mass transfer coefficient

简明释义

传质系数

英英释义

例句

1.In heat exchangers, the mass transfer coefficient affects the overall efficiency of heat transfer.

在热交换器中，质量传递系数影响热传递的整体效率。

2.The mass transfer coefficient is crucial in designing chemical reactors for efficient mixing.

在设计化学反应器以实现有效混合时，质量传递系数至关重要。

3.To improve solvent extraction, researchers measured the mass transfer coefficient under various conditions.

为了改善溶剂萃取，研究人员在不同条件下测量了质量传递系数。

4.Engineers often calculate the mass transfer coefficient to optimize absorption processes in scrubbers.

工程师们通常计算质量传递系数以优化洗涤塔中的吸收过程。

5.The mass transfer coefficient can vary significantly depending on the fluid properties and flow regime.

根据流体特性和流动状态，质量传递系数可能会显著变化。

作文

The concept of the mass transfer coefficient is fundamental in the fields of chemical engineering, environmental science, and various industrial processes. It refers to a proportionality constant that describes the rate at which a substance moves from one phase to another, such as from a liquid to a gas or from a solid to a liquid. Understanding this coefficient is crucial for designing efficient separation processes, such as distillation, absorption, and extraction. In practical applications, the mass transfer coefficient can significantly influence the performance of equipment used in these processes. For instance, in a gas absorption column, the rate at which a gas dissolves into a liquid depends on the mass transfer coefficient, which is influenced by factors such as temperature, pressure, and the physical properties of the substances involved. A higher mass transfer coefficient indicates a more efficient transfer of mass, leading to improved process performance and reduced energy consumption.Moreover, the mass transfer coefficient is not a constant value; it can vary depending on the operating conditions and the nature of the materials involved. For example, in turbulent flow conditions, the mass transfer coefficient tends to be higher due to increased mixing and contact between phases. Conversely, in laminar flow, the mass transfer coefficient may be lower because of reduced interaction between the phases. This variability means that engineers must carefully consider the conditions under which they operate their systems to optimize the mass transfer coefficient and achieve the desired outcomes.In addition to its importance in industrial applications, the mass transfer coefficient also plays a significant role in environmental processes. For instance, the transfer of pollutants from water to air or vice versa is governed by the mass transfer coefficient. Understanding how pollutants move through different media can help in designing effective remediation strategies and assessing the impact of human activities on the environment.Furthermore, research continues to advance our understanding of the mass transfer coefficient. New experimental techniques and computational models are being developed to measure and predict this coefficient more accurately. As science progresses, we gain deeper insight into the mechanisms that govern mass transfer, allowing for better predictions and optimizations in both industrial and environmental contexts.In conclusion, the mass transfer coefficient is a vital parameter that influences many aspects of chemical processes and environmental interactions. By enhancing our understanding of this coefficient, we can improve the efficiency of industrial operations and develop more effective environmental management strategies. The ongoing research in this field promises to yield even more valuable insights, paving the way for innovations that will benefit both industry and society as a whole.

“质量传递系数”是化学工程、环境科学和各种工业过程中一个基本的概念。它指的是一个比例常数，用于描述物质从一个相转移到另一个相的速率，例如从液体到气体或从固体到液体。理解这个系数对于设计高效的分离过程（如蒸馏、吸收和提取）至关重要。在实际应用中，“质量传递系数”可以显著影响用于这些过程的设备性能。例如，在气体吸收塔中，气体溶解到液体中的速率取决于“质量传递系数”，而该系数又受到温度、压力和所涉及物质的物理性质等因素的影响。更高的“质量传递系数”表明更有效的质量转移，从而提高过程性能并减少能耗。此外，“质量传递系数”并不是一个常量；它可能会根据操作条件和材料的性质而变化。例如，在湍流流动条件下，“质量传递系数”往往较高，因为相之间的混合和接触增加。相反，在层流中，由于相之间的相互作用减少，“质量传递系数”可能较低。这种变异性意味着工程师必须仔细考虑他们操作系统的条件，以优化“质量传递系数”，实现预期的结果。除了在工业应用中的重要性外，“质量传递系数”在环境过程中也发挥着重要作用。例如，污染物从水转移到空气或反之亦然的过程受“质量传递系数”的控制。理解污染物如何通过不同介质移动可以帮助设计有效的修复策略，并评估人类活动对环境的影响。此外，研究还在不断推动我们对“质量传递系数”的理解。新的实验技术和计算模型正在开发中，以更准确地测量和预测该系数。随着科学的进步，我们对支配质量传递的机制有了更深入的了解，从而允许更好的预测和优化，无论是在工业还是环境背景下。总之，“质量传递系数”是影响化学过程和环境相互作用许多方面的重要参数。通过增强我们对该系数的理解，我们可以提高工业操作的效率，并开发更有效的环境管理策略。该领域持续的研究承诺将带来更有价值的见解，为行业和社会的创新铺平道路。