cubic feet per hour

简明释义

每小时立方英尺

英英释义

例句

1.The water pump can move 2000 cubic feet per hour to irrigate the fields efficiently.

水泵每小时可以移动2000立方英尺的水，以高效灌溉农田。

2.Our new ventilation system can exchange air at 600 cubic feet per hour to ensure good air quality.

我们的新通风系统每小时可以交换600立方英尺的空气，以确保良好的空气质量。

3.This fan circulates air at 300 cubic feet per hour, making it ideal for small spaces.

这个风扇的空气循环速度为每小时300立方英尺，非常适合小空间。

4.The air conditioning unit can cool down the room at a rate of 400 cubic feet per hour.

空调单位可以以每小时400立方英尺的速度冷却房间。

5.This industrial blower has a capacity of 1500 cubic feet per hour for dust removal.

这个工业鼓风机的尘埃去除能力为每小时1500立方英尺。

作文

Understanding the concept of airflow measurement is essential in various fields, particularly in engineering and HVAC (Heating, Ventilation, and Air Conditioning) industries. One commonly used unit for measuring airflow is cubic feet per hour, which is abbreviated as CFM. This unit quantifies the volume of air that passes through a specific point in one hour. To better understand this concept, let's delve deeper into its significance and applications.Firstly, cubic feet per hour provides a clear representation of how much air is being moved in a given system. For instance, in an HVAC system, it is crucial to know how much air is circulated to maintain optimal indoor air quality and comfort. A system with too low a CFM may not provide adequate ventilation, leading to stale air and potential health issues. Conversely, a system with excessively high CFM can cause discomfort due to drafts and increased energy costs.In addition to HVAC systems, cubic feet per hour is also vital in various industrial processes. For example, in manufacturing plants where large machinery operates, understanding the airflow is critical for safety and efficiency. Many machines require specific airflow rates to function correctly; hence, monitoring the cubic feet per hour ensures they operate within safe parameters. This is particularly important in processes involving combustion, where insufficient airflow can lead to incomplete combustion and hazardous conditions.Moreover, outdoor applications also utilize cubic feet per hour measurements. In environmental studies, researchers might measure the airflow in natural settings to assess pollution dispersion or the effectiveness of air quality control measures. By knowing the cubic feet per hour of air moving through an area, scientists can model how pollutants spread and develop strategies to mitigate their impact on the environment.To calculate cubic feet per hour, one must consider the cross-sectional area of the duct or opening through which the air flows and the velocity of the air. The formula is simple: multiply the area of the duct (in square feet) by the velocity of air (in feet per minute) and then multiply the result by 60 (to convert minutes to hours). This calculation is fundamental for engineers and technicians who design and maintain ventilation systems, ensuring they meet the required standards for performance.In conclusion, the term cubic feet per hour is more than just a measurement; it is a crucial factor in numerous applications ranging from HVAC systems to industrial processes and environmental research. Understanding how to measure and interpret this unit allows professionals to optimize airflow, enhance safety, and improve overall system efficiency. As we continue to advance in technology and become more aware of our environmental impacts, grasping concepts like cubic feet per hour will remain vital for future innovations and sustainable practices.

理解气流测量的概念在各个领域中至关重要，尤其是在工程和暖通空调（HVAC）行业。一个常用的气流测量单位是每小时立方英尺，简称CFM。这个单位量化了在一个小时内通过特定点的空气体积。为了更好地理解这一概念，让我们深入探讨它的重要性和应用。首先，每小时立方英尺提供了一个清晰的表示，说明在给定系统中移动了多少空气。例如，在HVAC系统中，了解循环的空气量对于保持最佳室内空气质量和舒适度至关重要。一个CFM过低的系统可能无法提供足够的通风，导致空气不新鲜和潜在的健康问题。相反，CFM过高的系统会因气流造成不适，并增加能源成本。除了HVAC系统外，每小时立方英尺在各种工业过程中也至关重要。例如，在大型机械操作的制造厂中，了解气流对于安全和效率至关重要。许多机器需要特定的气流速率才能正常运行；因此，监测每小时立方英尺确保它们在安全参数内运行。这在涉及燃烧的过程中尤为重要，因为气流不足可能导致燃烧不完全和危险条件。此外，户外应用也利用每小时立方英尺的测量。在环境研究中，研究人员可能会测量自然环境中的气流，以评估污染物扩散或空气质量控制措施的有效性。通过了解在某个区域内的每小时立方英尺的空气流动，科学家可以模拟污染物的扩散并制定减轻其对环境影响的策略。要计算每小时立方英尺，必须考虑空气流过的管道或开口的横截面积和空气的速度。公式很简单：将管道的面积（以平方英尺计）乘以空气的速度（以每分钟英尺计），然后将结果乘以60（以将分钟转换为小时）。这个计算对于设计和维护通风系统的工程师和技术人员至关重要，确保它们符合性能的要求标准。总之，术语每小时立方英尺不仅仅是一个测量单位；它是HVAC系统、工业过程和环境研究等众多应用中的关键因素。了解如何测量和解释这个单位使专业人士能够优化气流，提高安全性，改善整体系统效率。随着我们在技术上不断进步并越来越意识到环境影响，掌握像每小时立方英尺这样的概念将对未来的创新和可持续实践至关重要。