bubble point

简明释义

沸腾点

英英释义

例句

1.In distillation processes, knowing the bubble point is crucial for efficiency.

在蒸馏过程中，了解气泡点对效率至关重要。

2.The bubble point of the liquid was found to be higher than expected due to impurities.

由于杂质，液体的气泡点被发现高于预期。

3.The bubble point can vary significantly with changes in pressure and temperature.

随着压力和温度的变化，气泡点可能会显著变化。

4.The engineer calculated the bubble point to determine the composition of the gas mixture.

工程师计算了气泡点以确定气体混合物的成分。

5.To avoid cavitation, we must ensure that the pressure stays above the bubble point.

为了避免气蚀，我们必须确保压力保持在气泡点之上。

作文

In the study of thermodynamics and fluid mechanics, the term bubble point refers to the temperature at which a liquid begins to form bubbles of vapor. This phenomenon is crucial in understanding phase transitions in various substances. When a liquid is heated, its molecules gain energy, and eventually, they reach a point where they can escape into the vapor phase. The bubble point is significant because it indicates the conditions under which a liquid will start to boil. For instance, in the oil and gas industry, knowing the bubble point of a crude oil mixture is essential for effective extraction and processing. It helps engineers determine the optimal temperature and pressure conditions to maximize yield and efficiency.The concept of bubble point is also vital in the design of distillation columns, which are used to separate different components of a mixture based on their boiling points. In a distillation process, the mixture is heated, and as the temperature rises, the component with the lowest boiling point reaches its bubble point first. This allows it to vaporize and be collected, while the remaining components stay in the liquid phase. Understanding where the bubble point lies for each component is crucial for designing an efficient separation process.Moreover, the bubble point can vary depending on the composition of the liquid. For example, in a mixture of ethanol and water, the bubble point will be different than that of pure ethanol or pure water. This variation is due to the interactions between different molecules in the mixture, which can alter the energy required for a molecule to escape into the vapor phase. Chemists and engineers must take these factors into account when working with mixtures, especially in industries such as pharmaceuticals, where precise measurements are critical.In addition to its applications in industrial processes, the concept of bubble point also has implications in environmental science. Understanding the bubble point of various pollutants can help scientists predict how these substances will behave in different environmental conditions. For instance, if a toxic chemical has a low bubble point, it may evaporate quickly into the atmosphere, posing a risk to air quality. Conversely, a high bubble point may indicate that the substance will remain in liquid form longer, potentially contaminating soil and water sources.In conclusion, the bubble point is a fundamental concept in various scientific fields, including thermodynamics, chemical engineering, and environmental science. It plays a critical role in understanding phase transitions, designing separation processes, and predicting the behavior of substances in different environments. By mastering the implications of the bubble point, professionals in these fields can make informed decisions that enhance efficiency, safety, and environmental protection.

在热力学和流体力学的研究中，术语bubble point指的是液体开始形成气泡的温度。这一现象对于理解各种物质的相变至关重要。当液体被加热时，其分子获得能量，最终达到一个点，使它们能够逃逸到气相。bubble point是重要的，因为它指示了液体开始沸腾的条件。例如，在石油和天然气行业，了解原油混合物的bubble point对于有效的提取和加工至关重要。它帮助工程师确定最佳的温度和压力条件，以最大化产量和效率。bubble point的概念在精馏塔的设计中也至关重要，精馏塔用于根据不同组分的沸点分离混合物。在精馏过程中，混合物被加热，随着温度的升高，沸点最低的组分首先达到其bubble point。这使得它可以蒸发并被收集，而剩余的组分则保持在液相。了解每个组分的bubble point所在位置对于设计高效的分离过程至关重要。此外，bubble point可能会因液体的组成而异。例如，在乙醇和水的混合物中，bubble point将不同于纯乙醇或纯水。这种变化是由于混合物中不同分子之间的相互作用，这会改变分子逃逸到气相所需的能量。化学家和工程师在处理混合物时，尤其是在制药等行业，必须考虑这些因素，因为精确测量至关重要。除了在工业过程中的应用外，bubble point的概念在环境科学中也有影响。了解各种污染物的bubble point可以帮助科学家预测这些物质在不同环境条件下的行为。例如，如果一种有毒化学物质具有低bubble point，它可能会迅速蒸发到大气中，造成空气质量风险。相反，高bubble point可能表明该物质会更长时间保持液态，可能污染土壤和水源。总之，bubble point是多个科学领域的基本概念，包括热力学、化工和环境科学。它在理解相变、设计分离过程和预测物质在不同环境中的行为方面发挥着关键作用。通过掌握bubble point的含义，这些领域的专业人士可以做出明智的决策，从而提高效率、安全性和环境保护。