已回答
On what basis do you vary the Laminar Pressure Ratio parameter in the Local Restriction (MA) block in Simscape?
I've adjusted this parameter to match the shape of a deltaP-Q curve over an orifice inside a valve. But 99% of the time, I didn...

9 months 前 | 0

已回答
How can I assamble n identical blocks in a simscape simulation automathically?
In addition to @Fangjun Jiang's suggestion on add_block(), I would encourage you to also look into the "composite component" opt...

9 months 前 | 1

已回答
Error Temperature of liquid volume must be less than or equal to Maximum valid temperature
Hi Johannes, I took a look at your model. Two minor things, both in the pump subsystem, I'd suggest that you change: the unit...

9 months 前 | 0

已回答
I want to use a solenoid valve to achieve two-phase flow on/off
First, you'll almost never see a valve block to be complete "off" in a model. You'll always see a minimum area or flow fraction...

9 months 前 | 0

已提交


Intro-Examples-for-Simscape-CN
Model and scripts from video series on Simcape physical modeling

10 months 前 | 25 次下载 |

已回答
Problems with the "System-Level Heat Exchanger (TL-MA)" Simscape block
Starting from "nominal temperatures and rate of heat transfer" means at time of 0, the fluids inside the volume will have the pr...

12 months 前 | 0

已回答
How do I take the translation output from one hydraulic cylinder rod and give it as an input to another so that it can act as a reciprocating pump in SIMHYDRAULICS?
I believe you have one of the hydraulic cylinder backwards. The left-right on the canvas doesn't indicate positive or negative ...

12 months 前 | 1

| 已接受

已回答
Reciever Accumulator in Simscape inlet Liquid and Vapour problem
It doesn't matter what state/mixture goes INTO the receiver from which port; the block will get what's coming in. When the flui...

1 year 前 | 0

| 已接受

已回答
2P-2P Heat Exchanger
A few thoughts: (1) maybe use a system-level heat exchanger (2P-2P) as a starting point, so you have a model that you can simul...

1 year 前 | 0

| 已接受

已回答
Simcape real gas properties for N and H2
Coolprop is free. They also have MATLAB wrapper.

1 year 前 | 0

已回答
Brazed plate heat exchanger on Simscape
I would recommend the following combination of options: The key is to choose "generic" for tube section, so you can set th...

1 year 前 | 2

| 已接受

已回答
two-phase flow 4-way valve
You may follow this example on how to make a N-way valve manually. https://www.mathworks.com/help/simscape/ug/hydraulic-actuato...

1 year 前 | 0

已回答
Simscape how to set up a multi-process evaporator or condenser
The architecture looks right: refrigerant in series and air flow in parallel, like the actual heat exchanger. A few things to p...

1 year 前 | 0

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已回答
How to model tanks with inlets above liquid level - partially filled pipes missunderstood?
You can find here two examples on how to use a tank block and a partially filled pipe together in an isothermal liquid model. T...

1 year 前 | 0

| 已接受

已回答
Binary Mixtures using coolprop in Matlab
Looks like you can use the MATLAB wrapper for Coolprop to define a mixture and query the properties, like below: py.CoolProp.Co...

1 year 前 | 1

已回答
How to plot pump and system curve based on the hydraulic model in Simscape / Simulink?
To summarize the discussion from the comments section: The pump curves can be generated from the pump blocks in Simscape Fluids...

1 year 前 | 0

已回答
Connection between corrected mass flow and pressure ratio in the Turbine (G) Block
Summary from the discussion in the Comments section. While the formulation isn't given in the Documentation page of the Turbine...

1 year 前 | 0

已回答
Definition of Reynolds number for MA side in Heat Exchanger (2P-MA) model
I checked the source code: for generic geometry, the hydraulic diameter is calculated as 4 * generic_fluid_volume / generic_he...

1 year 前 | 0

已回答
Heat Pump Air Conditioner
Hello, I would suggest that you take a close look at this Documentation page "Model a Refrigeration Cycle" https://www.mathwor...

1 year 前 | 0

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已回答
Two-phase exchanger with evaporator that loses pressure at the outlet.
Check out this documentation page and carefully follow the workflow. https://www.mathworks.com/help/hydro/ug/modeling-a-refrige...

1 year 前 | 1

已回答
Implementation of two-phase liquid out of REFPROP into simscape
In the same Documentation page, there is an example of using the same command to assign the properties to a Two-Phase Fluid Prop...

1 year 前 | 0

| 已接受

已回答
How can I solve the error generated by a T-Junction when there is a Parallel Channels block in my simscape fluid model?
Hi Miguel, In the model you shared, the T-junction has the default initial flow target of 0 at all ports and "high" priority. ...

1 year 前 | 2

已回答
Data center Simscape modelling
There is a shipping example on data center cooling, in R2023a. https://www.mathworks.com/help/hydro/ug/data-center-cooling.html...

1 year 前 | 1

已回答
Fin Surface Area Condenser-Evaporator (2P-MA) Simscape Fluids
In the parameter dialog, the fin area for the MA side are for those thin foil/sheet you see on the outside of the tubes. The wa...

1 year 前 | 1

| 已接受

已回答
Cooling system whit Ammonia not run
Hi Francesco, We believe the error has to do with the fact that NH3 has a non-monotonic supercritical line. It needs to be fix...

1 year 前 | 0

已回答
Error using System-Level Refrigeration Cycle (2P)
Hi Carlo, We believe the error has to do with the fact that NH3 has a non-monotonic supercritical line. It needs to be fixed i...

1 year 前 | 0

已回答
Simscape two-phase fluid in closed accumulator looses pressure
Hi Patrick, I believe what you are seeing is the result of the "upwind energy scheme" implemented at all ports of thermo-fluids...

1 year 前 | 1

| 已接受

已回答
how mixing pressure Pm is calculated in gas ejector model of Matlab
This pm term is EVERYWHERE in the governing equations of the ejector. It's solved for implicitly to keep the system of equation...

1 year 前 | 1

已回答
How to model actuator ports in Simscape fluids?
I'd encourage you to think more about the "effect" of a port in the actual system, instead of just having the actually values of...

1 year 前 | 0

已回答
issues on Heat exchanger in simscape TL-MA
Setting reasonable parameters to discribe the nominal conditions for the heat exchanger seem to resolve the issue. Pay particul...

1 year 前 | 0

| 已接受

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