heat rejection

简明释义

热量放出

英英释义

例句

1.The efficiency of the air conditioning system depends heavily on effective heat rejection 散热 mechanisms.

空调系统的效率在很大程度上依赖于有效的散热机制。

2.The design of the radiator is critical for effective heat rejection 散热 in vehicles.

散热器的设计对于车辆的有效散热至关重要。

3.Engine performance can degrade if heat rejection 散热 is not managed properly.

如果不正确管理散热，发动机性能可能会下降。

4.New materials are being developed to improve heat rejection 散热 in electronic devices.

正在开发新材料以改善电子设备中的散热。

5.In power plants, heat rejection 散热 is crucial to maintain optimal operating temperatures.

在电厂中，散热对维持最佳操作温度至关重要。

作文

In the realm of thermodynamics and engineering, the concept of heat rejection plays a crucial role in the efficiency and functionality of various systems. Heat rejection refers to the process by which excess heat is removed from a system, ensuring that it operates within optimal temperature ranges. This phenomenon is particularly significant in mechanical and electrical systems, where overheating can lead to failures or reduced performance. For instance, in internal combustion engines, heat rejection is essential for maintaining engine efficiency and longevity. Without effective heat rejection, the engine components could overheat, resulting in catastrophic failures or decreased power output.The methods of heat rejection can vary widely depending on the application and the specific requirements of the system involved. Common techniques include the use of radiators, cooling towers, and heat exchangers. Each of these methods serves to transfer heat away from the critical parts of a system, thereby promoting better performance and reliability. In industrial processes, heat rejection is often managed through sophisticated cooling systems that utilize water, air, or other fluids to absorb and dissipate heat efficiently.Moreover, heat rejection is not just limited to mechanical systems; it also plays a vital role in environmental engineering. For example, power plants must manage heat rejection effectively to minimize their thermal pollution in nearby water bodies. By implementing cooling systems that reduce the temperature of discharge water, these facilities can mitigate their impact on local ecosystems. This consideration has become increasingly important as regulatory standards tighten and public awareness of environmental issues grows.In the context of HVAC (heating, ventilation, and air conditioning) systems, heat rejection is a key factor in maintaining indoor comfort. Air conditioning units work by removing heat from indoor air and rejecting it outside. The efficiency of this process directly affects energy consumption and operational costs. As technology advances, new methods of heat rejection are being developed, such as evaporative cooling and geothermal systems, which promise to enhance efficiency while reducing environmental impacts.Understanding heat rejection is also vital in the field of renewable energy. Solar thermal plants, for example, rely on effective heat rejection to maintain the efficiency of their systems. If the heat generated by solar collectors is not adequately managed, it can lead to inefficiencies and reduce the overall output of electricity. Thus, engineers must design these systems with robust heat rejection strategies in mind to optimize performance and sustainability.In conclusion, heat rejection is an essential concept across various fields of engineering and environmental science. Its significance cannot be overstated, as it influences the efficiency, reliability, and environmental impact of numerous systems. As we continue to innovate and develop new technologies, the methods and importance of heat rejection will undoubtedly evolve, highlighting the need for ongoing research and understanding in this critical area.

在热力学和工程学领域，热量排放的概念在各种系统的效率和功能中扮演着至关重要的角色。热量排放是指将多余的热量从系统中移除的过程，以确保其在最佳温度范围内运行。这种现象在机械和电气系统中尤为重要，因为过热可能导致故障或性能下降。例如，在内燃机中，热量排放对于维持发动机的效率和寿命至关重要。如果没有有效的热量排放，发动机部件可能会过热，从而导致灾难性的故障或功率输出降低。热量排放的方法因应用和系统的具体要求而异。常见的技术包括使用散热器、冷却塔和热交换器。每种方法都旨在将热量从系统的关键部位转移出去，从而促进更好的性能和可靠性。在工业过程中，热量排放通常通过复杂的冷却系统进行管理，这些系统利用水、空气或其他流体高效地吸收和散发热量。此外，热量排放不仅限于机械系统，它在环境工程中也发挥着重要作用。例如，发电厂必须有效管理热量排放以最小化对附近水体的热污染。通过实施降低排放水温度的冷却系统，这些设施可以减轻对当地生态系统的影响。随着监管标准的收紧和公众对环境问题的关注增加，这一考虑变得越来越重要。在HVAC（暖通空调）系统的背景下，热量排放是维持室内舒适度的关键因素。空调设备通过从室内空气中去除热量并将其排放到外部来工作。这个过程的效率直接影响能源消耗和运营成本。随着技术的进步，新的热量排放方法正在被开发，如蒸发冷却和地热系统，这些方法承诺在减少环境影响的同时提高效率。理解热量排放在可再生能源领域也至关重要。例如，太阳能热电站依赖有效的热量排放来维持其系统的效率。如果太阳能收集器产生的热量没有得到妥善管理，可能会导致效率降低，减少电力的整体输出。因此，工程师必须在设计这些系统时考虑强大的热量排放策略，以优化性能和可持续性。总之，热量排放是各个工程和环境科学领域的重要概念。它的重要性不容小觑，因为它影响着众多系统的效率、可靠性和环境影响。随着我们继续创新和开发新技术，热量排放的方法和重要性无疑会不断演变，突显出在这一关键领域持续研究和理解的必要性。