Search Results - "Ookawara, Shinichi"

Uniform cooling for concentrator photovoltaic cells and electronic chips by forced convective boiling in 3D-printed monolithic double-layer microchannel heat sink by Radwan, Ali, Ookawara, Shinichi, Mori, Shinsuke, Ahmed, Mahmoud

“…•MDL-MCHS was proposed, optimized, 3D-printed, and experimentally evaluated.•Counter flow operation of forced convective boiling attained a uniform wall…”
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Techno-economic assessment of clean hydrogen production and storage using hybrid renewable energy system of PV/Wind under different climatic conditions by Nasser, Mohamed, Megahed, Tamer F., Ookawara, Shinichi, Hassan, Hamdy

“…•Hydrogen production and storage from wind/PV energy system is investigated.•The study is carried out for five Egyptian cities; Cairo, Aswan, Asyout, El Arish,…”
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Degradation of four pharmaceuticals by solar photo-Fenton process: Kinetics and costs estimation by Alalm, Mohamed Gar, Tawfik, Ahmed, Ookawara, Shinichi

“…Solar photo-Fenton process for degradation of four types of pharmaceuticals namely amoxicillin, ampicillin, diclofenac, and paracetamol was studied…”
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Enhancement of photocatalytic activity of TiO2 by immobilization on activated carbon for degradation of pharmaceuticals by Gar Alalm, Mohamed, Tawfik, Ahmed, Ookawara, Shinichi

“…This work evaluates the photocatalytic activity of bare TiO2 and TiO2 immobilized on activated carbon (TiO2/AC) for degradation of pharmaceuticals. Four…”
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Performance and thermal stresses in functionally graded anode-supported honeycomb solid-oxide fuel cells by Osman, Sameer, Ahmed, Khaled, Nemattalla, M., Ookawara, Shinichi, Ahmed, Mahmoud

“…Enhancing the performance of anode supported honeycomb solid-oxide fuel cells via operating at higher temperatures is of great interest. However, working at a…”
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Adsorption working pairs for adsorption cooling chillers: A review based on adsorption capacity and environmental impact by Shmroukh, Ahmed N., Ali, Ahmed Hamza H., Ookawara, Shinichi

“…Adsorption working pairs are the vital main components in the adsorption refrigeration machines. Therefore, the key for the further development is focusing on…”
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Process intensification of dry reforming of methane by structured catalytic wall-plate microreactor by Hamzah, Anthony Basuni, Fukuda, Takashi, Ookawara, Shinichi, Yoshikawa, Shiro, Matsumoto, Hideyuki

“…[Display omitted] •Assembled structured microreactor process-intensified dry reforming of methane.•Baffle and void space improved convective transport in…”
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Machine learning and data-driven characterization framework for porous materials: Permeability prediction and channeling defect detection by Yasuda, Tomoki, Ookawara, Shinichi, Yoshikawa, Shiro, Matsumoto, Hideyuki

“…[Display omitted] •Machine-learning-based characterization of porous materials using descriptors.•New indices of connectivity and inhomogeneity to predict…”
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Effect of guidewire insertion in fractional flow reserve procedure for real geometry using computational fluid dynamics by Abuouf, Yasser, AlBadawi, Muhamed, Ookawara, Shinichi, Ahmed, Mahmoud

“…Coronary artery disease is an abnormal contraction of the heart supply blood vessel. It limits the oxygenated blood flow to the heart. Thus, diagnosing its…”
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A Novel Adsorption/Co-Digestion/Pyrolysis Scheme for Potato Peel Waste Management to Fulfill the Sustainable Development Goals (SDGs) by Augustine, Duku, Abdelhaleem, Amal, Ookawara, Shinichi, Nasr, Mahmoud

“…While several studies have utilized potato peel to prepare biochar involved in dye adsorption from wastewater, there is still a research gap in managing the…”
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Thermal analysis of high concentrator photovoltaic module using convergent-divergent microchannel heat sink design by Y.M. Ali, Abdallah, M. Abo-Zahhad, Essam, Elqady, Hesham I., Rabie, Mohammed, Elkady, M.F., Ookawara, Shinichi, El-Shazly, A.H., Radwan, Ali

