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Radiation-entropy generation by leaf and negentropy build-up of plant as dissipative structure
Shripad P Mahulikar1,2, Pallavi Rastogi3, Aitor Erkoreka4
1Departamento de Ingeniería Energética, Escuela de Ingeniería de Bilbao, University of the Basque Country (EHU), Plaza Torres Quevedo 1, San Mamés, 48013, Bilbao, Pais Vasco, Spain. shripadprabhakar.mahulikar@ehu.eus.
Abstract:
Photosynthesis is a simple reaction for any plant, but it has not been achieved artificially due to the difficulty in radiation entropy production by processing PAR (photosynthetically active radiation). In this study, a plant is shown to be a self-organising dissipative structure; since, it's leaf generates radiation entropy for the existence of plant with possible growth. Entropy-energy ratio (sE) of PAR released after processing (sE,rel) much exceeds sE of light absorbed, sE,in (< < sE,rel). Plant builds its negentropy by the difference, , but only a part of this difference can be the source of free energy as plant-growth. The remaining part of is dissipated as the excess payment of negentropy debt, towards mandatory 2nd Law compliance. Change from low sE,in to high sE,rel by the plant-leaf is amplified by a huge factor, c2, while determining ; where, c is the speed of light. Therefore, even a small increase in sE,rel and small reduction in sE,in can significantly increase . Thermodynamic performance of photosynthesis depends on the processing level of PAR, , , and is limited by the maximum photosynthetic efficiency in PAR, (it increases with ).
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