working fluid

简明释义

工作流体

英英释义

例句

1.The working fluid in a hydraulic system transmits power to operate machinery.

液压系统中的工质传递动力以驱动机械。

2.Engineers must consider the thermal properties of the working fluid when designing a cooling system.

工程师在设计冷却系统时必须考虑工质的热特性。

3.The efficiency of a heat engine depends significantly on the properties of the working fluid.

热机的效率在很大程度上取决于工质的特性。

4.Water is commonly used as a working fluid in steam turbines.

水通常作为蒸汽涡轮的工质。

5.In refrigeration systems, the choice of working fluid can affect the overall performance.

在制冷系统中，工质的选择会影响整体性能。

作文

The concept of working fluid is fundamental in various engineering applications, particularly in thermal and mechanical systems. A working fluid is a substance that undergoes a thermodynamic cycle, absorbing heat from one source and releasing it to another, thus enabling the conversion of energy from one form to another. For instance, in a steam engine, water serves as the working fluid, transforming from liquid to vapor and back again as it moves through the system. This phase change is crucial because it allows the engine to perform work by expanding the steam in a cylinder and pushing a piston. In modern applications, the choice of working fluid can significantly affect the efficiency and performance of thermal systems. Engineers must consider factors such as the boiling point, heat capacity, and environmental impact when selecting a working fluid. For example, refrigerants used in air conditioning systems are specially designed to have low boiling points, allowing them to evaporate and absorb heat at low temperatures. This process is essential for cooling spaces effectively.Moreover, the use of alternative working fluids has gained attention in recent years due to increasing environmental concerns. Traditional refrigerants, such as chlorofluorocarbons (CFCs), have been phased out due to their harmful effects on the ozone layer. Consequently, researchers are exploring natural refrigerants like ammonia and carbon dioxide as viable working fluids that are less harmful to the environment while still providing efficient cooling.In addition to refrigeration, working fluids play a critical role in power generation. In geothermal power plants, water is used as a working fluid to transfer heat from the Earth’s core to turbines, generating electricity. The efficiency of this process relies heavily on the properties of the working fluid used, which must be able to withstand high temperatures and pressures without degrading.Furthermore, advancements in technology have led to innovative uses of working fluids in renewable energy systems. For instance, concentrated solar power plants utilize oils or molten salts as working fluids to capture and store solar energy. These working fluids can retain heat for extended periods, allowing for energy production even when sunlight is not available.In conclusion, understanding the role of working fluid in various systems is essential for engineers and scientists alike. The selection of an appropriate working fluid can drastically influence the efficiency, safety, and environmental impact of thermal and mechanical processes. As technology continues to evolve, so too will the development of new working fluids that meet the demands of modern society while addressing environmental challenges. Therefore, ongoing research and innovation in this field are vital for sustainable development and energy efficiency in the future.

“工作流体”的概念在各种工程应用中至关重要，尤其是在热能和机械系统中。“工作流体”是一种物质，它经历热力学循环，从一个源吸收热量并将其释放到另一个源，从而使能量从一种形式转变为另一种形式。例如，在蒸汽机中，水作为“工作流体”，在系统中从液态变为气态，再变回液态。这种相变至关重要，因为它允许发动机通过在气缸中膨胀蒸汽并推动活塞来执行工作。在现代应用中，选择“工作流体”可以显著影响热能系统的效率和性能。工程师在选择“工作流体”时必须考虑沸点、热容量和环境影响等因素。例如，空调系统中使用的制冷剂专门设计为具有低沸点，使其能够在低温下蒸发和吸收热量。这一过程对于有效降温至关重要。此外，由于日益增加的环境关注，替代“工作流体”的使用在近年来引起了关注。传统制冷剂，如氯氟烃（CFC），因其对臭氧层的危害而被逐步淘汰。因此，研究人员正在探索天然制冷剂如氨和二氧化碳作为可行的“工作流体”，这些“工作流体”对环境的危害较小，同时仍能提供高效的冷却。除了制冷，“工作流体”在发电中也发挥着关键作用。在地热发电厂中，水被用作“工作流体”，将来自地球核心的热量传递给涡轮机，发电。这个过程的效率在很大程度上依赖于所使用的“工作流体”的特性，后者必须能够承受高温和高压而不降解。此外，技术的进步导致了“工作流体”在可再生能源系统中的创新应用。例如，集中式太阳能发电厂利用油或熔融盐作为“工作流体”来捕获和储存太阳能。这些“工作流体”可以长时间保持热量，即使在没有阳光的时候也能进行能源生产。总之，理解“工作流体”在各种系统中的作用对工程师和科学家来说至关重要。选择合适的“工作流体”可以极大影响热能和机械过程的效率、安全性和环境影响。随着技术的不断发展，新的“工作流体”的开发也将不断进步，以满足现代社会的需求，同时解决环境挑战。因此，该领域的持续研究和创新对未来的可持续发展和能源效率至关重要。