Engineering Calculators

Top Process Simulation Tools for Engineers

Process Simulation Toolkit

CSTR Steady-State Simulation

m³/min
mol/m³
min⁻¹

Outlet Concentration (CAout)

mol/m³

Conversion (X)

%

Step-by-Step Solution

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Co-Current Heat Exchanger

Hot Fluid

Cold Fluid

Exchanger Properties

Hot Outlet Temp

°C

Cold Outlet Temp

°C

Heat Duty (Q)

kW

LMTD

°C

Step-by-Step Solution

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PID Controller Simulation (First-Order Process)

Process Parameters

PID Tunings

Theory & Formulas

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This simulates a PID controller's response to a setpoint change on a first-order process (like a tank level).

Process Equation:

τp * d(PV)/dt + PV = Kp * OP(t)

PID Controller Equation:

OP(t) = Kc * [e(t) + (1/τI) ∫ e(t)dt + τD * de(t)/dt]

Where e(t) is the error (SP - PV). The simulation solves these equations over time using a discrete numerical method.

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