convected heat

简明释义

对寥

英英释义

例句

1.Understanding convected heat is essential for designing efficient HVAC systems.

理解对流热对于设计高效的暖通空调系统至关重要。

2.During the summer, convected heat from the sun can increase indoor temperatures rapidly.

在夏天，来自太阳的对流热可以迅速提高室内温度。

3.The heating system relies on convected heat to warm the entire room efficiently.

该供暖系统依赖于对流热来有效地加热整个房间。

4.In a well-insulated house, convected heat can significantly reduce energy costs.

在一个良好绝缘的房子里，对流热可以显著降低能源成本。

5.The chef used convected heat from the oven to bake the bread evenly.

厨师利用烤箱中的对流热均匀地烘焙面包。

作文

Heat transfer is a fundamental concept in physics and engineering, and one of the most important methods of heat transfer is through convection. When we discuss heat transfer, we often mention terms like conduction, radiation, and convected heat. Understanding convected heat is crucial for various applications, from designing efficient heating systems to understanding weather patterns. In this essay, I will explain what convected heat is, how it works, and its significance in our daily lives.Convected heat, or 对流热, refers to the process of heat transfer that occurs when a fluid (liquid or gas) moves and carries thermal energy with it. This movement can happen naturally due to differences in temperature and density, known as natural convection, or it can be forced by external means, such as fans or pumps, known as forced convection. To grasp how convected heat operates, consider a simple example: boiling water in a pot. When the pot is placed on a stove, the bottom of the pot heats up first. The water at the bottom becomes warm, expands, and becomes less dense than the cooler water above it. As a result, the warmer water rises, and the cooler water descends to take its place. This continuous cycle creates a convection current, effectively transferring heat throughout the pot. Thus, the process of convected heat ensures that all the water reaches the desired temperature evenly.The significance of convected heat extends beyond cooking. It plays a vital role in numerous applications across different fields. In meteorology, for instance, convected heat is crucial for understanding weather systems. Warm air rises, leading to the formation of clouds and precipitation. Similarly, in HVAC (heating, ventilation, and air conditioning) systems, engineers rely on the principles of convected heat to design systems that efficiently regulate indoor temperatures, ensuring comfort in residential and commercial buildings.Moreover, the concept of convected heat is also essential in environmental science. Ocean currents, which are driven by the uneven heating of the Earth's surface, distribute heat around the planet, influencing climate patterns. Understanding these currents helps scientists predict changes in weather and climate, which is increasingly critical in today's context of global warming.In industrial processes, convected heat is utilized in various ways, such as in drying operations, where hot air is circulated to remove moisture from products. In power generation, cooling systems often use convected heat to dissipate excess heat from machinery, thereby improving efficiency and preventing overheating.In conclusion, convected heat is a vital mechanism of heat transfer that impacts many aspects of our lives, from cooking and climate to engineering and industry. By understanding how convected heat works, we can better appreciate the natural phenomena around us and improve our technological applications. As we continue to face challenges related to energy efficiency and climate change, harnessing the principles of convected heat will be essential for developing sustainable solutions for the future.

热传递是物理学和工程学中的一个基本概念，而热传递的最重要方法之一就是通过对流。当我们讨论热传递时，我们常常提到导热、辐射和对流热等术语。理解对流热对于各种应用至关重要，从设计高效的加热系统到理解天气模式。在这篇文章中，我将解释对流热是什么，它是如何工作的，以及它在我们日常生活中的重要性。对流热，或称为convected heat，指的是当流体（液体或气体）移动并携带热能时发生的热传递过程。这种运动可以由于温度和密度差异而自然发生，称为自然对流；也可以通过外部手段（如风扇或泵）强制进行，称为强制对流。为了理解对流热的运作，考虑一个简单的例子：在锅中煮水。当锅放在炉子上时，锅底首先加热。底部的水变得温暖，膨胀，并且比上面的冷水密度小。因此，温暖的水上升，较冷的水下降以取代它的位置。这一持续循环产生了对流电流，有效地将热量传递到整个锅中。因此，对流热的过程确保所有的水均匀地达到所需的温度。对流热的重要性不仅限于烹饪。它在不同领域的许多应用中发挥着至关重要的作用。例如，在气象学中，对流热对于理解天气系统至关重要。温暖的空气上升，导致云和降水的形成。同样，在HVAC（供暖、通风和空调）系统中，工程师依赖于对流热的原理来设计有效调节室内温度的系统，确保住宅和商业建筑的舒适。此外，对流热的概念在环境科学中也至关重要。海洋洋流由地球表面的不均匀加热驱动，分配热量到整个星球，影响气候模式。理解这些洋流有助于科学家预测天气和气候的变化，这在当今全球变暖的背景下愈发重要。在工业过程中，对流热以多种方式被利用，例如在干燥操作中，热空气被循环以去除产品中的水分。在发电中，冷却系统通常使用对流热来散发机器的多余热量，从而提高效率并防止过热。总之，对流热是一种重要的热传递机制，影响着我们生活的许多方面，从烹饪和气候到工程和工业。通过理解对流热的工作原理，我们可以更好地欣赏周围的自然现象，并改善我们的技术应用。随着我们继续面临与能源效率和气候变化相关的挑战，利用对流热的原理对于开发可持续的未来解决方案至关重要。