transmission of heat by contact

简明释义

接触传热

英英释义

例句

1.When you touch a hot stove, you experience the transmission of heat by contact, which can result in burns.

当你触摸一个热炉子时，你会经历通过接触传递热量，这可能导致烧伤。

2.The transmission of heat by contact is a key principle in heat exchangers used in HVAC systems.

在暖通空调系统中，通过接触传递热量是热交换器的一个关键原理。

3.The transmission of heat by contact is why metal objects feel colder than wood at the same temperature.

在相同温度下，金属物体感觉比木头冷的原因是通过接触传递热量。

4.During the winter, wearing gloves helps reduce the transmission of heat by contact between your hands and the cold air.

在冬天，戴上手套有助于减少你手和冷空气之间的通过接触传递热量。

5.In cooking, the transmission of heat by contact from the pan to the food is essential for proper cooking.

在烹饪中，锅与食物之间的通过接触传递热量对正确烹饪至关重要。

作文

The phenomenon of heat transfer is a fundamental concept in physics, and one of the most common methods through which heat is exchanged is through the transmission of heat by contact. This process occurs when two objects at different temperatures come into direct physical contact with each other. The basic principle behind this transmission is that heat energy naturally flows from a hotter object to a cooler one until thermal equilibrium is reached. Understanding this concept is essential in various fields, including engineering, cooking, and environmental science.In everyday life, we encounter the transmission of heat by contact in numerous situations. For instance, when you touch a metal spoon that has been sitting in a hot pot of soup, you can feel the heat transferring from the spoon to your hand. This is because the metal conducts heat very efficiently, allowing the thermal energy to move quickly from the hot spoon to your cooler skin. Similarly, when cooking on a stovetop, the heat from the burner is transmitted to the pot through direct contact, allowing the food inside to cook.In engineering applications, understanding the transmission of heat by contact is crucial for designing efficient heating and cooling systems. For example, in HVAC (heating, ventilation, and air conditioning) systems, engineers must consider how heat moves through ducts and pipes. Proper insulation is often used to minimize unwanted heat transfer, ensuring that the system operates efficiently and effectively. Additionally, in electronics, the transmission of heat by contact plays a significant role in maintaining the performance and longevity of devices. Heat sinks are commonly used to dissipate heat away from sensitive components, preventing overheating and potential failure.Another important aspect of the transmission of heat by contact is its relevance to environmental science. For example, understanding how heat is transferred between the ground and the atmosphere can help scientists predict weather patterns and climate changes. Soil temperature affects plant growth, and knowing how heat is transmitted through soil can inform agricultural practices. Furthermore, the transmission of heat by contact also plays a role in natural processes such as the melting of ice and snow, which can impact ecosystems and water supply.In conclusion, the transmission of heat by contact is a vital concept that permeates many aspects of our daily lives and various scientific disciplines. Whether it is in our kitchens, within technological systems, or in the natural environment, understanding how heat is transferred through direct contact helps us make informed decisions and improve efficiency. As we continue to explore the intricacies of heat transfer, we gain valuable insights that can lead to advancements in technology, better resource management, and a deeper appreciation for the natural world around us.

热传递现象是物理学中的一个基本概念，而热量交换的最常见方法之一就是通过接触传热。当两个不同温度的物体直接接触时，就会发生这一过程。传导的基本原理是热能自然地从较热的物体流向较冷的物体，直到达到热平衡。理解这个概念在工程、烹饪和环境科学等多个领域中至关重要。在日常生活中，我们在许多场合遇到接触传热。例如，当你触摸一个放在热汤锅里的金属勺子时，可以感受到热量从勺子传递到你的手。这是因为金属的导热性能非常好，使得热能能够迅速地从热勺子移动到较冷的皮肤上。类似地，在炉灶上烹饪时，热量通过直接接触从燃烧器传递到锅中，使得锅内的食物得以烹饪。在工程应用中，理解接触传热对于设计高效的加热和冷却系统至关重要。例如，在HVAC（供暖、通风和空调）系统中，工程师必须考虑热量如何通过管道和管道移动。通常使用适当的绝缘材料来最小化不必要的热传递，确保系统高效有效地运行。此外，在电子设备中，接触传热在维持设备性能和延长使用寿命方面也起着重要作用。散热器通常用于将热量从敏感组件中散发出去，以防止过热和潜在故障。接触传热的另一个重要方面是它与环境科学的相关性。例如，了解热量如何在地面和大气之间转移可以帮助科学家预测天气模式和气候变化。土壤温度影响植物生长，了解热量如何在土壤中传递可以为农业实践提供信息。此外，接触传热在冰雪融化等自然过程中也起着作用，这可能会影响生态系统和水资源供应。总之，接触传热是一个重要的概念，渗透到我们日常生活的许多方面以及各种科学学科中。无论是在我们的厨房、技术系统中，还是在自然环境中，理解热量如何通过直接接触传递有助于我们做出明智的决策并提高效率。随着我们继续探索热传递的复杂性，我们获得了宝贵的见解，这可以促进技术进步、更好的资源管理，以及对我们周围自然世界的更深刻理解。