Mass & Energy Flow Rate Sensor (TL)

Measure mass and energy flow rates

• Library:

• Simscape / Foundation Library / Thermal Liquid / Sensors

• 

Description

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 energy flow rate. Connect the ports to PS-Simulink Converter blocks to transform the output physical signals into Simulink^® signals, for example, for plotting or additional data processing.

Ports

Output

M — Mass flow rate measurement, kg/s

physical signal

Physical signal output port for mass flow rate measurement.

Phi — Energy flow rate measurement, W

physical signal

Physical signal output port for energy flow rate measurement.

Conserving

A — Sensor inlet

thermal liquid

Thermal liquid conserving port. Mass and energy flow rates are positive if fluid flows from port A to port B.

B — Sensor outlet

thermal liquid

Thermal liquid conserving port. Mass and energy flow rates are positive if fluid flows from port A to port B.

Model Examples

Water Hammer Effect

Model shows how the Thermal Liquid foundation library can be used to model water hammer in a long pipe. After slowly establishing a steady flow within the pipe by opening a valve accordingly, the same valve is shut within a few milliseconds. This triggers a water hammer effect. The valve is modeled using a Variable Local Restriction (TL) block and the pipe is divided into four segments using the Pipe (TL) block. Breaking the pipe into more segments increases fidelity at the expense of simulation performance.

Open Model

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using Simulink® Coder™.

Version History

Introduced in R2016a