heat transmission by convection

简明释义

对莲热

英英释义

例句

1.The design of HVAC systems relies heavily on heat transmission by convection 通过对流的热传递 to maintain comfortable indoor temperatures.

HVAC系统的设计在很大程度上依赖于通过对流的热传递 来维持舒适的室内温度。

2.When cooking on a stove, heat transmission by convection 通过对流的热传递 helps evenly distribute heat across the food.

在炉子上烹饪时，通过对流的热传递 有助于均匀分配食物的热量。

3.In weather systems, heat transmission by convection 通过对流的热传递 plays a critical role in cloud formation and precipitation.

在天气系统中，通过对流的热传递 在云的形成和降水中起着关键作用。

4.The efficiency of a radiator is largely due to heat transmission by convection 通过对流的热传递, which circulates warm air throughout the room.

散热器的效率在很大程度上得益于通过对流的热传递 ，它在整个房间中循环温暖的空气。

5.In a pot of boiling water, heat transmission by convection 通过对流的热传递 ensures that the water at the bottom rises while cooler water descends.

在一锅沸水中，通过对流的热传递 确保锅底的水上升，而较冷的水下降。

作文

Heat is a form of energy that is transferred from one body to another due to a temperature difference. One of the primary methods of heat transfer in fluids is through heat transmission by convection. This process involves the movement of warmer areas of fluid to cooler areas, creating a circulation pattern that effectively transfers thermal energy. Understanding heat transmission by convection is essential for various applications, including heating systems, refrigeration, and even meteorology.In the context of heating systems, heat transmission by convection plays a significant role. For instance, when a radiator heats up, the air around it warms and becomes less dense. As a result, this warm air rises, and cooler air moves in to take its place, creating a continuous cycle. This convection process effectively distributes heat throughout the room, ensuring a comfortable environment. Without heat transmission by convection, rooms would remain unevenly heated, leading to cold spots and discomfort.Refrigeration also relies on heat transmission by convection. In refrigerators, the coolant absorbs heat from the interior and releases it outside. The movement of air within the refrigerator helps maintain an even temperature, preventing food from spoiling. This is achieved through the convection currents created as the cooler air sinks and warmer air rises, ensuring that all areas of the fridge are adequately cooled.Meteorology is another field where understanding heat transmission by convection is crucial. Weather patterns are heavily influenced by convection currents in the atmosphere. For example, warm air rising over the land can lead to the formation of clouds and precipitation. Similarly, the unequal heating of the Earth's surface creates convection cells that drive wind patterns. By studying these convection processes, meteorologists can better predict weather changes and understand climate dynamics.In summary, heat transmission by convection is a fundamental concept that impacts various aspects of our daily lives. From the comfort of our homes to the functioning of our appliances and the weather we experience, convection plays a vital role in heat transfer. By grasping the principles of heat transmission by convection, we can not only improve our understanding of physical phenomena but also enhance our ability to design efficient systems for heating, cooling, and even predicting weather patterns. Overall, the study of convection is essential for both scientific inquiry and practical applications in engineering and environmental science.

热是一种由于温度差异而从一个物体传递到另一个物体的能量形式。流体中的主要热传递方法之一是通过对流传热。这个过程涉及温暖流体区域向较冷区域的移动，创造出有效传递热能的循环模式。理解对流传热对于各种应用至关重要，包括供暖系统、制冷甚至气象学。在供暖系统的背景下，对流传热发挥着重要作用。例如，当散热器加热时，周围的空气变暖并变得密度较低。因此，这股温暖的空气上升，而较冷的空气则进入其位置，形成一个持续的循环。这个对流过程有效地将热量分布到整个房间，确保舒适的环境。如果没有对流传热，房间将保持不均匀加热，导致冷点和不适。制冷也依赖于对流传热。在冰箱中，冷却剂从内部吸收热量并释放到外部。冰箱内空气的运动有助于保持均匀温度，防止食物变质。这是通过冷空气下沉和热空气上升所产生的对流电流来实现的，确保冰箱的所有区域都得到充分冷却。气象学是另一个理解对流传热至关重要的领域。天气模式受到大气中对流电流的强烈影响。例如，陆地上升的暖空气可能导致云和降水的形成。同样，地球表面的不均匀加热会产生驱动风模式的对流单元。通过研究这些对流过程，气象学家可以更好地预测天气变化并理解气候动态。总之，对流传热是一个基本概念，影响着我们日常生活的各个方面。从我们家中的舒适到我们家电的功能以及我们经历的天气，对流在热传递中起着至关重要的作用。通过掌握对流传热的原理，我们不仅可以提高对物理现象的理解，还可以增强设计高效供暖、制冷系统和甚至预测天气模式的能力。总体而言，对流的研究对于科学探究和工程及环境科学中的实际应用都是至关重要的。