bubble point
简明释义
1. 泡点; 2. 始沸点; 3. 泡点压力;
英英释义
The bubble point is the temperature and pressure at which a liquid begins to form bubbles of vapor, indicating the start of boiling. | 泡点是指液体开始形成气泡的温度和压力,这标志着沸腾的开始。 |
例句
1.Understanding the bubble point is crucial for designing efficient distillation columns.
理解泡点对设计高效的蒸馏塔至关重要。
2.The bubble point of the solvent is critical when selecting materials for chemical reactions.
当选择化学反应材料时,溶剂的泡点至关重要。
3.The process engineer calculated the bubble point to determine the temperature at which the first bubble of vapor forms in the liquid mixture.
过程工程师计算了泡点以确定液体混合物中第一个气泡形成的温度。
4.During the experiment, we observed that the bubble point shifted with varying pressures.
在实验过程中,我们观察到随着压力的变化,泡点发生了变化。
5.A higher bubble point indicates a stronger interaction between the components of the mixture.
较高的泡点表示混合物成分之间的相互作用更强。
作文
In the field of thermodynamics and chemical engineering, the term bubble point refers to the temperature at which a liquid begins to form bubbles of vapor. This phenomenon is critical in processes such as distillation, where understanding the bubble point is essential for efficient separation of components in a mixture. The bubble point is influenced by the pressure of the system and the composition of the liquid. When a liquid is heated, it will eventually reach a temperature where its vapor pressure equals the surrounding pressure, causing the first bubbles of vapor to form. This is known as the bubble point temperature.To illustrate the importance of the bubble point, consider the process of crude oil refining. Crude oil is a complex mixture of hydrocarbons that must be separated into various useful products such as gasoline, diesel, and jet fuel. During the distillation process, different fractions of crude oil are heated, and their bubble points are determined. Each component has its own bubble point, which allows engineers to optimize the distillation columns for maximum efficiency.Understanding the bubble point also plays a vital role in the design of chemical reactors. In reactions involving gases and liquids, knowing the bubble point helps predict when gas will evolve from the liquid phase. This information is crucial for maintaining safety and efficiency in industrial operations. If the bubble point is not accurately calculated, it could lead to excessive pressure build-up within the reactor, resulting in hazardous situations.Moreover, the bubble point is not static; it can change with variations in pressure and composition. For example, in a solution of ethanol and water, the bubble point will differ depending on the ratio of the two substances. As the concentration of ethanol increases, the bubble point decreases, allowing for more efficient distillation at lower temperatures. This characteristic is utilized in the production of alcoholic beverages, where distillers aim to extract alcohol at its bubble point to maximize yield while minimizing energy consumption.In addition to industrial applications, the concept of the bubble point has implications in environmental science. For instance, understanding the bubble point of pollutants in water bodies can help assess the volatility of these substances, aiding in the development of remediation strategies. By determining the bubble point, scientists can predict how pollutants will behave under varying temperature and pressure conditions, which is crucial for effective environmental management.In conclusion, the term bubble point encompasses a fundamental concept in thermodynamics and chemical engineering that impacts various industries and scientific fields. From refining crude oil to designing safe chemical reactors and managing environmental pollutants, the bubble point is a key parameter that influences many processes. A thorough understanding of this concept enables engineers and scientists to optimize operations, enhance safety, and improve overall efficiency in their respective fields.
在热力学和化学工程领域,术语bubble point指的是液体开始形成气泡的温度。这个现象在蒸馏等过程中至关重要,理解bubble point对有效分离混合物中的成分是必不可少的。bubble point受系统压力和液体成分的影响。当液体被加热时,它最终会达到一个温度,在这个温度下,其蒸汽压力等于周围压力,从而导致第一批气泡的形成。这被称为bubble point温度。为了说明bubble point的重要性,考虑原油精炼过程。原油是由复杂的烃类组成的混合物,必须将其分离成各种有用的产品,如汽油、柴油和喷气燃料。在蒸馏过程中,不同的原油组分被加热,并确定它们的bubble points。每个组分都有其自己的bubble point,这使得工程师能够优化蒸馏塔以实现最大效率。了解bubble point在化学反应器的设计中也起着至关重要的作用。在涉及气体和液体的反应中,了解bubble point有助于预测气体何时会从液相中逸出。这些信息对于维持工业操作的安全性和效率至关重要。如果没有准确计算bubble point,可能导致反应器内压力过大,从而导致危险情况。此外,bubble point并不是静态的;它可以随着压力和组成的变化而变化。例如,在乙醇和水的溶液中,bubble point将根据两种物质的比例而有所不同。随着乙醇浓度的增加,bubble point降低,使得在较低温度下更有效地进行蒸馏。这一特性被用于酒精饮料的生产,蒸馏工人旨在在其bubble point处提取酒精,以最大限度地提高产量,同时减少能耗。除了工业应用外,bubble point的概念在环境科学中也具有重要意义。例如,了解水体中污染物的bubble point可以帮助评估这些物质的挥发性,促进修复策略的制定。通过确定bubble point,科学家可以预测污染物在不同温度和压力条件下的行为,这对于有效的环境管理至关重要。总之,术语bubble point涵盖了热力学和化学工程中的一个基本概念,影响着各个行业和科学领域。从原油精炼到安全化学反应器的设计,再到环境污染物的管理,bubble point是影响许多过程的关键参数。对这一概念的透彻理解使工程师和科学家能够优化操作、增强安全性并提高各自领域的整体效率。
相关单词