reheating cycle

简明释义

再热循环

英英释义

例句

1.Make sure to cover your dish during the reheating cycle 再加热周期 to keep moisture in.

确保在再加热周期中覆盖好菜肴，以保持水分。

2.The instructions recommend using the reheating cycle 再加热周期 for best results with frozen meals.

说明书建议对冷冻餐使用再加热周期以获得最佳效果。

3.I always use the reheating cycle 再加热周期 on my air fryer for leftover pizza.

我总是使用我的空气炸锅上的再加热周期来加热剩余的比萨饼。

4.During the reheating cycle 再加热周期, the oven automatically adjusts the temperature to avoid overheating.

在再加热周期中，烤箱会自动调整温度以避免过热。

5.The microwave has a specific setting for the reheating cycle 再加热周期 to ensure your food is heated evenly.

微波炉有一个特定的设置用于再加热周期，以确保您的食物均匀加热。

作文

In the world of thermodynamics and engineering, the term reheating cycle refers to a process that enhances the efficiency of power generation systems, particularly in steam turbines. This cycle is crucial for improving the overall performance of thermal power plants. The basic principle behind the reheating cycle is to increase the temperature of steam after it has expanded through a high-pressure turbine before it enters the low-pressure turbine. By doing so, the thermal efficiency of the entire system is significantly improved.The reheating cycle begins with high-pressure steam produced in a boiler. This steam is then directed into a high-pressure turbine, where it expands and does work by turning the turbine blades. After this initial expansion, the steam is partially condensed and sent to a reheater. In the reheater, the steam is heated again, typically using flue gases from the combustion process or additional heat from the boiler. This reheated steam then enters the low-pressure turbine, where it expands further and produces additional work.One of the main advantages of implementing a reheating cycle is the significant increase in efficiency it provides. In conventional Rankine cycles without reheating, the steam loses a considerable amount of energy during its expansion in the turbine. However, by reheating the steam, the temperature and pressure are elevated, allowing for more energy to be extracted from the steam as it passes through the low-pressure turbine. This results in a higher overall output of electricity from the same amount of fuel consumed.Moreover, the reheating cycle can also help in reducing the moisture content of the steam as it exits the low-pressure turbine. High moisture levels can lead to erosion and damage to the turbine blades, which can significantly reduce the lifespan of the equipment. By reheating the steam, the moisture content is minimized, thus protecting the turbine and enhancing its durability.In addition to these technical benefits, the adoption of a reheating cycle in power plants aligns with global efforts to improve energy efficiency and reduce greenhouse gas emissions. As countries strive to meet stringent environmental regulations, increasing the efficiency of fossil fuel-based power plants becomes imperative. The reheating cycle offers a viable solution to achieve these goals while maintaining reliable electricity generation.However, it is important to note that the implementation of a reheating cycle also comes with challenges. The design and construction of reheating systems require careful engineering to ensure that they operate efficiently and safely. Additionally, the cost of retrofitting existing plants with reheating capabilities can be substantial. Therefore, a thorough economic analysis is essential before deciding to implement a reheating cycle in a power generation facility.In conclusion, the reheating cycle is a vital component of modern thermal power generation. It plays a significant role in enhancing the efficiency of steam turbines, reducing moisture content, and supporting environmental sustainability efforts. As technology continues to advance, the reheating cycle will likely become even more prevalent in the quest for cleaner and more efficient energy production.

在热力学和工程学的世界中，术语再加热循环指的是一种提高发电系统效率的过程，特别是在蒸汽涡轮机中。这个循环对于改善热电厂的整体性能至关重要。再加热循环的基本原理是在蒸汽经过高压涡轮膨胀后，再次提高蒸汽的温度，然后再进入低压涡轮。通过这样做，整个系统的热效率显著提高。再加热循环始于锅炉中产生的高压蒸汽。这种蒸汽被引导到高压涡轮，在那里它膨胀并通过转动涡轮叶片来做功。在这次初步膨胀之后，蒸汽会部分冷凝并送往再加热器。在再加热器中，蒸汽再次被加热，通常使用燃烧过程中的烟气或锅炉中的额外热量。这种再加热的蒸汽随后进入低压涡轮，在那里它进一步膨胀并产生额外的功。实施再加热循环的主要优点之一是显著提高的效率。在没有再加热的传统兰金循环中，蒸汽在涡轮膨胀过程中会损失大量能量。然而，通过对蒸汽进行再加热，温度和压力得以提高，从而允许从蒸汽中提取更多能量，因为它通过低压涡轮。这导致在消耗相同数量燃料的情况下，电力的整体输出增加。此外，再加热循环还可以帮助减少蒸汽在低压涡轮出口时的湿度。高湿度水平会导致涡轮叶片的侵蚀和损坏，这可能显著缩短设备的使用寿命。通过对蒸汽进行再加热，湿度得以最小化，从而保护涡轮并增强其耐用性。除了这些技术优势外，在电厂中采用再加热循环也与全球提高能源效率和减少温室气体排放的努力相一致。随着各国努力满足严格的环境法规，提高基于化石燃料的电厂的效率变得至关重要。再加热循环提供了一种可行的解决方案，以实现这些目标，同时保持可靠的电力生产。然而，值得注意的是，实施再加热循环也面临挑战。再加热系统的设计和建设需要仔细的工程技术，以确保其高效和安全地运行。此外，给现有工厂改造再加热能力的成本可能相当可观。因此，在决定在发电设施中实施再加热循环之前，进行全面的经济分析是必不可少的。总之，再加热循环是现代热电发电的重要组成部分。它在增强蒸汽涡轮的效率、减少湿度和支持环境可持续发展方面发挥着重要作用。随着技术的不断进步，再加热循环在追求更清洁和更高效的能源生产中可能会变得更加普遍。