Mass & Energy Flow Rate Sensor (TL)

Measure mass and energy flow rates


Thermal Liquid/Sensors


The Mass & Energy Flow Rate Sensor (TL) block represents an ideal sensor that measures mass and energy flow rates through a thermal liquid node. Because the flow rates are Through variables, the block must connect in series with the component being measured.

The relative orientation of ports A and B establishes the measurement sign. The sign is positive if flow occurs from port A to port B. Switching port connections reverses the measurement sign.

Two physical signal ports output the measurement data. Port M outputs the mass flow rate. Port Phi outputs the thermal energy flow rate. Connect the ports to PS-Simulink Converter blocks to transform the output physical signals into Simulink® signals, e.g., for plotting or additional data processing.

Assumptions and Limitations

  • Sensor inertia is negligible.


The block has the following ports.

A, BThermal liquid conserving ports
MPhysical signal output port for mass flow rate measurement
PhiPhysical signal output port for energy flow rate measurement

Introduced in R2016a

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