heat dissipation

简明释义

热消散

英英释义

例句

1.The engineers implemented a new cooling system to improve heat dissipation 散热 in the server room.

工程师们实施了一种新的冷却系统，以改善服务器机房的散热 heat dissipation。

2.The design of the computer case focuses on heat dissipation 散热 to ensure optimal performance.

计算机机箱的设计专注于散热 heat dissipation以确保最佳性能。

3.In high-performance computing, heat dissipation 散热 management is essential for maintaining system stability.

在高性能计算中，散热 heat dissipation管理对于维持系统稳定性至关重要。

4.The heat dissipation 散热 of LED lights is much lower than that of traditional bulbs.

LED灯的散热 heat dissipation远低于传统灯泡。

5.Effective heat dissipation 散热 is crucial in preventing electronic components from overheating.

有效的散热 heat dissipation对于防止电子元件过热至关重要。

作文

Heat is an inevitable byproduct of many processes in both nature and technology. In various applications, especially in electronics, managing this heat is crucial for optimal performance and longevity of devices. This is where the concept of heat dissipation (热量散失) comes into play. Heat dissipation refers to the process by which thermal energy is transferred away from a system, preventing overheating and ensuring efficient operation. In modern electronic devices, such as computers and smartphones, components like processors generate significant amounts of heat during operation. If this heat is not effectively managed, it can lead to reduced performance, system instability, or even permanent damage. Therefore, engineers employ various methods to enhance heat dissipation (热量散失), ensuring that devices remain cool under heavy workloads.One common method of improving heat dissipation (热量散失) is through the use of heat sinks. A heat sink is a passive component that absorbs and disperses heat away from critical parts of an electronic device. Made from materials with high thermal conductivity, such as aluminum or copper, heat sinks increase the surface area available for heat transfer. By conducting heat away from the processor and into the surrounding air, they help maintain safe operating temperatures.Another technique employed in heat dissipation (热量散失) is the use of fans or other active cooling systems. These devices enhance airflow around components, facilitating greater heat exchange with the environment. For instance, in gaming laptops, multiple fans are used to create a constant flow of air, which significantly improves heat dissipation (热量散失) compared to passive cooling solutions alone.Moreover, thermal interface materials (TIMs) play a vital role in enhancing heat dissipation (热量散失). These materials are placed between heat-generating components and heat sinks to improve thermal contact. TIMs fill microscopic gaps and irregularities, allowing for more efficient heat transfer. Without these materials, the effectiveness of heat sinks and other cooling methods would be severely compromised.In addition to electronics, heat dissipation (热量散失) is also important in various industrial processes. For example, in chemical manufacturing, exothermic reactions can produce substantial heat. If not properly managed, this heat can affect reaction rates and product quality. Industries often implement cooling towers or heat exchangers to manage heat dissipation (热量散失) in these scenarios, ensuring that processes run smoothly and safely.Furthermore, understanding heat dissipation (热量散失) is essential in environmental science. For instance, urban areas often experience the 'urban heat island' effect, where built-up areas retain more heat than their rural counterparts. This phenomenon can lead to increased energy consumption for cooling and exacerbate heat-related health issues. Urban planners and environmentalists study heat dissipation (热量散失) patterns to create strategies for mitigating heat retention, such as increasing green spaces and using reflective building materials.In conclusion, heat dissipation (热量散失) is a critical concept in both technology and environmental science. Its effective management is essential for the performance and longevity of electronic devices, the safety of industrial processes, and the sustainability of urban environments. As technology continues to evolve, the importance of understanding and improving heat dissipation (热量散失) will only grow, highlighting the need for innovative solutions in thermal management.

热量是自然和技术中许多过程不可避免的副产品。在各种应用中，尤其是在电子设备中，管理这些热量对于设备的最佳性能和使用寿命至关重要。这就是热量散失（heat dissipation）这一概念发挥作用的地方。热量散失指的是将热能从系统中转移出去的过程，以防止过热并确保高效运行。在现代电子设备中，例如计算机和智能手机，处理器等组件在操作过程中会产生大量热量。如果不能有效管理这些热量，可能会导致性能下降、系统不稳定甚至永久性损坏。因此，工程师采用各种方法来增强热量散失，确保设备在高负载下保持冷却。改善热量散失的一种常见方法是使用散热器。散热器是一种被动组件，可以吸收并分散来自电子设备关键部件的热量。散热器通常由铝或铜等导热性高的材料制成，增加了可用于热传递的表面积。通过将热量从处理器传导到周围空气中，它们帮助保持安全的工作温度。另一种在热量散失中使用的技术是使用风扇或其他主动冷却系统。这些设备增强了组件周围的气流，从而促进与环境的更大热交换。例如，在游戏笔记本电脑中，使用多个风扇来创造持续的空气流动，这显著改善了与仅依赖被动冷却解决方案相比的热量散失。此外，热界面材料（TIMs）在增强热量散失中也发挥着重要作用。这些材料放置在发热组件和散热器之间，以改善热接触。TIMs填充微小的间隙和不规则性，从而允许更有效的热传递。如果没有这些材料，散热器和其他冷却方法的有效性将受到严重影响。除了电子设备，热量散失在各种工业过程中也很重要。例如，在化学制造中，放热反应可能会产生大量热量。如果不加以管理，这些热量会影响反应速率和产品质量。工业通常实施冷却塔或热交换器来管理这些场景中的热量散失，确保过程顺利、安全地进行。此外，理解热量散失在环境科学中也至关重要。例如，城市地区经常经历“城市热岛”效应，即建筑密集的地区比农村地区保留更多热量。这一现象可能导致冷却的能耗增加，并加剧与热相关的健康问题。城市规划者和环境学家研究热量散失模式，以制定减轻热保留的策略，例如增加绿地和使用反射建筑材料。总之，热量散失是技术和环境科学中的一个关键概念。其有效管理对电子设备的性能和使用寿命、工业过程的安全性以及城市环境的可持续性至关重要。随着技术的不断发展，理解和改善热量散失的重要性只会增加，这突显了在热管理方面需要创新解决方案。