Ryoichi Samuel Amano

Experimental Study on Rotating Spar Mixer in Energy-Efficient Aeration Systems

Razan Al-Mohamad, Ryoichi Samuel Amano

Abstract Aeration is a critical and energy-intensive process in wastewater treatment, and its efficiency is strongly influenced by bubble size. In this study, a novel rotating spar mixer is proposed to generate smaller bubbles than conventional fine-bubble diffusers while simultaneously providing controlled …

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Analyzing power flow dynamics in wastewater treatment facilities enhanced with solar photovoltaic integration

Hamza Alnawafah, Ryoichi Samuel Amano, Emad Abdelsalam, Fares Almomani

Wastewater treatment plants (WWTPs) are major energy consumers, accounting for 3–4 % of total energy consumption in the United States. Aeration tanks are particularly energy-intensive, constituting 45–75 % of the energy footprint. This study introduces a groundbreaking approach by merging Photovoltaic (PV) …

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Investigation of the Synergetic Effect of Using J-Shaped Profile and Winglets in Single and Multiple Profile Blades of Small-Scale Horizontal Axis Wind Turbines

Saif Al Hamad, Mohamed Abousabae, Omar Shaker, Ryoichi Samuel Amano

Abstract The design of wind turbine blades plays a significant role in determining the aerodynamic performance of the rotor. In this study, the effect of using different blade design modifications for small-scale horizontal axis wind turbines (HAWTs) was investigated. Experimentally generated wind …

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Kinetic and Thermal Behavior Analysis of Sludge, Cow Manure, Cork, and Wood Flour During Pyrolysis Treatment

Cheikh Kada, Mohamed Maache, Kada Kada, Areej Khalil et autres

Abstract The global pursuit of sustainable energy solutions has heightened interest in biomass as a renewable feedstock for energy production. Among thermochemical processes, pyrolysis presents a promising method for converting biomass into valuable fuels, chemicals, and biochar. This study investigates the thermal …

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Fundamentals of Turbomachinery

William W. Peng, Ryoichi Samuel Amano

An accessible and up-to-date discussion of foundational turbomachine technology In the newly revised second edition of Fundamentals of Turbomachinery: Theory and Applications, a team of distinguished researchers delivers an accessible introduction to turbomachinery, taking readers from a foundational understanding of the subject …

Experimental and Computational Fluid Dynamics-Based Response Surface Methodology Optimization of Rotor–Stator Blade Configuration in Micro-Kaplan Turbines

Kada Kada, Areej Khalil, Mohamed Abousabae, Cheikh Kada et autres

Abstract Kaplan turbines are widely recognized for their efficiency and adaptability in low-head hydropower systems, making them critical components in renewable energy infrastructure. This study combines experimental testing, high-fidelity computational fluid dynamics (CFD), and response surface methodology (RSM)-based design of experiments (DOE) …

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Investigation of the Synergetic Effect of Using J-Shaped Profile and Winglets in Single and Multiple Profile Blades of Small-Scale Horizontal Axis Wind Turbines

Saif Al Hamad, Mohamed Abousabae, Omar Shaker, Ryoichi Samuel Amano

Abstract The design of wind turbine blades plays a significant role in determining the aerodynamic performance of the rotor. In this study, the effect of using different blade design modifications for small-scale horizontal axis wind turbines (HAWTs) was investigated. Experimentally generated wind …

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Effects of Mixture Ratios on Co-Pyrolysis of Sludge With Cow and Chicken Manure

Cheikh Kada, Mohamed Maache, Kada Kada, Abdallah Bebelmadjat et autres

Abstract This study investigates the co-pyrolysis behavior of sludge mixed with cow and chicken manure at varying fractions, analyzed at a constant heating rate of 5 °C/min. To optimize energy recovery, the objective is to assess how mixture composition influences weight loss …

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Utilizing Artificial Neural Networks to Correlate Energy Consumption and Intensity in Metal Industries for the Midwest States

Mohamed Youssef, Kada Kada, Yazeed AbuShanab, Qais Alnawafah et autres

Energy optimization and analysis are significant in mapping energy consumption and savings for various industries. This study sheds light on utilizing two main energy evaluation parameters: Energy Intensity Utilization (EIU) and Specific energy consumption (SEC). This research paper is founded on an …

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Investigation of the Potential of Air-Source and Hybrid-Source Heat Pumps in Cold Climates

Omar Alsotary, Hamza Alnawafah, Ryoichi Samuel Amano

Abstract This study investigates the performance of air and hybrid-source heat pumps, particularly in cold climates where freezing can compromise efficiency. The problem statements to solve during the research are investigating the air-sourced Heat Pump Evaporator cooling load areas of cold weather …

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Enhancing Power System Stability with Battery Energy Storage Systems: Modeling and Simulation of Dynamic Grid Scenarios

Hamza Alnawafah, Ahmad Harb, Ryoichi Samuel Amano

– This paper presents the simulation and validation of a national power grid model to explore the potential upgrade to a smart grid using DIgSILENT PowerFactory. The model incorporates 132 kV and 400 kV transmission lines and substations, using real data to …

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Special Section on the 2024 ASME Turbo Expo on Wind and Renewable Energy Research

Ryoichi Samuel Amano, Ashwani Kumar Gupta

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