waste heat

简明释义

废热

英英释义

Waste heat refers to the thermal energy that is produced as a byproduct of various industrial processes, machinery, or energy conversion systems, which is not utilized for any productive purpose.

废热是指在各种工业过程、机械或能量转换系统中产生的作为副产品的热能,这部分热能未被用于任何生产性目的。

例句

1.The development of technologies to convert waste heat into electricity is gaining traction.

waste heat(废热)转换为电力的技术开发正在获得关注。

2.By utilizing waste heat from the exhaust, the power plant was able to increase its overall output.

通过利用排气中的waste heat(废热),发电厂能够提高其整体产出。

3.The new HVAC system recycles waste heat to warm the building during winter months.

新的暖通空调系统回收waste heat(废热)在冬季为建筑物供暖。

4.In industrial processes, capturing waste heat can significantly reduce operational costs.

在工业过程中,捕获waste heat(废热)可以显著降低运营成本。

5.The factory installed a system to capture waste heat from its machinery to improve energy efficiency.

工厂安装了一个系统,以捕获其机器产生的waste heat(废热),以提高能源效率。

作文

In today's world, energy efficiency has become a critical topic of discussion. One of the most significant concepts related to energy efficiency is waste heat, which refers to the thermal energy that is not utilized in a process and is released into the environment. Understanding waste heat is essential for improving energy systems and reducing environmental impact.Waste heat is generated in various industries, including power generation, manufacturing, and transportation. For instance, in power plants, a large portion of the energy produced is lost as waste heat during electricity generation. This loss can be attributed to the inefficiencies in the conversion of fuel into electrical energy. Similarly, in manufacturing processes, such as metal forging or chemical production, a significant amount of energy is wasted as heat due to friction, chemical reactions, or other operational inefficiencies.The implications of waste heat are profound. Not only does it represent a loss of valuable energy resources, but it also contributes to environmental issues such as global warming. When waste heat is released into the atmosphere, it can lead to increased temperatures and climate change. Therefore, capturing and utilizing this heat can have substantial benefits. By implementing technologies that recover waste heat, industries can improve their overall energy efficiency and reduce greenhouse gas emissions.One promising approach to harnessing waste heat is through heat recovery systems. These systems capture the excess heat generated during industrial processes and convert it into usable energy. For example, in a manufacturing plant, a heat exchanger can be installed to transfer waste heat from exhaust gases to incoming cold air or water, preheating it before it enters a boiler or heater. This process not only conserves energy but also lowers operational costs.Another innovative solution is the use of combined heat and power (CHP) systems, which generate electricity and useful thermal energy simultaneously. In these systems, waste heat produced during electricity generation is captured and used for space heating, water heating, or other thermal applications. This dual-purpose approach significantly increases the overall efficiency of energy use.Moreover, the concept of waste heat is not limited to industrial applications. It can also be applied in residential settings. For instance, heat recovery ventilation systems can capture waste heat from exhaust air in homes and use it to warm incoming fresh air, thereby reducing heating costs and improving indoor air quality.In conclusion, understanding and managing waste heat is crucial for enhancing energy efficiency and mitigating environmental impacts. As industries and individuals strive to adopt more sustainable practices, the recovery and utilization of waste heat will play a vital role in creating a more energy-efficient future. By investing in technologies that capture waste heat, we can not only save energy but also contribute positively to the environment, making our planet a better place for future generations.

在当今世界,能源效率已成为一个重要的讨论话题。与能源效率相关的一个重要概念是废热,它指的是在一个过程中未被利用并释放到环境中的热能。理解废热对于改善能源系统和减少环境影响至关重要。废热产生于各种工业,包括发电、制造和运输。例如,在电厂中,生产的能量很大一部分在发电过程中以废热的形式损失。这种损失可以归因于燃料转化为电能过程中的低效率。同样,在制造过程中,如金属锻造或化学生产,由于摩擦、化学反应或其他操作低效,产生了大量的热能作为浪费。废热的影响深远。它不仅代表着宝贵能源资源的损失,还会导致全球变暖等环境问题。当废热释放到大气中时,会导致温度升高和气候变化。因此,捕获和利用这些热量可以带来显著的好处。通过实施技术来回收废热,工业可以提高整体能源效率并减少温室气体排放。一种有前景的方法是通过热回收系统来利用废热。这些系统捕获在工业过程中产生的多余热量,并将其转化为可用能量。例如,在制造工厂中,可以安装热交换器,将废气中的废热转移到进入的冷空气或水中,在其进入锅炉或加热器之前进行预热。这个过程不仅节约了能源,还降低了运营成本。另一个创新的解决方案是使用联合热电(CHP)系统,同时生成电力和有用的热能。在这些系统中,在发电过程中产生的废热被捕获并用于空间供暖、热水加热或其他热应用。这种双重用途的方法显著提高了能源使用的整体效率。此外,废热的概念不仅限于工业应用。在住宅环境中也可以应用。例如,热回收通风系统可以捕获住宅中排气的废热,并利用它来加热进入的新鲜空气,从而降低取暖成本并改善室内空气质量。总之,理解和管理废热对于提高能源效率和减轻环境影响至关重要。随着工业和个人努力采用更可持续的实践,废热的回收和利用将在创造一个更节能的未来中发挥至关重要的作用。通过投资于捕获废热的技术,我们不仅可以节省能源,还能对环境产生积极的贡献,使我们的星球对未来几代人更加美好。

相关单词

heat

heat详解:怎么读、什么意思、用法