• Title/Summary/Keyword: Fresh water generator (FWG)

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Development of the Fresh Water Generator

  • Park, Jun-Seop
    • Journal of Energy Engineering
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    • v.8 no.4
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    • pp.546-552
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    • 1999
  • In order to obtain the highly effective thermal energy from jacket cooling water of propulsion diesel engines. a development of the Fresh Water Generator (FWG) with a capacity of 30 ton/day was implemented. Newly developed experimental devices and data acquisition system were used to evaluate the performance of the FWG. In this study experiments were performed for various driving pressures by varying the mass flowrate of cooling seawater with or without a heat source instead of jacket cooling water.

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Modeling of Steam Injection Heater for Fresh Water Generator (조수기용 증기분사 열교환기에 대한 모델링)

  • Hong, Cheol-Hyun;Lee, Euk-Soo
    • Journal of Advanced Marine Engineering and Technology
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    • v.32 no.6
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    • pp.877-885
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    • 2008
  • Steam injection heater is the most widely used method for fresh water generator throughout industry. This method is often chosen because of its simplicity. The steam bubbles condense and give up their heat to the surrounding liquid. Experimental study on steam injection heater has been performed in order to find the effect of major parameter. And conservation equation and Bernoulli obstruction theory are used for numerical simulation model of vapor flow-rate. Qualitative comparisons between simulations and measurements show a good agreement and the simulation models are thereby verified.