.TransiEnt.Storage.Heat.PackedBedStorage_L4.Basics.PackedBedControlVolume_L4

Information

1. Purpose of model

The model describes an axial-flow packed bed used for thermal energy storage. Gaseous heat transfer fluid and solid media storage material are generally assumed. It has been validated with air as heat transfer fluid and natural rock as storage material. Main focus is the

2. Level of detail, physical effects considered, and physical insight


3. Limits of validity


4. Interfaces

  1. Hot Air Inlet/Outlet
  2. Cold Air Inlet/Outlet


5. Nomenclature

(no remarks)

6. Governing Equations

(no remarks)

7. Remarks for Usage

8. Validation

The model is validated with two experimental setup of Siemens Gamesa Renewable Energy in Hamburg-Altenwerder (6 MWh_th) and -Bergedorf (130 MWh_th), Germany.

9. References

Abschlussbericht zum Teilprojekt der TUHH im Verbundforschungsprojekt Future Energy Solution (FES) (BMWI 03ET6072C) (2021)

Electric Thermal Energy Storage based on Packed Beds for Renewable Energy Integration, Dissertation, Hamburg University of Technology, Michael von der Heyde (2021)

10. Version History

First Version in 04.2020 for the research project Future Energy Solution (FES) by Michael von der Heyde (heyde@tuhh.de)

Contents

NameDescription
 Summary
 medium_rockMedium of storage material
 PressureLossCorrelation for packed-bed pressure loss
 HeatTransferPB2WallCorrelation for heat transfer from packed bed to wall
 HeatTransferPB2AirCorrelation for heat transfer from packed bed to air
 ThermalConductivityCorrelation for packed bed effeective thermal conductivity
 GeometryGeometry

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