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Theoretical and numerical modelling of sorption compressor system in a heat pump

Boro, Asutosh (2020) Theoretical and numerical modelling of sorption compressor system in a heat pump.

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Embargo date:9 November 2025
Abstract:The present research focuses on developing a theoretical and numerical model to investigate the adsorption/desorption process in an adsorption/desorption compressor. The model’s goal is to provide a detailed insight into the phenomena such that optimization of the process is possible. The model is based on activated carbon-ammonia pair. The porous structure is investigated first,then the key phenomena of fluid flow in pores, energy transfer and kinetics of adsorption are discussed. The governing physical equations are then reviewed and derived. Darcy flow is set for the flow inside porous media and a Local-Thermal Equilibrium model is used for the temperature field. Non-equilibrium model for rate equation is chosen as it has more dynamic details. Then, the actual geometry of activated carbon is converted to a numerical domain to represent the carbon and ammonia. Two form of rate equations are chosen for simulation and results are compared with 20-sim model to obtain the rate constants. A suitable form of rate equation is then chosen for a full-scale model demonstration.The final model allows for a more detailed investigation of the interacting phenomena and improved insight into the process
Item Type:Essay (Master)
Clients:
Cooll Energies B.V, Enschede, Netherlands
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
Link to this item:http://purl.utwente.nl/essays/85108
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