的系统,从而提高能源使用效率并降低成本。随着技术的进步,新型热传递材料的发展可能会继续演变,为现代能源挑战铺平道路。