heat passage

简明释义

热传递

英英释义

例句

1.The architect designed the building to optimize heat passage 热量传递 for better climate control.

建筑师设计了这座建筑，以优化热量传递以更好地控制气候。

2.During the experiment, we measured the heat passage 热量传递 in various conditions.

在实验过程中，我们测量了各种条件下的热量传递。

3.The study focused on the heat passage 热量传递 through different materials to find the best insulator.

研究集中在不同材料的热量传递上，以寻找最佳绝缘材料。

4.In thermal insulation, minimizing heat passage 热量传递 is crucial for energy conservation.

在热绝缘中，最小化热量传递对于节能至关重要。

5.The engineer explained how the heat passage 热量传递 in the system affects overall efficiency.

工程师解释了系统中如何影响整体效率的热量传递。

作文

In the world of physics and engineering, the concept of heat passage plays a crucial role in understanding how thermal energy is transferred from one body to another. Heat passage refers to the movement of heat energy through materials, which can occur via conduction, convection, or radiation. Each of these methods of heat transfer has its unique characteristics and applications, making it essential for engineers and scientists to comprehend these principles thoroughly.Conduction is the primary mode of heat passage in solids. It occurs when heat is transferred through direct contact between molecules. For example, when a metal rod is heated at one end, the heat travels along the rod to the cooler end. This process happens because the faster-moving molecules at the hot end collide with their slower-moving neighbors, transferring kinetic energy in the process. Understanding conduction is vital in designing thermal insulation materials that minimize heat passage and conserve energy in buildings.Convection, on the other hand, involves the movement of fluids (liquids or gases) and is another significant method of heat passage. When a fluid is heated, it becomes less dense and rises, while cooler, denser fluid sinks. This creates a circulation pattern known as a convection current. A practical example of this can be seen in heating a pot of water on a stove. The water at the bottom heats up first, rises to the top, and is replaced by cooler water, creating a continuous flow. Engineers often utilize this principle in designing heating systems, such as radiators or HVAC systems, where efficient heat passage is necessary for optimal performance.Radiation is the third mode of heat passage and differs from conduction and convection in that it does not require a medium to transfer heat. Instead, heat is emitted in the form of electromagnetic waves, which can travel through a vacuum. This is how the sun warms the Earth; solar radiation passes through the vacuum of space and heats our planet. Understanding radiation is critical in fields like astronomy and climate science, where heat passage from celestial bodies affects planetary atmospheres and temperatures.The significance of heat passage extends beyond theoretical knowledge; it has practical applications in various industries. For instance, in the automotive industry, engineers must consider heat passage when designing engines and exhaust systems to ensure efficient operation and prevent overheating. In electronics, managing heat passage is crucial for maintaining the performance and longevity of components, such as CPUs and GPUs, which generate significant heat during operation.Moreover, advancements in materials science have led to the development of innovative materials that enhance heat passage in specific applications. For example, thermoelectric materials can convert temperature differences into electrical energy, providing a solution for energy harvesting in various environments.In conclusion, the concept of heat passage is fundamental to understanding how thermal energy moves through different mediums. By mastering this concept, professionals across various fields can design more efficient systems, improve energy conservation, and innovate new technologies. As we continue to face challenges related to energy consumption and environmental sustainability, a deep understanding of heat passage will be essential in developing solutions that benefit society as a whole.

在物理和工程领域，热量传递的概念在理解热能如何从一个物体转移到另一个物体方面发挥着至关重要的作用。热量传递指的是热能通过材料的运动，这可以通过传导、对流或辐射来实现。这三种热量传递的方法各有其独特的特性和应用，因此工程师和科学家必须深入理解这些原理。导热是固体中热量传递的主要方式。当分子之间直接接触时，热量就会通过导热传递。例如，当金属棒的一端被加热时，热量沿着棒传递到较冷的一端。这一过程发生的原因是热端快速移动的分子与其较慢移动的邻居碰撞，从而在这个过程中转移动能。理解导热对于设计能够最小化热量传递并节约建筑能量的绝缘材料至关重要。另一方面，对流涉及流体（液体或气体）的运动，是另一种重要的热量传递方法。当流体被加热时，它的密度降低并上升，而较冷、密度较大的流体则下沉。这会产生一种称为对流电流的循环模式。在加热水的锅中可以看到这一点。底部的水首先被加热，然后上升到顶部，并被较冷的水所替代，形成连续的流动。工程师经常利用这一原理设计供暖系统，如散热器或HVAC系统，其中高效的热量传递对于最佳性能是必要的。辐射是第三种热量传递方式，与导热和对流不同，它不需要介质来传递热量。相反，热量以电磁波的形式发射，可以在真空中传播。这就是太阳如何温暖地球的原因；太阳辐射穿过太空的真空，加热我们的星球。理解辐射在天文学和气候科学等领域至关重要，因为来自天体的热量传递影响行星大气和温度。热量传递的重要性不仅限于理论知识；它在各个行业中具有实际应用。例如，在汽车工业中，工程师在设计发动机和排气系统时必须考虑热量传递，以确保高效运作并防止过热。在电子产品中，管理热量传递对于保持组件（如CPU和GPU）在运行期间的性能和寿命至关重要。此外，材料科学的进步导致开发出创新材料，以增强特定应用中的热量传递。例如，热电材料可以将温差转化为电能，为各种环境中的能量收集提供解决方案。总之，热量传递的概念是理解热能如何通过不同介质移动的基础。通过掌握这一概念，各个领域的专业人士可以设计出更高效的系统，提高能量节约，并创新新技术。随着我们继续面临与能源消耗和环境可持续性相关的挑战，深入理解热量传递将在开发有利于整个社会的解决方案中发挥至关重要的作用。