ventilation rate

USAGE SUMMARY

The phrase "ventilation rate" is correct and usable in written English.
It can be used in contexts related to air quality, HVAC systems, or environmental science when discussing the amount of air exchanged in a given space over time. Example: "To ensure optimal air quality in the building, we need to monitor the ventilation rate regularly."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

This paper is concerned with proportional-integral-plus (PIP) control of ventilation rate in mechanically ventilated agricultural buildings.

Control Engineering Practice

Animals were intubated through a tracheotomy and ventilated mechanically (tidal volume 3 mL; ventilation rate 50 strokes/min).

BMC Genomics

Ventilation rate of rooms in buildings is particularly analyzed.

Journal of Wind Engineering and Industrial Aerodynamics

Reynolds Averaged Navier Stokes (RANS) modeling cannot correctly calculate the ventilation rate in this case.

Journal of Wind Engineering and Industrial Aerodynamics

Room ventilation rate was automatically controlled by a climate control strategy based on indoor thermal conditions, while pit ventilation rate was fixed at 10% of the maximum ventilation rate.

Biosystems Engineering

CO generation during coal oxidation is also closely related to the ventilation rate.

Journal of Loss Prevention in the Process Industries

Existing ventilation rate measuring techniques for natural ventilation do not provide an online quantification of ventilation rate through the building envelope.

Building and Environment

Therefore, the optimum ventilation rate is 414 m3/h, which achieved the optimum indoor air temperature.

International Journal of Energy and Environmental Engineering

Open image in new window Fig. 9 The effective ventilation rate in the system.

International Journal of Energy and Environmental Engineering

(2) The radon concentration scales with the inverse of the ventilation rate.

Insights into Imaging

Harris et al. [13] computationally analyzed the effect of inclination angle on the induced ventilation rate.

International Journal of Energy and Environmental Engineering

Expert writing Tips

Best practice

When discussing building design or HVAC systems, clearly define the "ventilation rate" in specific units (e.g., cubic feet per minute (CFM) or air changes per hour (ACH)) to ensure clarity and avoid ambiguity.

Common error

Don't assume that increasing the "ventilation rate" will always improve air quality. Consider factors like the source of the incoming air, filtration, and potential for drafts, as simply increasing the rate might introduce pollutants or create uncomfortable conditions.

Linguistic Context

The phrase "ventilation rate" functions as a noun phrase, typically used as the subject or object of a sentence. It describes a measurable quantity related to air exchange, such as "Room ventilation rate was automatically controlled...", as shown by Ludwig.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "ventilation rate" is a grammatically sound and frequently used term, primarily within scientific and technical domains. Ludwig AI validates its correctness and demonstrates its common application in contexts related to air quality, HVAC systems, and environmental science. To ensure clear and effective communication, always specify the units when using this phrase. While increasing "ventilation rate" is generally beneficial, it is crucial to consider other factors that affect indoor air quality. This phrase's consistent usage and formal register make it a reliable choice for technical and scientific writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

air exchange rate

Refers specifically to the number of times the air in a space is replaced per unit of time, emphasizing the exchange process.

air change rate

Similar to air exchange rate, but emphasizes the rate at which air is changed within a space.

rate of air exchange

A more descriptive way of saying air exchange rate, adding emphasis to the exchange process itself.

airflow rate

Focuses on the speed or volume of air moving through a space, highlighting the movement aspect.

air replacement rate

Focuses on the replacement of old air with new air, indicating the speed of air renewal.

ventilation level

Indicates the degree or intensity of ventilation, rather than the specific rate.

level of air exchange

Similar to ventilation level, emphasizing the intensity of air exchange.

ventilation frequency

Describes how often air is ventilated or exchanged, emphasizing the frequency of the process.

air circulation rate

Highlights the circulation of air within a space, which contributes to the overall ventilation.

degree of ventilation

Emphasizes the extent or intensity of the ventilation process.

FAQs

How is "ventilation rate" measured?

The "ventilation rate" is typically measured in air changes per hour (ACH) or cubic feet per minute (CFM) using devices like anemometers, tracer gas techniques, or through calculations based on fan performance and duct sizes.

What factors affect the "ventilation rate" in a building?

Several factors can influence the "ventilation rate", including the design of the HVAC system, the number and size of windows, the tightness of the building envelope, wind speed, and the presence of mechanical ventilation systems.

What is a good "ventilation rate" for indoor air quality?

The ideal "ventilation rate" varies depending on the building type, occupancy, and activities performed within the space. Standards like ASHRAE 62.1 provide guidelines for minimum ventilation rates to maintain acceptable indoor air quality. Maintaining an effective "air exchange rate" is critical.

What are the consequences of inadequate "ventilation rate"?

An insufficient "ventilation rate" can lead to poor indoor air quality, accumulation of pollutants, increased risk of respiratory infections, and discomfort for occupants. Increasing "airflow rate" can improve overall health.