Amongst all the possible combinations between shapes and heat enhancement techniques for LHTES systems,
the compact finned flat plate configuration was chosen, which from now on will be referred to as finned plate
technology. This technology presents the next advantages:
x It is based on compact flat plate he at exchangers, which is regarded as the most effective heat exchanger
technology.
x The manufacturing process is simple, due to the fact that only straight surfaces are employed.
x By the definition of single plates, it presents high modularity.
x It presents a high surface to volume ratio, which allows getting significant storage and release powers.
x The whole LHTES system shows a rectangular shape, which makes its space integration easy.
The system is based on the definition of the single finned plate presented in Fig. 1 where a cut has been made in
order to show the inner finned structure. The aim of the finned structure is to enhance the heat transfer between the
HTF and the PCM.
Amongst all the possible combinations between shapes and heat enhancement techniques for LHTES systems,
the compact finned flat plate configuration was chosen, which from now on will be referred to as finned plate
technology. This technology presents the next advantages:
x It is based on compact flat plate he at exchangers, which is regarded as the most effective heat exchanger
technology.
x The manufacturing process is simple, due to the fact that only straight surfaces are employed.
x By the definition of single plates, it presents high modularity.
x It presents a high surface to volume ratio, which allows getting significant storage and release powers.
x The whole LHTES system shows a rectangular shape, which makes its space integration easy.
The system is based on the definition of the single finned plate presented in Fig. 1 where a cut has been made in
order to show the inner finned structure. The aim of the finned structure is to enhance the heat transfer between the
HTF and the PCM.
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