non condensable

简明释义

不凝结的

英英释义

例句

1.The technician checked for non condensable 不可冷凝气体 in the system to ensure optimal performance.

技术员检查系统中是否有非冷凝 不可冷凝气体以确保最佳性能。

2.During the vacuum process, any non condensable 不可冷凝气体 must be removed to achieve the desired pressure.

在真空过程中，必须去除任何非冷凝 不可冷凝气体以达到所需的压力。

3.The presence of non condensable 不可冷凝气体 can lead to pressure build-up in the system.

存在非冷凝 不可冷凝气体可能导致系统内压力升高。

4.To maintain efficiency, it is crucial to monitor non condensable 不可冷凝气体 levels in the heat exchanger.

为了维持效率，监测热交换器中的非冷凝 不可冷凝气体水平至关重要。

5.In a refrigeration cycle, the presence of non condensable 不可冷凝气体 can reduce efficiency.

在制冷循环中，存在非冷凝 不可冷凝气体可能会降低效率。

作文

In the field of thermodynamics and fluid mechanics, the term non condensable refers to gases that do not change into a liquid state under certain conditions of temperature and pressure. Understanding non condensable gases is crucial for various engineering applications, especially in systems involving heat exchangers and refrigeration. These gases can significantly impact the efficiency and performance of thermal systems. For instance, when designing a heat exchanger, engineers must consider the presence of non condensable gases as they can reduce the overall heat transfer efficiency. One common example of a non condensable gas is air. When air is mixed with steam in a heat exchanger, it does not condense like steam does. Instead, it remains in a gaseous state, which can create a barrier that hinders the transfer of heat from the steam to the medium being heated. This phenomenon is often referred to as 'air binding' and can lead to a significant drop in system performance. Therefore, it is essential for engineers to design systems that minimize the accumulation of non condensable gases.Another important aspect of non condensable gases is their role in vacuum systems. In vacuum applications, the presence of non condensable gases can disrupt the desired low-pressure environment. For instance, in a vacuum distillation process, any non condensable gases can affect the boiling point of the liquids involved, leading to inefficiencies in separation processes. To address this issue, vacuum pumps are often employed to remove non condensable gases from the system, ensuring optimal operating conditions.The understanding of non condensable gases extends beyond just engineering. It also has implications in environmental science and meteorology. For example, certain greenhouse gases, which are considered non condensable, play a significant role in climate change. These gases, such as carbon dioxide and methane, do not easily condense into liquid form, leading to their accumulation in the atmosphere. This accumulation contributes to the greenhouse effect, trapping heat and raising global temperatures.In conclusion, the concept of non condensable gases is vital in various fields, including engineering, environmental science, and thermodynamics. Their unique properties can influence the efficiency of thermal systems, impact vacuum processes, and contribute to environmental challenges. Understanding how to manage and mitigate the effects of non condensable gases is essential for improving system performance and addressing broader environmental concerns. As technology advances, ongoing research into the behavior of non condensable gases will continue to be important for developing more efficient and sustainable systems.

在热力学和流体力学领域，术语non condensable指的是在特定的温度和压力条件下不会转变为液态的气体。理解non condensable气体对于各种工程应用至关重要，尤其是在涉及热交换器和制冷系统的系统中。这些气体可能会显著影响热系统的效率和性能。例如，在设计热交换器时，工程师必须考虑non condensable气体的存在，因为它们可能会降低整体的热传递效率。一个常见的non condensable气体的例子是空气。当空气与蒸汽混合在热交换器中时，它不会像蒸汽那样凝结。相反，它保持在气态，这可能会形成一个障碍，阻碍蒸汽与被加热介质之间的热量传递。这种现象通常被称为“空气阻塞”，可能导致系统性能显著下降。因此，工程师需要设计能够最小化non condensable气体积聚的系统。non condensable气体的另一个重要方面是它们在真空系统中的作用。在真空应用中，non condensable气体的存在可能会干扰所需的低压环境。例如，在真空蒸馏过程中，任何non condensable气体都可能影响所涉及液体的沸点，从而导致分离过程中的低效。为了解决这个问题，真空泵通常用于从系统中去除non condensable气体，以确保最佳的操作条件。对non condensable气体的理解不仅限于工程领域。它在环境科学和气象学中也有影响。例如，某些温室气体被认为是non condensable，在气候变化中发挥着重要作用。这些气体，如二氧化碳和甲烷，不容易凝结成液体，导致它们在大气中的积聚。这种积聚促进了温室效应，捕获热量并提高全球温度。总之，non condensable气体的概念在多个领域中都是至关重要的，包括工程、环境科学和热力学。它们独特的性质可以影响热系统的效率，影响真空过程，并对环境挑战产生影响。理解如何管理和减轻non condensable气体的影响对于提高系统性能和解决更广泛的环境问题至关重要。随着技术的进步，对non condensable气体行为的持续研究将继续对开发更高效和可持续的系统至关重要。