coefficient of mass transfer

简明释义

传质系数

英英释义

The coefficient of mass transfer is a measure of the rate at which a substance moves from one phase to another, typically from a solid or liquid phase to a gas phase, or vice versa.

质量传递系数是衡量物质从一个相转移到另一个相的速率的指标,通常是从固体或液体相到气体相,或反之。

例句

1.Researchers are studying how temperature affects the coefficient of mass transfer 质量传递系数 in gas-liquid systems.

研究人员正在研究温度如何影响气液系统中的质量传递系数 coefficient of mass transfer

2.To improve the efficiency of the extraction process, we need to calculate the coefficient of mass transfer 质量传递系数 accurately.

为了提高提取过程的效率,我们需要准确计算质量传递系数 coefficient of mass transfer

3.The coefficient of mass transfer 质量传递系数 in this chemical reactor is critical for optimizing the reaction rate.

在这个化学反应器中,质量传递系数 coefficient of mass transfer 对于优化反应速率至关重要。

4.In environmental engineering, the coefficient of mass transfer 质量传递系数 is essential for modeling pollutant dispersion.

在环境工程中,质量传递系数 coefficient of mass transfer 对于建模污染物扩散是必不可少的。

5.The coefficient of mass transfer 质量传递系数 can vary significantly with different solvents used in the process.

在过程中使用不同溶剂时,质量传递系数 coefficient of mass transfer 可能会有显著变化。

作文

The concept of the coefficient of mass transfer is crucial in understanding various physical and chemical processes that occur in nature and in industrial applications. Essentially, the coefficient of mass transfer refers to a proportionality constant that indicates how efficiently mass is transferred from one phase to another. This concept is particularly relevant in fields such as chemical engineering, environmental science, and fluid dynamics. To illustrate its importance, consider the process of gas absorption, where a gas dissolves into a liquid. The efficiency of this process can be quantified using the coefficient of mass transfer. A higher coefficient indicates that the gas will dissolve more quickly and effectively into the liquid, which is critical in designing reactors and separation processes. In addition to gas absorption, the coefficient of mass transfer also plays a significant role in heat exchangers, where heat is transferred between two fluids. Here, the mass transfer coefficient can influence the overall heat transfer rate, affecting the efficiency of the system. Engineers must carefully calculate these coefficients to ensure optimal performance and energy savings. Furthermore, the coefficient of mass transfer is not a constant value; it can vary depending on several factors including temperature, pressure, and the physical properties of the substances involved. For instance, increasing the temperature of a solution generally increases the mass transfer coefficient due to enhanced molecular activity. Similarly, the presence of turbulence in a fluid can also increase the coefficient of mass transfer, leading to more efficient mixing and interaction between phases. Understanding the coefficient of mass transfer enables scientists and engineers to model complex systems and predict how substances will behave under different conditions. This knowledge is essential for developing new technologies, improving existing processes, and addressing environmental challenges such as pollution control and resource management. In summary, the coefficient of mass transfer is a fundamental parameter in the study of mass transfer phenomena. Its significance spans across multiple disciplines, highlighting its role in both theoretical research and practical applications. By mastering the principles surrounding the coefficient of mass transfer, professionals can enhance system designs, optimize processes, and contribute to advancements in technology and environmental sustainability.

“质量传递系数”这一概念对于理解自然界和工业应用中发生的各种物理和化学过程至关重要。基本上,“质量传递系数”是一个比例常数,表示物质从一个相转移到另一个相的效率。这个概念在化学工程、环境科学和流体动力学等领域尤为相关。以气体吸收过程为例,气体溶解到液体中。这个过程的效率可以用“质量传递系数”来量化。较高的系数表明气体将更快、更有效地溶解到液体中,这对设计反应器和分离过程至关重要。除了气体吸收外,“质量传递系数”在热交换器中也发挥着重要作用,在这里,热量在两种流体之间转移。此处,质量传递系数会影响整体热传递速率,从而影响系统的效率。工程师必须仔细计算这些系数,以确保最佳性能和节能。此外,“质量传递系数”并不是一个恒定值;它可能因温度、压力和所涉及物质的物理特性等多个因素而变化。例如,增加溶液的温度通常会提高质量传递系数,因为分子活性增强。同样,流体中的湍流也会提高“质量传递系数”,导致相之间的混合和相互作用更加高效。了解“质量传递系数”使科学家和工程师能够建模复杂系统,并预测在不同条件下物质的行为。这一知识对于开发新技术、改善现有工艺以及应对环境挑战(如污染控制和资源管理)至关重要。总之,“质量传递系数”是研究质量传递现象的基本参数。它的重要性跨越多个学科,突显了其在理论研究和实际应用中的作用。通过掌握围绕“质量传递系数”的原则,专业人士可以增强系统设计,优化过程,并为技术进步和环境可持续性做出贡献。