flow rate

USAGE SUMMARY

"Flow rate" is correct and usable in written English.
You can use it to refer to the rate at which a liquid or gas passes through a pipe, channel, or other passage. For example, "The flow rate of the river was greater than usual due to the heavy rainfall."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

(ii Gas volumetric flow rate.

Cornell University

It slows down the flow rate.

The Guardian - Business

The flow rate was 1.5 mL.

Nature

where is the fuel mass flow rate.

Massachusetts Institute of Technology

"Modeling Fuel Flow Rate using Gaussian Processes".

University of California, Berkeley

is the fuel mass flow rate.

Massachusetts Institute of Technology

(C) Dependence of the N2H4 flow rate as the cathode flow rate was fixed at 4.2 mL min−1; (D) Dependence of the H2O2 flow rate as the anode flow rate was fixed at 1.4 mL min−1.

Nature

Arrows show the direction of the applied flow rate.

Nature

The flow rate was set to 0.2 ml/min.

Nature

The III/V ratio flow rate was 320.

Nature

Liquid flow rate.

Journal of Petroleum Exploration and Production Technology

Expert writing Tips

Best practice

When discussing "flow rate", specify the units of measurement (e.g., liters per minute, cubic meters per second) to ensure clarity and avoid ambiguity.

Common error

Avoid using inconsistent or undefined units when reporting "flow rate". Always specify standard units like liters per minute (L/min) or cubic meters per second (m³/s) to maintain accuracy and prevent misinterpretation.

Linguistic Context

The phrase "flow rate" primarily functions as a noun phrase. It names a specific quantity related to the movement of fluids or gases. Ludwig AI confirms this usage across various contexts.

Expression frequency: Very common

Frequent in

Science

60%

Academia

20%

News & Media

10%

Less common in

Formal & Business

5%

Encyclopedias

3%

Wiki

2%

Ludwig's WRAP-UP

In summary, "flow rate" is a noun phrase used to quantify the amount of fluid or gas moving per unit time. It is grammatically correct, very common, and primarily used in scientific, academic, and technical contexts. Ludwig AI confirms its frequent usage across these domains. When using "flow rate", it's important to specify the units of measurement to ensure clarity. Related terms include "discharge rate" and "rate of flow", which offer similar meanings with subtle contextual differences.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

rate of flow

This is a simple reordering of the words but maintains the same core meaning as "flow rate".

discharge rate

This term refers specifically to the rate at which something is discharged or released, often from a container or system.

efflux rate

This term specifically describes the rate at which something flows out of a system.

volumetric flow

This alternative highlights the volume of fluid moving per unit of time.

drainage rate

This refers to the speed at which liquid drains from an area or object.

fluid velocity

This phrase emphasizes the speed at which the fluid is moving.

mass flow

This refers to the mass of a substance that passes a point per unit time, useful when density varies.

transfer velocity

This phrase is used more broadly for any kind of transfer, not just fluids.

delivery rate

This focuses on the rate at which something is delivered or supplied.

throughput

This refers to the amount of material or items passing through a system or process.

FAQs

How is "flow rate" measured?

"Flow rate" can be measured using various devices such as flow meters, venturi meters, or orifice plates, depending on the application and fluid type. The choice of method depends on factors like accuracy requirements and the properties of the fluid.

What are the factors affecting "flow rate"?

Several factors can affect "flow rate", including pressure difference, fluid viscosity, pipe diameter, and the presence of obstructions or constrictions in the flow path.

What is the difference between "flow rate" and "fluid velocity"?

"Flow rate" refers to the volume of fluid passing a point per unit of time, while "fluid velocity" refers to the speed at which the fluid is moving. "Flow rate" is a volumetric measure, while velocity is a linear measure.

In what contexts is understanding "flow rate" most crucial?

Understanding "flow rate" is crucial in various fields, including engineering, medicine, and environmental science, for applications such as designing efficient pipelines, controlling drug dosages, and managing water resources.