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Yifeng Tang

MathWorks

Last seen: 4 jours il y a |  Actif depuis 2020

Programming Languages:
MATLAB
Spoken Languages:
Mandarin
Pronouns:
He/him
Professional Interests:
Physical Modeling, Simscape Fluids, Simscape, Heat and Mass Transfer, Thermodynamics and Heat Transfer

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  • Personal Best Downloads Level 1
  • 6 Month Streak
  • First Submission
  • GitHub Submissions Level 1
  • Knowledgeable Level 4
  • Revival Level 3
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A répondu
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...

4 jours il y a | 0

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In a Simscape Fluids/Hydraulic/IL centrifugal pump model, why is the flow higher after narrow pipe than directly after the pump?
In the Isothermal Liquid domain, the density of the fluid is a function of the pressure. See this documentation page: https://w...

18 jours il y a | 1

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How can I mode the refrigeration cycle considering frosting in the evaporator in simscape
Hi Shuping, You are correct about the condensed water being removed right away (like magic) from the MA domain. Therefore, no ...

20 jours il y a | 0

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Modelling a layer of water crossed by a water circulation.
Hi Lucas, Check out the attached modified .ssc file and a simple test harness. I keep most of the equations from constant volu...

22 jours il y a | 0

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problem with ssc_build to generate custom simscape library
The input to the ssc_build command should be the directory name, instead of the .ssc file name. The directory can contain multi...

26 jours il y a | 0

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Two-Phase Cascade Heat Exchanger
Suggestion: check the parameters you've set for the heat exchanger, source, and reservoir blocks. Pay special attention to the ...

environ un mois il y a | 0

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Modelling a layer of water crossed by a water circulation.
For the thermal liquid and almost all other fluids domains, you'll see a "port_convection" connection in the component block. C...

environ un mois il y a | 0

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variation of liquid and gas over time and the pressure variation inside a tank
The two absoluate reference block I believe will enforce the temperature and pressure to be 0K and 0Pa, respectively. Use Cap i...

environ un mois il y a | 0

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Increase power compressor 2 phases simscape
Scale up the mass flow lookup table inside the compressor map block. You will then get more flow for the same RPM and pressure ...

environ 2 mois il y a | 0

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Can T-Junction (IL) be used to merge 2 pipe flows?
Yes, sure, although it's not necessary if you just want to merge two flows. You may just connect both B ports to the next compo...

environ 2 mois il y a | 0

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Calculating Work done by a Closed Cylinder in Simulink and Simscape
You mentioned that you are using Simscape for the simulation of the cylinder. If that is indeed the case, I believe it would be...

2 mois il y a | 0

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What causes the pressure to be different in the shown figure when I use flow divider which must be dividing the flow equally?
The pressure sensor is an across variable sensor and no flow will go through the block. So your motor isn't getting any fluid t...

2 mois il y a | 0

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Which blocks could I use to model a hydraulic turbine in Simscape?
Some ideas: This hydraulic motor may be useful, though I suspect the shape of its performance curve may not be like that of a t...

3 mois il y a | 0

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TL pressure Keep descending until the error is reported below the minimum effective value in matlab "official example of heat pump"
It's a model problem, in my opinion, meaning some important feature is missing from the model. In this case, some type of tank ...

3 mois il y a | 0

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Does simscape two-phase element "2P pipe" allows constant temperature , constant pressure and constant mass flow rate as inputs?
The source block is only responsible of driving a flow. The states, temperature and/or pressure, are set mainly by the conditio...

4 mois il y a | 0

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Pump system Thermal Liquid Modeling for Liquid Cooling
I noticed that the sensors in the model appear to be placed incorrectly. For through variable (flowrate, current, heat flux) ...

4 mois il y a | 0

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Hydraulic Actuators in Series
There is a setting in the converter block about whether pressure in the volume causes the R port to move in positive or negative...

4 mois il y a | 0

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Blower modeling in Simscape
In both the Gas and Moist Air domains, there is a Fan block you may try to use to model a blower. If Gas domain is sufficient f...

4 mois il y a | 0

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Create a blockage in a pipe and simulate in Simulink
HI Adeyemi, The easiest thing to do is to use a Variable Local Restriction and closes it when you want the blockage to occur. ...

4 mois il y a | 0

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positive displacement compressor (G) for simulating roots blower
Looks like this positive displacement compressor would be the right choice. A roots-type blower indeed works by trapping a fixe...

4 mois il y a | 0

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SimScape Tank (G-TL) - Liquid below inlet height error
This error is saying your liquid level is too low. Since it happened after the simulation has run for 22 secs, either too much ...

5 mois il y a | 0

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Variable 3-way Proportional Control Valve flow rate and pressure drop
I would recommend using the parameter estimation workflow. You'll like need the Optimization Toolbox and the Simulink Design Op...

5 mois il y a | 0

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How to use Temperature control valve (TL) in Simscape properly?
I saw mass flow rate sources in your model right before the control valve. The source will force the prescribed amount of flow ...

5 mois il y a | 0

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how can i install seawater properties inside two phase-fluid properties ? simscape
If you have access to Simscape Fluids, an add-on library for Simscape, there is a Thermal Liquid Properties (TL) block, where se...

5 mois il y a | 0

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Using a centrifugal pump in a two-phase (2P) fluid in Simscape
It's possible to build a model for CP to reproduce much of its behavior. If you can build a 2D table from reference data for th...

5 mois il y a | 0

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Where would I find properties of steam, to use in the gas properties block in simscape?
I would assume you are using the Gas domain to model your system and try to use different Gas Property block to switch the worki...

5 mois il y a | 0

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Simscape gas pipe acoustics
You are probably right that you'll need the gas inertia modeled to capture the quick oscillation of pressure as the results of s...

5 mois il y a | 0

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Modeling of a system with mixture of two gases on Simscape
You may use the Moist Air (MA) domain and set the properties to the gases you'd like to mix. If either species may condense, yo...

5 mois il y a | 1

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How to simulate the conductive heat transfer due to the pipe wall thickness using the Pipe (TL) block from the Simscape Fluids library?
You are VERY close. Try either of the following, depending on what type of heat source your have:

5 mois il y a | 0

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Nonconservation of energy when using system-level heat exchanger
I downloaded the model and noticed the flowrate on the right is very large. As you are still using the default port size (0.01m...

5 mois il y a | 0

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