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  • Open Access

    ARTICLE

    First and Second Law Analysis of a LiBr-Water Absorption Cycle with Recovering Condensation Heat for Generation

    J. L. Rodríguez-Muñoz1,*, J. S. Pacheco-Cedeño1,*, J. F. Ituna-Yudonago2, J. J. Ramírez-Minguela3, I. J. González-Hernández4

    Frontiers in Heat and Mass Transfer, Vol.22, No.6, pp. 1719-1741, 2024, DOI:10.32604/fhmt.2024.057924 - 19 December 2024

    Abstract In conventional absorption refrigeration systems (ARS), the heat from the condenser is usually rejected by the environment in place to be used in the system, so recuperating this is a good alternative to enhance the system’s performance. For instance, in this paper, an alternative ARS in which LiBr/Water is used as a refrigerant mixture, where part of condensing heat is recovered via the solution heat recovery generator absorption cycle (HR-ARS) was energy and exergy evaluated. The influence of generator, condenser and evaporator temperatures, as well as the efficiency of the solution heat exchanger on the coefficient of… More > Graphic Abstract

    First and Second Law Analysis of a LiBr-Water Absorption Cycle with Recovering Condensation Heat for Generation

  • Open Access

    ARTICLE

    Energy and Exergy Analysis of Pyramid-Type Solar Still Coupled with Magnetic and Electrical Effects by Using Matlab Simulation

    Karrar A. Hammoodi1,*, Hayder A. Dhahad2, Wissam H. Alawee3, Z. M. Omara4

    Frontiers in Heat and Mass Transfer, Vol.22, No.1, pp. 217-262, 2024, DOI:10.32604/fhmt.2024.047329 - 21 March 2024

    Abstract In the face of an escalating global water crisis, countries worldwide grapple with the crippling effects of scarcity, jeopardizing economic progress and hindering societal advancement. Solar energy emerges as a beacon of hope, offering a sustainable and environmentally friendly solution to desalination. Solar distillation technology, harnessing the power of the sun, transforms seawater into freshwater, expanding the availability of this precious resource. Optimizing solar still performance under specific climatic conditions and evaluating different configurations is crucial for practical implementation and widespread adoption of solar energy. In this study, we conducted theoretical investigations on three distinct… More > Graphic Abstract

    Energy and Exergy Analysis of Pyramid-Type Solar Still Coupled with Magnetic and Electrical Effects by Using Matlab Simulation

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