Mass flow rate vs volumetric flow rate

Table of Contents

What is mass flow?

What is volumetric flow?

Mass circulate fee vs volumetric move rate

Benefits of mass flow measurement

Mass circulate meter examples

Examples of volumetric flow meters

Flow meter products

What is mass flow?

Mass is how a lot matter is in a substance and is usually expressed in weight (grams, kilograms, tons, ounces or pounds).
Mass flow is the motion of mass over time via a fluid with an effective cross part in a closed pipe or open tank, so the unit of measurement is mass (or weight) per unit of time, expressed as pounds per hour or kilograms per second. One of the benefits is that in measuring mass circulate, the mass or weight does not change with temperature or stress. However, weight varies with gravity, however as long as we are dealing with earth functions, gravity is identical and doesn’t have an effect on the mass circulate rate. The mass move technique is principally divided into direct and indirect strategies.
What is volumetric flow?

Volume is a three-dimensional measure of the world occupied by a substance.
Volumetric flow is a measure of the motion of a substance through a device over time. The standard models of measurement for volumetric flow are meters3 /second, milliliters/second, or feet3 /hour.
When heating a gas, the molecules bounce off one another, the fuel expands, and the same quantity of gas will now have a special area (i.e., assuming it’s not a set volume). If the quantity is fastened, the stress will increase when the temperature increases. In addition, when increasing the pressure, the quantity measurement will decrease.
For this cause, when using a volumetric flow meter to measure a fuel, temperature and strain measurements as properly as gasoline density are required to convert the volume circulate to mass move.
Mass flow fee vs volumetric flow fee

The difference between the 2 is that mass flow is the measurement of the variety of molecules in a flowing gas, whereas quantity move is the measurement of the area occupied by these molecules. Since gases are compressible, the quantity move rate modifications significantly when the strain or temperature changes.
Mass move is chosen when the main target of the flow measurement is the fuel itself. Volumetric circulate is selected when the primary target of the flow measurement or control is inside the quantity of the fuel. For example, industrial hygiene and ambient air monitoring applications work greatest in volumetric move measurements as a outcome of the objective is to quantify the number of particles inside the quantity of air under actual measurement conditions.
Benefits of mass circulate measurement

There are some distinct benefits to using a mass circulate meter rather than a volumetric meter. When using a volumetric meter, there is the added value of buying and putting in further equipment for temperature and stress correction. There is also an extra calculation to transform the volumetric flow price to mass move fee. In addition, mass move measurements are thought-about to provide extra reliable, higher accuracy and better repeatable data than volumetric move methods.
Mass flow meter examples

The following units measure gas mass circulate charges.
Coriolis flow meters

Thermal mass move meters

Ultrasonic move meters (indirect mass flow)

Examples of volumetric move meters

The following devices measure volumetric circulate rates.
Volumetric flow meters

Turbine circulate meters

Orifice plate

Venturi

Vortex flowmeter

Pitot tube

Rotor flowmeter

Flow meter merchandise

TUF Clamp On Ultrasonic Flow Meter

Learn More TUF Clamp On Ultrasonic Flow Meter

MHC Portable Ultrasonic Doppler Flow Meter

Learn More MHC Portable Ultrasonic Doppler Flow Meter

LWGY Liquid Turbine Flow Meter

Learn More LWGY Liquid Turbine Flow Meter

AQT Steam Vortex Flow Meter

Learn More AQT Steam Vortex Flow Meter

APT Air Vortex Flow Transmitter

Learn More APT Air Vortex Flow Transmitter

LZS Rotameter Float Flow Meter

Learn More LZS Rotameter Float Flow Meter

More prolonged reading on flow meters:
Difference between flowmeter and flow transmitter

Flow meter for oil and fuel

How to select a right water circulate meter?
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Table of Contents

What is mass flow?

What is volumetric flow?

Mass flow price vs volumetric circulate price

Benefits of mass circulate measurement

Mass flow meter examples

Examples of volumetric circulate meters

Flow meter products

What is mass flow?

Mass is how much matter is in a substance and is normally expressed in weight (grams, kilograms, tons, ounces or pounds).
Mass circulate is the movement of mass over time by way of a fluid with an effective cross part in a closed pipe or open tank, so the unit of measurement is mass (or weight) per unit of time, expressed as pounds per hour or kilograms per second. One of the benefits is that in measuring mass flow, the mass or weight does not change with temperature or strain. However, digital pressure gauge varies with gravity, however so lengthy as we are dealing with earth applications, gravity is identical and does not have an result on the mass flow rate. The mass move methodology is especially divided into direct and oblique strategies.
What is volumetric flow?

Volume is a three-dimensional measure of the realm occupied by a substance.
Volumetric flow is a measure of the motion of a substance by way of a tool over time. The normal units of measurement for volumetric move are meters3 /second, milliliters/second, or feet3 /hour.
When heating a gas, the molecules bounce off each other, the gasoline expands, and the same quantity of gasoline will now have a special space (i.e., assuming it is not a set volume). If the amount is fastened, the strain will enhance when the temperature increases. In addition, when increasing the strain, the quantity measurement will lower.
For this purpose, when using a volumetric circulate meter to measure a fuel, temperature and stress measurements in addition to gasoline density are required to convert the quantity circulate to mass move.
Mass move fee vs volumetric circulate price

The difference between the 2 is that mass move is the measurement of the number of molecules in a flowing gas, while volume move is the measurement of the area occupied by those molecules. Since gases are compressible, the amount circulate rate changes significantly when the pressure or temperature adjustments.
Mass move is chosen when the major target of the flow measurement is the gasoline itself. Volumetric flow is chosen when the main focus of the circulate measurement or control is throughout the volume of the gas. For instance, industrial hygiene and ambient air monitoring applications work finest in volumetric flow measurements as a result of the objective is to quantify the number of particles throughout the quantity of air underneath actual measurement conditions.
Benefits of mass move measurement

There are some distinct benefits to utilizing a mass flow meter rather than a volumetric meter. When utilizing a volumetric meter, there’s the added price of purchasing and installing extra tools for temperature and pressure correction. There can additionally be an additional calculation to convert the volumetric move price to mass flow price. In addition, mass circulate measurements are thought-about to provide more dependable, greater accuracy and higher repeatable knowledge than volumetric move methods.
Mass circulate meter examples

The following devices measure gas mass flow charges.
Coriolis move meters

Thermal mass flow meters

Ultrasonic move meters (indirect mass flow)

Examples of volumetric move meters

The following devices measure volumetric flow rates.
Volumetric move meters

Turbine flow meters

Orifice plate

Venturi

Vortex flowmeter

Pitot tube

Rotor flowmeter

Flow meter merchandise

TUF Clamp On Ultrasonic Flow Meter

Learn More TUF Clamp On Ultrasonic Flow Meter

MHC Portable Ultrasonic Doppler Flow Meter

Learn More MHC Portable Ultrasonic Doppler Flow Meter

LWGY Liquid Turbine Flow Meter

Learn More LWGY Liquid Turbine Flow Meter

AQT Steam Vortex Flow Meter

Learn More AQT Steam Vortex Flow Meter

APT Air Vortex Flow Transmitter

Learn More APT Air Vortex Flow Transmitter

LZS Rotameter Float Flow Meter

Learn More LZS Rotameter Float Flow Meter

More extended reading on circulate meters:
Difference between flowmeter and move transmitter

Flow meter for oil and gasoline

How to select a right water circulate meter?

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