Browsing by Author "fb29792e-d605-4215-ac5b-0d1608584f03"
Now showing items 21-34 of 34
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Investigation of an integrated hydrogen production system based on nuclear and renewable energy sources: a new approach for sustainable hydrogen production via copper-chlorine thermochemical cycles
Orhan, Mehmet Fatih; Dincer, Ibrahim; Rosen, Marc A. (2011-10)Hydrogen production via thermochemical water decomposition is a potential process for direct utilization of nuclear thermal energy to increase efficiency and thereby facilitate energy savings. Thermochemical water splitting ... -
Investigation of an integrated hydrogen production system based on nuclear and renewable energy sources: a new approach for sustainable hydrogen production via copper–chlorine thermochemical cycles
Orhan, Mehmet Fatih; Dincer, Ibrahim; Rosen, Marc (Wiley, 2011)Hydrogen production via thermochemical water decomposition is a potential process for direct utilization of nuclear thermal energy to increase efficiency and thereby facilitate energy savings. Thermochemical water splitting ... -
Investigation of an integrated hydrogen production system based on nuclear and renewable energy sources: Comparative evaluation of hydrogen production options with a regenerative fuel cell system
Orhan, Mehmet Fatih; Babu, Binish Sam (2015-08)Hydrogen has risen as a sustainable and efficient energy carrier option in reducing environmental pollution, and is seen as a potential solution for the current energy crisis. Hydrogen production via water decomposition ... -
Melting performance of a composite bio-based phase change material: An experimental evaluation of copper foam pore size
Sheikh Mohammed, Yahya; Orhan, Mehmet Fatih; Azmeer, Ahmed (Elsevier, 2022)This paper presents an experimental study on the thermal performance of a composite heat sink consisting of a bio-based phase change material and copper foam. The experiments are carried out at three different heat loads ... -
Numerical Analysis of Film Cooling Shield Formed by Confined Jet Discharging on a Flat Plate
Al-Hemyari, Mohammed; Hamdan, Mohammad; Orhan, Mehmet Fatih (International Information and Engineering Technology Association, 2019)The effects of centrifugal force and thermal conductivity on the effectiveness of a film cooling shield are investigated in this study. A confined jet with 90 degree angle is used, to inject cooling fluid into hot steam, ... -
Numerical and sensitivity analyses of various design parameters to maximize performance of a Vortex Tube
Al Saghir, Ahmad Mohammad; Hamdan, Mohammad; Orhan, Mehmet Fatih; Awad, Mahmoud (Elsevier, 2022)In this study, a series of numerical simulations are performed to investigate the performance of a vortex tube (VT) with various design parameters. The study focuses on six design parameters, mainly, inlet pressure, VT ... -
Optimization of a Confined Jet Geometry to Improve Film Cooling Performance Using Response Surface Methodology (RSM)
Al-Hemyari, Mohammed; Hamdan, Mohammad; Orhan, Mehmet Fatih (MDPI, 2020)This study investigates the interrelated parameters affecting heat transfer from a hot gas flowing on a flat plate while cool air is injected adjacent to the flat plate. The cool air forms an air blanket that shield the ... -
Optimization of a Confined Jet Geometry to Improve Film Cooling Performance Using Response Surface Methodology (RSM)
Al-Hemyari, Mohammed; Hamdan, Mohammad; Orhan, Mehmet Fatih (MDPI, 2020)This study investigates the interrelated parameters affecting heat transfer from a hot gas flowing on a flat plate while cool air is injected adjacent to the flat plate. The cool air forms an air blanket that shield the ... -
An overview of fuel cell technology: Fundamentals and applications
Sharaf, Omar Z.; Orhan, Mehmet Fatih (2014-04)This paper provides a comprehensive review of fuel cell science and engineering with a focus on hydrogen fuel cells. The paper provides a concise, up-to-date review of fuel cell fundamentals; history; competing technologies; ... -
Process simulation and analysis of a five-step copper-chlorine thermochemical water decomposition cycle for sustainable hydrogen production
Orhan, Mehmet Fatih; Dincer, Ibrahim; Rosen, Marc A. (2014-01)A process model of a five-step copper–chlorine (Cu–Cl) cycle is developed and simulated with the Aspen Plus simulation code. Energy and mass balances, stream flows and properties, heat exchanger duties, and shaft work are ... -
Process simulation and analysis of a five-step copper–chlorine thermochemical water decomposition cycle for sustainable hydrogen production
Orhan, Mehmet Fatih; Dincer, Ibrahim; Rosen, Marc (Wiley, 2014)A process model of a five-step copper–chlorine (Cu–Cl) cycle is developed and simulated with the Aspen Plus simulation code. Energy and mass balances, stream flows and properties, heat exchanger duties, and shaft work are ... -
A Study and Assessment of the Status of Energy Efficiency and Conservation at School Buildings
Ragab, Karim Mohamed; Orhan, Mehmet Fatih; Saka, Kenan; Zurigat, Yousef (MDPI, 2022)The building sector consumes a significant portion of global energy use. In this regard, this work was undertaken to study the status of energy efficiency and conservation at a large school building in the northern part ... -
Thermodynamic Analysis and Optimization of Densely-Packed Receiver Assembly Components in High-Concentration CPVT Solar Collectors
Sharaf, Omar Z.; Orhan, Mehmet Fatih (Elsevier, 2016-08-01)Concentrated photovoltaic thermal (CPVT) solar collectors are one of the most promising solar concepts due to their compactness, multi-output nature, and high exergy efficiencies. However, accurate design models and clear ... -
Variation in cooling performance of a bio-based phase change material by adding graphene nanoplatelets with surfactants
Sheikh Mohammed, Yahya; Orhan, Mehmet Fatih; Umair, Muhammed; Mehaisi, Elmehaisi; Azmeer, Ahmed (Elsevier, 2022)In this paper, thermal characteristics of various phase change materials induced with additives and surfactants are studied to enhance cooling properties and chemical stability. In this regard, graphene nanoplatelets at ...