Co-Simulation Between ESP-r and TRNSYS Workshop

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Co-simulation WorkshopExercise: ESP-r Plant Network SetupMay 22 nd , 2013Part 2: ESP-r Plant NetworkThis section guides you through the setup of a simple hydronic heating system in ESP-r . A radiator is modeled inESP-r and is supplied by a hot water stream in TRNSYS. A visual representation of this network is providedbelow.HydronicReceivingComponentabHydronicSendingComponent
Part 2: ESP-r Plant Network Cont’dSection A: Define Components and Connections1. Launch ESP-r.2. Under Model Selection click open existing then select other.3. Under Folders double click C:\, then Cosim_demo\, then cfg\. Under files, select Cosim_demo.cfg4. A window will pop up warning you that files are out of date. Select default(yes).5. Once the model has loaded navigate to Current model in the right side pane and selectbrowse/edit/simulate.6. You will see that 3 zones have been defined, but there are no controls or networks. Click on plant & systemsunder Network.7. Select Explicit since were are going to model individual components of the plant network. ESP-r will informyou that there is currently no network. Select yes to create one.8. Accept the default name for the plant network file name, then select yes to proceed with network definition.9. ESP-r will now ask you to point to the plant component databases. Use the default network that is provided:
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Response Factor Method(Stephenson &
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Heat transfer (W)200018001600140012
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Co-simulation12
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“Internal” Coupling (≠ Co-Sim
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Source: Yuxiang Chen, A.K. Athienit
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No single BPS tool offers sufficien
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TRNSYS Methodologies• TRNSYS meth
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TRNSYS philosophyParametersInputsCo
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What’s in a component?Example: au
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TRNSYS solution methodology26
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Calling sequence for a standard Typ
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Conclusions• TRNSYS components ar
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ESP-r’s partitioned solution appr
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Relevant Heat and Mass Transfer Pro
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Form Heat Balances for Each CV:Intr
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Fully explicit form of discretized
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Crank-Nicholson difference formulat
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Plant Network
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CV Energy Balances
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a1,1 T1 z1a 2,2T 2z 2 a3,3 T 3
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Initiatetime-stepsimulationMZNUMA(S
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Design Approach• Middleware:• C
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timeESP-rBuilding domainPlant domai
Page 60 and 61: a1,1 T1 z1a 2,2T 2z 2 a3,3 T 3
Page 62 and 63: TRNSYS philosophy applied tocosimul
Page 64 and 65: Type 130 Inputs / OutputsINPUTSTYPE
Page 66 and 67: Type 130 and convergence• TRNSYS
Page 68: Does it work ?68
Page 72 and 73: E172
Page 74: E374
Page 80: Case study• Low-energy house:•
Page 93 and 94: Configuring a co-simulation :Demons
Page 95 and 96: Type 130DemoACC-RZonedataACC-SZone
Page 97 and 98: TRNSYS Project97
Page 99 and 100: Starting point• Launch Simulation
Page 101 and 102: Configure link to ESP-r (Type 130)
Page 103 and 104: Add components for hydronic loop•
Page 105 and 106: Define the hydronic loop• Use Lin
Page 107 and 108: Add outputs to online plotter• Do
Page 109: Prepare the input file for cosimula
Page 113 and 114: Part 2: ESP-r Plant Network Cont’
Page 115 and 116: Part 2: ESP-r Plant Network Cont’
Page 117: Conclusions• ESP-r / TRNSYS co-si
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Co-Simulation Between ESP-r and TRNSYS Workshop

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