working fluid

简明释义

工族

英英释义

例句

1.In a heat pump, the working fluid 工质 absorbs heat from the environment and transfers it indoors.

在热泵中，工质 working fluid 从环境中吸收热量并将其转移到室内。

2.In refrigeration systems, the working fluid 工质 circulates through the evaporator and condenser.

在制冷系统中，工质 working fluid 在蒸发器和冷凝器之间循环。

3.Hydraulic systems use oil as the working fluid 工质 to transfer power.

液压系统使用油作为工质 working fluid 来传递动力。

4.The choice of working fluid 工质 can affect the thermal efficiency of a power cycle.

选择工质 working fluid 会影响电力循环的热效率。

5.The efficiency of a steam engine largely depends on the properties of the working fluid 工质 used.

蒸汽机的效率在很大程度上取决于所使用的工质 working fluid 的性质。

作文

In the realm of thermodynamics and engineering, the term working fluid refers to a substance that absorbs and transfers energy within a system. This concept is pivotal in various applications, including heat engines, refrigerators, and air conditioning systems. The working fluid plays a crucial role in converting thermal energy into mechanical work or vice versa, depending on the system's design and purpose. One common example of a working fluid is water, which is used in steam engines. In this case, water is heated to produce steam, which then expands and drives a piston or turbine, thereby generating mechanical energy. As the steam cools down, it condenses back into water, ready to be heated again. This cycle demonstrates the efficiency and importance of the working fluid in energy conversion processes.Another example can be found in refrigeration systems, where refrigerants serve as the working fluid. These substances undergo phase changes from liquid to gas and back again, allowing them to absorb heat from the environment and release it elsewhere. The choice of working fluid in these systems is critical, as it affects the overall efficiency, environmental impact, and operational safety of the equipment.The selection of an appropriate working fluid depends on several factors, including the temperature range, pressure conditions, and specific application requirements. Engineers must consider the thermodynamic properties of potential fluids, such as their boiling and freezing points, specific heat capacity, and vapor pressure. For instance, in high-temperature applications, fluids like supercritical carbon dioxide or specialized synthetic oils might be preferred due to their ability to remain stable under extreme conditions.Moreover, the environmental implications of the chosen working fluid cannot be overlooked. Many traditional refrigerants have been phased out due to their harmful effects on the ozone layer and their contribution to global warming. Consequently, there has been a significant shift towards more environmentally friendly alternatives, such as hydrofluoroolefins (HFOs) and natural refrigerants like ammonia and CO2. This shift not only highlights the importance of the working fluid in terms of efficiency but also emphasizes the need for sustainable practices in engineering and technology.In conclusion, the concept of working fluid is integral to the functioning of various thermal systems. Whether it is in engines, refrigeration, or other applications, the choice of working fluid significantly impacts performance, efficiency, and environmental sustainability. Understanding the properties and behaviors of different fluids can lead to better designs and innovations in energy systems, ultimately contributing to a more sustainable future. As engineers continue to explore new materials and technologies, the role of the working fluid will remain a vital area of research and development in the field of thermodynamics.

在热力学和工程学领域，术语工作流体指的是在系统中吸收和转移能量的物质。这个概念在热机、冰箱和空调系统等各种应用中至关重要。工作流体在将热能转换为机械功或反之的过程中发挥着关键作用，这取决于系统的设计和目的。一个常见的工作流体例子是水，它被用于蒸汽机。在这种情况下，水被加热以产生蒸汽，然后蒸汽膨胀并驱动活塞或涡轮，从而产生机械能。当蒸汽冷却时，它会凝结回水，准备再次加热。这个循环展示了工作流体在能量转换过程中的效率和重要性。另一个例子可以在制冷系统中找到，其中制冷剂作为工作流体。这些物质经历从液体到气体再到液体的相变，使其能够吸收环境中的热量并在其他地方释放热量。在这些系统中选择合适的工作流体至关重要，因为它会影响设备的整体效率、环境影响和操作安全性。选择合适的工作流体取决于多个因素，包括温度范围、压力条件和具体应用要求。工程师必须考虑潜在流体的热力学特性，例如它们的沸点和冰点、比热容和蒸气压。例如，在高温应用中，像超临界二氧化碳或专用合成油这样的流体可能更受欢迎，因为它们能够在极端条件下保持稳定。此外，所选择的工作流体的环境影响也不可忽视。许多传统制冷剂因其对臭氧层的有害影响和对全球变暖的贡献而被淘汰。因此，已经出现了向更环保替代品（如氟烯烃（HFOs）和天然制冷剂如氨和二氧化碳）的显著转变。这种转变不仅突显了工作流体在效率方面的重要性，还强调了工程和技术中可持续实践的必要性。总之，工作流体的概念是各种热系统功能的核心。无论是在发动机、制冷还是其他应用中，工作流体的选择显著影响性能、效率和环境可持续性。理解不同流体的性质和行为可以导致更好的设计和能源系统的创新，最终为更可持续的未来做出贡献。随着工程师继续探索新材料和技术，工作流体的角色将始终是热力学领域研究和发展的重要领域。