of 2

Okati et al

Description
desalination
Transcript
  Okati et al., [1] Syed et al., [1] presented an experimental and thermodynamic analysis of the energetic performance of two HDH cycles. They found that, the theoretical model which used open-air open-water (OAOW) cycle and the modified closed-water open-air (CWOA) cycle is found to be in a good agreement with the experimental data with a maximum percentage deviation of 5% from the experimental data. Syed et al. presented an experimental and thermodynamic analysis of the energy characteristics of two HDH cycles. They found that the theoretical model using the open-air open-water cycle (OAOW) and the modified closed-water open-air cycle (CWOA) is in good agreement with the experimental data with a maximum percentage deviation of 5% of the experimental data. Syed M. Zubair, Mohamed A. Antar, Samih M. Elmutasim, Dahiru U. Lawa, Performance evaluation of humidification - dehumidification (HDH)  desalination systems with and without heat recovery options: Anexperimental and theoretical investigation, Desalination 436 (2018) 161  – 175. Dahiru et al., developed a Humidification dehumidification desalination system powered by a heat-pump. They also proposed a Mathematical model based on mass and energy balance for combined system using closed-air open-water water-heated, and modified air-heated cycles. They obtained a Maximum GOR of 8.88 at 80% effectiveness for air heated and water heated cycles. Dahiru Lawal, Mohammed Antar, Atia Khalifa, Syed Zubair, Fahad Al-Sulaiman, Humidification dehumidification desalination system operated by a heat pump, Energy Conversion and Management Volume 161 (2018) 128-140. Farsad and Behzadmeh has done a numerical investigation on humidification  – dehumidification cycle by solving Mass and energy balance equations for the cycle components. They concluded that the mass flow rate and temperature of feed water, inlet air as well as the condenser characteristic parameter, and the total heat flux have significant effect on the cycle performance. Farsad and Behzadma conducted a numerical study of the humidification-drying cycle by solving the equations of mass and energy balance for the components of the cycle. They came to the conclusion that the mass flow and temperature of the feed water, the inlet air, as well as the characteristic parameter of the condenser and the total heat flux, have a significant effect on the characteristics of the cycle. Desalination Farsad and Behzadma, “ Numerican analysis of an integrated desalination unit using humidification-dehumidification and subsurface condensation processes ,” Desalination , Vol. 433, 172-185, 1 May 2018. Author links open overlay panelV.OkatiabcS.FarsaddeA.Behzadmehra  SEAWATER FROM HEATER T sw,3 , m sw BRINE T  b , m  b  HUMIDIFIED AIR T a,2 , m da  , Ꞷ a2, ϕ 2  DEHUMIDIFIED AIR INLET T a,1 , m da , Ꞷ a1, ϕ 1 HUMIDIFIED AIR INLET T a,2 , m da , Ꞷ a,2 , ϕ 2  DEHUMIDIFIED AIR INLET T a,1 , m da , ϕ 1 SEA WATER TO HEATER T sw,3 , m sw SEA WATER INLET T sw,1 , m sw HEATED SEA WATER OUT T sw,3 , m sw  PRE HEATED WATER IN T sw,2 , m sw
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