www.cranfield.ac.uk Design Specification of Pilot Scale 142 kWth Air/Rock Thermocline Thermal Energy Storage Solution For The CSP Power Block Cooling Process Alghamdi A, Abudukka, I, Aurousseau T, Huang Z, Hernandez J. Introduction The main purpose of this project is to design the specifications of a cold energy rocks storage for 142 kWth with the same rocks conditions as a real plant. This device is a potential addition to any cooling system of a CSP plant as it’s part of the WASCOP (Water Saving for Concentrated Solar Power) project. Structural Design The prototype has been built in a box shape, where the inlet airflow is located in the bottom of the structure. The design and arrangement of gabions were made for best convection between the rocks and the air. Supervisor: Dr. Kumar Patchigolla. Thermal Model Cold energy will be stored during the night within the rocks in a packed bed and released during the day to cool down condenser. A fan will be used during days and nights to force air into the system. It is very important to be able to properly predict the temperature profile within the packed bed since it enables to optimize the charging time during the night and the outlet temperature of cooled air during operations. Thus, it enables us to evaluate energy savings. Overview Layout P&ID
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www.cranfield.ac.uk
Design Specification of Pilot Scale 142 kWth Air/Rock Thermocline Thermal Energy Storage Solution For The CSP Power Block Cooling Process
Alghamdi A, Abudukka, I, Aurousseau T, Huang Z, Hernandez J.
Introduction
The main purpose of this project is to design the specifications of a cold energy rocks storagefor 142 kWth with the same rocks conditions as a real plant. This device is a potential additionto any cooling system of a CSP plant as it’s part of the WASCOP (Water Saving forConcentrated Solar Power) project.
Structural Design
The prototype has been built in a boxshape, where the inlet airflow is located inthe bottom of the structure. The design andarrangement of gabions were made for bestconvection between the rocks and the air.
Supervisor: Dr. Kumar Patchigolla.
Thermal Model
Cold energy will be stored during the night withinthe rocks in a packed bed and released duringthe day to cool down condenser. A fan will beused during days and nights to force air into thesystem. It is very important to be able to properlypredict the temperature profile within thepacked bed since it enables to optimize thecharging time during the night and the outlettemperature of cooled air during operations.Thus, it enables us to evaluate energy savings.
Overview Layout P&ID
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