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CSTR Reactor Design Calculator

Calculates the residence time and required reactor volume for a Continuous Stirred Tank Reactor (CSTR) given reaction order, flow rate, and conversion. Essential for chemical reactor design and scale-up.

Volumetric Flow Rate (m³/h)

Desired Conversion (%)

Rate Constant (k) (h⁻¹)

Reaction Order

Initial Concentration (mol/L)

Fill in the required fields to see your result.

Chemical Engineering

Pipe Pressure Drop Calculator

Compute the friction term f·(L/D)·(v²/2) from the Darcy-Weisbach equation — the specific energy loss per unit mass of fluid flowing through a straight pipe. Multiply by fluid density to get pressure drop in Pa, or divide by g for head loss in metres.

Friction Factor

Pipe Length (m)

Pipe Diameter (m)

Fluid Velocity (m/s)

Fill in the required fields to see your result.

Key differences

	CSTR Reactor Design Calculator	Pipe Pressure Drop Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	5	4
Result	Required Reactor Volume (m³)	Pressure Drop (m)
What it does	Calculates the residence time and required reactor volume for a Continuous Stirred Tank Reactor (CSTR) given reaction order, flow rate, and conversion. Essential for chemical reactor design and scale-up.	Compute the friction term f·(L/D)·(v²/2) from the Darcy-Weisbach equation — the specific energy loss per unit mass of fluid flowing through a straight pipe. Multiply by fluid density to get pressure drop in Pa, or divide by g for head loss in metres.