heat transfer conductance

简明释义

热传导

英英释义

例句

1.We measured the heat transfer conductance 热传导能力 of the insulation to ensure energy efficiency.

我们测量了绝缘材料的热传导能力 heat transfer conductance以确保能效。

2.The heat transfer conductance 热传导能力 of metals is typically higher than that of plastics.

金属的热传导能力 heat transfer conductance通常高于塑料。

3.In designing HVAC systems, engineers must consider the heat transfer conductance 热传导能力 of the building materials.

在设计暖通空调系统时，工程师必须考虑建筑材料的热传导能力 heat transfer conductance。

4.The heat transfer conductance 热传导能力 of the material determines how efficiently it can transfer heat.

材料的热传导能力 heat transfer conductance 决定了它传递热量的效率。

5.The higher the heat transfer conductance 热传导能力, the quicker the heat will flow through the surface.

越高的热传导能力 heat transfer conductance，热量通过表面的流动就越快。

作文

Heat transfer is a fundamental concept in the field of thermodynamics, and it plays a crucial role in various engineering applications. One of the key parameters that determine how effectively heat is transferred between materials is known as heat transfer conductance. This term refers to the ability of a material to conduct heat, which directly influences the efficiency of thermal systems. Understanding heat transfer conductance is essential for designing efficient heating and cooling systems, insulating materials, and even electronic devices.To better grasp the significance of heat transfer conductance, we must first consider the mechanisms of heat transfer: conduction, convection, and radiation. Among these, conduction is the process that occurs when heat moves through a solid material. The rate at which heat is conducted is determined by the material's thermal conductivity and its geometry. This is where heat transfer conductance comes into play. It is defined as the amount of heat that can be transferred per unit time per unit temperature difference across a material.In practical terms, a higher heat transfer conductance indicates that a material is more efficient at transferring heat. For example, metals such as copper and aluminum have high conductance values, making them ideal for applications requiring rapid heat dissipation, such as heat sinks in electronic devices. Conversely, materials with low heat transfer conductance, like fiberglass or foam, are excellent insulators, preventing heat loss in buildings and appliances.The relationship between heat transfer conductance and thermal resistance is also critical. Thermal resistance is the measure of a material's opposition to heat flow. It is inversely related to heat transfer conductance; as conductance increases, resistance decreases. This relationship is vital in fields like building construction, where architects and engineers must select materials that balance insulation and energy efficiency.Moreover, understanding heat transfer conductance is not limited to static systems. In dynamic environments, such as HVAC (heating, ventilation, and air conditioning) systems, the conductance of materials can change due to varying temperatures and airflow conditions. Therefore, engineers must consider these factors when designing systems to ensure optimal performance.In conclusion, heat transfer conductance is a key concept in the study of heat transfer that has far-reaching implications across various industries. Its importance in determining the efficiency of thermal systems cannot be overstated. As technology advances and the demand for energy-efficient solutions grows, a thorough understanding of heat transfer conductance will be essential for engineers and scientists alike. By mastering this concept, we can innovate and improve the way we manage heat in our everyday lives, leading to more sustainable and efficient technologies.

热传递是热力学领域中的一个基本概念，在各种工程应用中发挥着至关重要的作用。决定材料间热量有效传递的关键参数之一被称为热传导能力。这个术语指的是材料导热的能力，这直接影响到热系统的效率。理解热传导能力对于设计高效的加热和冷却系统、绝缘材料，甚至电子设备至关重要。为了更好地理解热传导能力的重要性，我们首先必须考虑热传递的机制：导热、对流和辐射。在这三种机制中，导热是在固体材料中发生的热量移动过程。热量传导的速率由材料的热导率和几何形状决定。这就是热传导能力发挥作用的地方。它被定义为单位时间内每单位温度差通过材料传递的热量。在实际应用中，更高的热传导能力表明材料在传递热量方面更有效。例如，铜和铝等金属具有较高的导热值，使它们非常适合需要快速散热的应用，如电子设备中的散热器。相反，像玻璃纤维或泡沫塑料等具有低热传导能力的材料则是绝佳的绝缘体，可以防止建筑物和电器中的热量损失。热传导能力与热阻之间的关系也至关重要。热阻是衡量材料对热流阻碍程度的指标。它与热传导能力成反比；当导热能力增加时，热阻减少。这一关系在建筑施工等领域至关重要，建筑师和工程师必须选择能够平衡绝缘和能效的材料。此外，理解热传导能力并不仅限于静态系统。在动态环境中，例如HVAC（供暖、通风和空调）系统，由于温度和气流条件的变化，材料的导热能力可能会发生变化。因此，工程师在设计系统时必须考虑这些因素，以确保最佳性能。总之，热传导能力是热传递研究中的一个关键概念，对各个行业有着深远的影响。它在确定热系统效率方面的重要性不容小觑。随着技术的进步和对节能解决方案的需求增加，全面理解热传导能力将对工程师和科学家至关重要。通过掌握这一概念，我们可以创新和改善我们日常生活中的热管理方式，从而推动更可持续和高效的技术发展。