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Author:Mohammad Ali Fazilati , Ahmad Sedaghat , Ali-Akbar Alemrajabi
Data Source:[J].Heat and Mass Transfer(IF 0.84), 2017, Vol.53 (7), pp.2287-2296Springer
Abstract:In this paper, transient performance of the previously introduced natural convection heat and mass transfer loop is investigated for an air dehumidifier system. The performance of the loop is studied in different conditions of heat source/heat sink temperature and different start...
Author:Ahmad Sedaghat , Iman Samani ...
Data Source:[J].Energy(IF 3.651), 2015, Vol.91, pp.393-403Elsevier
Abstract:Abstract(#br)In most efficient aerofoil sections used in wind turbine blades, the maximum lift to drag ratio hardly reaches 200. Our research obtained higher lift by employing the Magnus effect obtained by circulating symmetrical geometries. First the research study reviews ...
Author:Ahmad Sedaghat , M. El Haj Assad , Mohamed Gaith
Data Source:[J].Energy(IF 3.651), 2014, Vol.77, pp.752-759Elsevier
Abstract:Abstract(#br)For conventional HAWT (horizontal axis wind turbines), the rotor speed is maintained constant while the blade tip speed changes continuously. This reduces considerably the power performance of the wind turbine particularly at high wind speeds where the tip speed rati...
Author:... Mahdi Nili-Ahmadabadi , Ahmad Sedaghat , Mohsen Saghafian
Data Source:[J].Energy(IF 3.651), 2016, Vol.104, pp.1-15Elsevier
Abstract:Abstract(#br)The lift to drag ratio is the most determining factor in power efficiency of wind conversion systems such as wind turbines. The lift to drag ratio can be enhanced considerably using circulating airfoil shapes. In this research, the NACA0021 airfoil is modified a...
Author:Mohammad Ali Fazilati , Ali Akbar Alemrajabi , Ahmad Sedaghat
Data Source:[J].Applied Thermal Engineering(IF 2.127), 2017, Vol.115, pp.305-314Elsevier
Abstract:Abstract(#br)After introducing the concept of natural convection air dehumidifier system and establishing the feasibility of eliminating desiccant pump, this study aims to approve the application of natural liquid desiccant as an air conditioning system in real working condi...
Author:... Ali Mostafaeipour , Sudheer Ch , Ahmad Sedaghat
Data Source:[J].Climate Dynamics(IF 4.231), 2019, Vol.53 (3-4), pp.2483-2483Springer
Abstract:The Editors have retracted this article because validity of the content of this article cannot be verified.
Author:... Ali Mostafaeipour , Sudheer Ch , Ahmad Sedaghat
Data Source:[J].Climate Dynamics(IF 4.231), 2019, Vol.53 (5-6), pp.3709-3709Springer
Abstract:Editors have retracted this article because validity of the content of this article cannot be verified.
Author:Ahmad Sedaghat
Data Source:[J].Renewable Energy(IF 2.989), 2014, Vol.62, pp.619-628Elsevier
Abstract:Abstract(#br)One of attracting concepts has been the use of Magnus effect to produce lift from rotating cylinders in various engineering applications. With emerging innovative Magnus type wind turbine technology, it is important to determine power performance and characteristics ...
Author:Seyed Navid Roohani Isfahani , Ahmad Sedaghat
Data Source:[J].International Journal of Hydrogen Energy(IF 3.548), 2016, Vol.41 (22), pp.9490-9499Elsevier
Abstract:Abstract(#br)Policies in both industrialized and developing countries are modifying to reach a better perspective of utilizing renewable energies. Besides, methods that could combine traditional power generation plants with energy conversion efficient technologies are mostly enco...
Author:Omid Alavi , Ahmad Sedaghat , Ali Mostafaeipour
Data Source:[J].Energy Conversion and Management(IF 2.775), 2016, Vol.120, pp.51-61Elsevier
Abstract:Abstract(#br)Accuracy of wind speed data has important impact on determining wind power output from a wind turbine. There are many researches on four widely used wind speed distribution models described by gamma, lognormal, Rayleigh and Weibull for assessing wind potentials. Howe...

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