heat input

简明释义

热收入

英英释义

例句

1.In a power plant, the heat input 热输入 from the combustion of fuel is converted into electricity.

在发电厂中，燃料燃烧产生的热输入 heat input被转换为电能。

2.The efficiency of the furnace is determined by the amount of heat input 热输入 it receives.

炉子的效率由它接收到的热输入 heat input的量决定。

3.Engine performance can be improved by adjusting the heat input 热输入 from the fuel.

通过调整燃料的热输入 heat input可以提高发动机性能。

4.To optimize production, we need to monitor the heat input 热输入 during the melting process.

为了优化生产，我们需要监控熔化过程中热输入 heat input的情况。

5.The heat input 热输入 must be carefully controlled to prevent overheating in the reactor.

必须仔细控制热输入 heat input以防止反应堆过热。

作文

In the realm of thermodynamics and energy systems, the term heat input refers to the amount of thermal energy that is added to a system. This concept is crucial in understanding how different systems operate, especially in engines, power plants, and various industrial processes. The heat input is typically measured in joules or calories, depending on the context. It plays a significant role in determining the efficiency of a system, as it directly affects the output energy that can be harnessed from the process.To illustrate the importance of heat input, let us consider a simple example of a steam engine. In this case, water is heated to create steam, which then expands and drives a piston to do mechanical work. The amount of thermal energy supplied to the water, which we refer to as heat input, is critical in determining how much steam is produced and, consequently, how much work can be done by the engine. If the heat input is too low, the engine will not generate enough steam to operate efficiently, leading to reduced performance and increased fuel consumption.Moreover, understanding heat input is essential for optimizing energy systems. Engineers often seek to maximize the useful work output while minimizing the heat input. This is achieved through various methods, such as improving insulation, enhancing combustion efficiency, and recovering waste heat. For instance, in modern power plants, combined cycle systems are employed where the waste heat from gas turbines is used to produce steam for additional electricity generation. This process effectively reduces the overall heat input required for the same amount of electrical output, showcasing how efficient energy management can lead to significant cost savings and environmental benefits.In addition to its applications in engineering, the concept of heat input also has implications in environmental science. As we strive to reduce greenhouse gas emissions and combat climate change, understanding how much heat input is necessary for different processes can help in designing more sustainable systems. By reducing unnecessary heat input, industries can lower their carbon footprint, contributing to global efforts aimed at sustainability.Furthermore, the relationship between heat input and energy conversion efficiency is vital in the development of renewable energy technologies. For example, solar thermal power plants rely on heat input from the sun to generate electricity. The effectiveness of these systems hinges on how well they can capture and convert this heat input into usable energy. Research and advancements in materials and technology continue to enhance the efficiency of these systems, making them more viable alternatives to fossil fuels.In conclusion, the concept of heat input is fundamental in various fields, including engineering, environmental science, and energy production. By comprehensively understanding heat input, we can improve the efficiency of systems, reduce environmental impacts, and contribute to a more sustainable future. As we move forward, the focus on optimizing heat input will remain a critical aspect of innovation and development in energy technologies, ensuring that we meet the growing demands for energy while protecting our planet.

在热力学和能源系统的领域中，术语热输入指的是添加到系统中的热能量的数量。这个概念在理解不同系统的运行方式时至关重要，特别是在发动机、发电厂和各种工业过程中。热输入通常以焦耳或卡路里为单位进行测量，这取决于上下文。它在确定系统的效率方面起着重要作用，因为它直接影响可以从过程中获取的输出能量。为了说明热输入的重要性，让我们考虑一个简单的蒸汽机例子。在这种情况下，水被加热以产生蒸汽，蒸汽膨胀并驱动活塞做机械功。供应给水的热能量，即我们所称的热输入，对于确定产生多少蒸汽以及因此发动机能够做多少工作至关重要。如果热输入过低，发动机将无法产生足够的蒸汽以高效运行，从而导致性能下降和燃料消耗增加。此外，理解热输入对于优化能源系统至关重要。工程师们常常寻求最大化有用的工作输出，同时最小化热输入。这可以通过多种方法实现，例如改善绝缘、提高燃烧效率和回收废热。例如，在现代发电厂中，采用联合循环系统，其中燃气轮机的废热被用于产生蒸汽以进行额外的电力生成。这个过程有效地减少了所需的总体热输入，以获得相同数量的电输出，展示了如何通过高效的能源管理实现显著的成本节约和环境效益。除了在工程中的应用之外，热输入的概念在环境科学中也有影响。随着我们努力减少温室气体排放并应对气候变化，理解不同过程所需的热输入量可以帮助设计更可持续的系统。通过减少不必要的热输入，工业可以降低其碳足迹，为全球可持续发展努力作出贡献。此外，热输入与能量转化效率之间的关系在可再生能源技术的发展中至关重要。例如，太阳能热电站依赖于来自太阳的热输入来发电。这些系统的有效性取决于它们捕获和转换这一热输入为可用能量的能力。材料和技术的研究与进步不断提高这些系统的效率，使其成为化石燃料更可行的替代品。总之，热输入的概念在工程、环境科学和能源生产等多个领域都是基础性的。通过全面理解热输入，我们可以提高系统的效率，减少环境影响，并为更可持续的未来做出贡献。在未来的发展中，优化热输入将继续成为能源技术创新与发展的关键方面，确保我们在满足日益增长的能源需求的同时保护我们的星球。