mass flow

简明释义

质量流

英英释义

Mass flow refers to the quantity of mass that passes through a given surface per unit time, often expressed in kilograms per second.

质量流量是指单位时间内通过给定表面的质量数量,通常以每秒千克来表示。

例句

1.To design an efficient ventilation system, we need to analyze the mass flow 质量流量 of air.

为了设计高效的通风系统,我们需要分析空气的质量流量 mass flow

2.In the chemical reactor, the mass flow 质量流量 of reactants must be controlled precisely.

在化学反应器中,反应物的质量流量 mass flow 必须精确控制。

3.The mass flow 质量流量 of water in the pump was monitored to prevent overflow.

泵中水的质量流量 mass flow 被监测以防止溢出。

4.The engineer calculated the mass flow 质量流量 of the gas through the pipeline to ensure efficiency.

工程师计算了管道中气体的质量流量 mass flow 以确保效率。

5.The mass flow 质量流量 measurement helps in optimizing the combustion process in engines.

对发动机中燃烧过程的优化有帮助的是质量流量 mass flow 测量。

作文

In the field of physics and engineering, understanding the concept of mass flow is crucial for various applications, particularly in fluid dynamics. Mass flow refers to the mass of a substance that passes through a given surface per unit time. It is typically measured in kilograms per second (kg/s) and is an essential parameter in designing systems such as pipelines, engines, and reactors. The significance of mass flow can be observed in different scenarios, from industrial processes to environmental studies.One of the primary applications of mass flow is in the transportation of fluids. For instance, in oil and gas industries, pipelines are designed based on the mass flow rate to ensure efficient and safe transport of resources over long distances. Engineers must calculate the required diameter of the pipeline, the pressure needed to maintain flow, and the temperature conditions, all of which depend heavily on the mass flow rate. A higher mass flow rate may necessitate larger pipes and more robust materials to withstand the increased pressure.Moreover, mass flow plays a vital role in combustion processes, such as those found in internal combustion engines. In these engines, the mass flow of air and fuel into the combustion chamber directly influences the engine's efficiency and power output. Engineers use mass flow measurements to optimize fuel injection systems, ensuring that the right amount of fuel mixes with air for optimal combustion. This optimization not only improves performance but also reduces emissions, contributing to a cleaner environment.In addition to its applications in engineering, mass flow is also important in environmental science. Understanding the mass flow of pollutants in air and water bodies helps scientists assess the impact of industrial activities on ecosystems. For example, measuring the mass flow of contaminants in a river can help determine the effectiveness of pollution control measures and inform regulatory decisions. By tracking how pollutants move and disperse, researchers can develop strategies to mitigate their effects on wildlife and human health.Furthermore, the concept of mass flow is closely related to the principle of conservation of mass, which states that mass cannot be created or destroyed in a closed system. This principle is fundamental in various scientific fields, including chemistry and biology. When studying chemical reactions, for instance, understanding the mass flow of reactants and products allows chemists to balance equations and predict the outcomes of reactions accurately.In conclusion, the concept of mass flow is integral to many scientific and engineering disciplines. Its applications range from optimizing industrial processes to protecting the environment. By mastering the principles behind mass flow, professionals can design more efficient systems, reduce environmental impacts, and contribute to advancements in technology. As we continue to face challenges related to resource management and environmental sustainability, the importance of understanding mass flow will only grow, highlighting the need for ongoing research and innovation in this area.

在物理和工程领域,理解质量流量的概念对于各种应用至关重要,特别是在流体动力学中。质量流量是指单位时间内通过给定表面的物质质量。它通常以千克每秒(kg/s)为单位进行测量,是设计管道、发动机和反应器等系统的重要参数。质量流量的重要性可以在不同场景中观察到,从工业过程到环境研究。质量流量的主要应用之一是在流体运输中。例如,在石油和天然气行业,管道的设计基于质量流量速率,以确保资源在长距离运输中的高效和安全。工程师必须计算所需的管道直径、维持流动所需的压力以及温度条件,这些都在很大程度上依赖于质量流量速率。较高的质量流量速率可能需要更大的管道和更坚固的材料来承受增加的压力。此外,质量流量在燃烧过程中也发挥着重要作用,例如在内燃机中。在这些发动机中,空气和燃料的质量流量进入燃烧室直接影响发动机的效率和功率输出。工程师使用质量流量测量值来优化燃油喷射系统,确保适量的燃料与空气混合以实现最佳燃烧。这种优化不仅提高了性能,还减少了排放,有助于保护环境。除了在工程中的应用外,质量流量在环境科学中也很重要。了解空气和水体中污染物的质量流量有助于科学家评估工业活动对生态系统的影响。例如,测量河流中污染物的质量流量可以帮助确定污染控制措施的有效性,并为监管决策提供信息。通过追踪污染物的移动和扩散,研究人员可以制定减轻其对野生动物和人类健康影响的策略。此外,质量流量的概念与质量守恒原理密切相关,该原理指出,在封闭系统中,质量不能被创造或销毁。这个原理在化学和生物学等多个科学领域是基础。当研究化学反应时,理解反应物和产品的质量流量使化学家能够平衡方程并准确预测反应结果。总之,质量流量的概念是许多科学和工程学科的核心。它的应用范围从优化工业过程到保护环境。通过掌握质量流量背后的原理,专业人士可以设计出更高效的系统,减少环境影响,并推动技术进步。随着我们继续面临资源管理和环境可持续性相关的挑战,理解质量流量的重要性将只会增加,突显出在这一领域持续研究和创新的必要性。