working substance

简明释义

工质

英英释义

例句

1.Different working substances 工作物质 can lead to different performance characteristics in thermal cycles.

不同的工作物质 工作物质可以导致热循环中不同的性能特征。

2.The efficiency of a heat pump depends on the properties of the working substance 工作物质 used in the cycle.

热泵的效率取决于循环中使用的工作物质 工作物质的性质。

3.The working substance 工作物质 in a gas turbine is air, which is compressed and heated to generate power.

燃气轮机中的工作物质 工作物质是空气，它被压缩和加热以产生动力。

4.In refrigeration systems, the working substance 工作物质 is typically a refrigerant that absorbs and releases heat.

在制冷系统中，工作物质 工作物质通常是吸收和释放热量的制冷剂。

5.In a steam engine, the working substance 工作物质 is water, which transforms into steam to produce mechanical work.

在蒸汽机中，工作物质 工作物质是水，它转化为蒸汽以产生机械功。

作文

In the field of thermodynamics, the concept of working substance plays a crucial role in understanding how heat engines operate. The working substance refers to the material or fluid that undergoes thermodynamic processes within an engine cycle. It is the medium through which energy is transferred and converted from one form to another. For instance, in a steam engine, water serves as the working substance; it absorbs heat, transforms into steam, and expands to do work by moving a piston. This transformation is essential for the engine's operation, as it allows the conversion of thermal energy into mechanical energy.The efficiency of an engine largely depends on the properties of the working substance. Different substances can have varying capacities to absorb and release heat, which directly affects the performance of the engine. For example, gases like air or refrigerants are often used in modern engines and refrigeration systems due to their favorable thermodynamic properties. These substances can easily change states, allowing for efficient heat transfer and work production.Moreover, the choice of working substance also influences the design and functionality of thermal systems. Engineers must consider factors such as boiling points, specific heats, and thermal conductivity when selecting a working substance for a particular application. For example, in a car engine, the working substance is typically a mixture of air and fuel that combusts to produce high-temperature gases, which then expand to drive the pistons.Understanding the role of the working substance is not only important for traditional engines but also for renewable energy systems. In solar thermal power plants, for instance, oil or water can act as the working substance, absorbing solar energy and converting it into steam to drive turbines. The efficiency of these systems also hinges on the properties of the chosen working substance, highlighting the importance of material selection in energy conversion technologies.In conclusion, the working substance is a fundamental element in the study of thermodynamics and energy systems. Its characteristics dictate the efficiency and effectiveness of various engines and thermal processes. As technology advances, the search for optimal working substances continues, driving innovation in energy conversion and storage solutions. By understanding the significance of the working substance, we can better appreciate the intricate workings of the machines that power our world and contribute to the development of more sustainable energy solutions.

在热力学领域，工作物质的概念在理解热机如何运作方面起着至关重要的作用。工作物质指的是在引擎循环中经历热力学过程的材料或流体。它是能量通过其转移和从一种形式转换为另一种形式的媒介。例如，在蒸汽机中，水作为工作物质；它吸收热量，转化为蒸汽，并膨胀以通过移动活塞来做功。这种转变对于发动机的运作至关重要，因为它允许将热能转换为机械能。发动机的效率在很大程度上取决于工作物质的特性。不同的物质具有不同的吸热和放热能力，这直接影响着发动机的性能。例如，现代发动机和制冷系统通常使用空气或制冷剂等气体，因为它们具有良好的热力学特性。这些物质可以轻易地改变状态，从而实现高效的热传递和功的产生。此外，工作物质的选择也影响着热系统的设计和功能。工程师在为特定应用选择工作物质时，必须考虑沸点、比热和导热性等因素。例如，在汽车发动机中，工作物质通常是空气和燃料的混合物，燃烧后产生高温气体，随后膨胀以驱动活塞。理解工作物质的作用不仅对传统发动机重要，而且对可再生能源系统同样重要。例如，在太阳能热电厂中，油或水可以作为工作物质，吸收太阳能并将其转化为蒸汽以驱动涡轮。这些系统的效率也依赖于所选工作物质的特性，突显了材料选择在能量转换技术中的重要性。总之，工作物质是热力学和能量系统研究中的基本元素。它的特性决定了各种发动机和热过程的效率和有效性。随着技术的进步，寻找最佳工作物质的探索仍在继续，推动着能量转换和储存解决方案的创新。通过理解工作物质的重要性，我们可以更好地欣赏驱动我们世界的机器的复杂工作原理，并为开发更可持续的能源解决方案做出贡献。