“…•New cooling MCHS for HCPV is proposed and compared with the conventional MCHS.•Different inlet and outlet orientations are examined toward more uniform…”
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Visible-light-driven photocatalytic disinfection of raw surface waters (300–5000 CFU/mL) using reusable coated Ru/WO3/ZrO2 by Fouad, Mohamed, Gar Alalm, Mohamed, El-Etriby, Hisham Kh, Boffito, Daria Camilla, Ookawara, Shinichi, Ohno, Teruhisa, Fujii, Manabu

“…[Display omitted] •Raw water was collected from three different locations in Nile Delta, Egypt.•Photocatalysts were coated in aluminum plates for extended…”
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Dual biogas/biochar production from anaerobic co-digestion of petrochemical and domestic wastewater: a techno-economic and sustainable approach by Atukunda, Anita, Ibrahim, Mona G., Fujii, Manabu, Ookawara, Shinichi, Nasr, Mahmoud

“…This study investigates the utilization of petrochemical and domestic wastewater (PCW and DW) for dual biogas and biochar production, focusing on the economic…”
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Thermal decomposition characteristics and study of the reaction kinetics of tea-waste by Alashmawy, Mohamad M., Hassan, Hassan S., Ookawara, Shinichi A., Elwardany, Ahmed E.

“…This study aimed to investigate waste-tea’s pyrolysis kinetics and thermodynamics to assess its potential for thermochemical processes. In this study, three…”
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Solar photocatalytic degradation of phenol by TiO2/AC prepared by temperature impregnation method by Gar Alalm, Mohamed, Tawfik, Ahmed, Ookawara, Shinichi

“…Solar photocatalytic degradation of phenol by TiO2 (p25), which was immobilized on powdered activated carbon (TiO2/AC) by temperature impregnation method, was…”
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Influence of design and operating conditions on the performance of tandem photoelectrochemical reactors by Njoka, Francis, Ookawara, Shinichi, Ahmed, Mahmoud

“…Solar-driven photoelectrochemical water splitting technology is a promising avenue for a sustainable hydrogen production. In this work, a comprehensive…”
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Concentrator photovoltaic thermal management using a new design of double-layer microchannel heat sink by Elqady, Hesham I., Radwan, Ali, Ali, Abdallah Y.M., Rabie, Mohammed, Abo-Zahhad, Essam M., Ookawara, Shinichi, Elkady, M.F., El-Shazly, A.H.

“…•3D heat transfer model for DL-MCHS coupled with thermal model for CPV/T are done.•Assessment of DL-MCHS potentials for CPV thermal management is achieved.•The…”
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Double-layered catalytic wall-plate microreactor for process intensification of dry reforming of methane: Reaction activity improvement and coking suppression by Fukuda, Takashi, Harada, Makoto Ryo, Ookawara, Shinichi, Hamzah, Anthony Basuni, Yoshikawa, Shiro, Matsumoto, Hideyuki

“…•Novel structured plate-reactor process-intensified dry reforming of methane (DRM)•Baffle induced advective transport in catalytic bed with low pressure…”
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Assessment of a novel spiral hydraulic flocculation/sedimentation system by CFD simulation, fuzzy inference system, and response surface methodology by Gar Alalm, Mohamed, Nasr, Mahmoud, Ookawara, Shinichi

“…•CFD simulation was used to study the change in velocity gradient.•The novel system showed very smooth tapered flocculation.•Higher velocity gradient leads to…”
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Investigating the engine performance, emissions and soot characteristics of CI engine fueled with diesel fuel loaded with graphene oxide-titanium dioxide nanocomposites by Bello, Yusuf H., Ookawara, Shinichi A., Ahmed, Mahmoud A., El-Khouly, Mohamed A., Elmehasseb, Ibrahim M., El-Shafai, Nagi M., Elwardany, Ahmed E.

“…•Effect of GOTiO2 nanoparticles on diesel fuel combustion and PM is investigated.•Neat diesel records 10.11% higher BSFC and 8.36% lower EGT than the GOTiO2…”
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