Results 21 to 30 of about 189,256 (267)

A Comparative Study on Developing the Hybrid-Electric Vehicle ‎Systems and its Future Expectation over the Conventional Engines Cars [PDF]

Journal of Engineering Research - Egypt, 2022
The use of hybrid electric vehicles (HEVs) as an alternative to traditional petroleum-powered cars has risen due to climate change, air pollution, and fuel depletion.
Medhat Elkelawy, Hagar Alm ElDin Mohamad, Mohamed Samadony, Ahmed Elbanna, Ahmed Safwat   +4 more
doaj   +1 more source

Effect of Trailing Edge Flaps on Power Coefficient of a Horizontal Axis Wind Turbine Model [PDF]

Port Said Engineering Research Journal, 2023
The field of wind energy has made significant progress, yet there is always room for improving the efficiency and the energy extracted from horizontal axis wind turbines HAWTs . There is interest in new renewable energy, including wind energy. This study
Mahmoud Khalil, Abd Elhady Ahmed, mohamed elsakka, Mohamed El-Ghandour   +3 more
doaj   +1 more source

The Chaotic Property of BTA Deep-Hole Machining System under the Effect of Inner Cutting Fluid

Shock and Vibration, 2023
To clarify the action mechanism of parameter change on system stability, the chaotic property of BTA deep-hole machining system under the effect of inner cutting fluid was analyzed. According to the kinematic characteristics of the internal cutting fluid
Quanbin Zhang, Wu Zhao, Yamin Li, Shuangxi Jing   +3 more
doaj   +1 more source

Autonomous Navigation of Robots Based on the Improved Informed-RRT∗ Algorithm and DWA

Journal of Robotics, 2022
An improved method is proposed in this investigation to solve the problems of poor path quality and low navigation efficiency of the Informed-RRT∗ algorithm in robot autonomous navigation.
Jun Dai, Dongfang Li, Junwei Zhao, Yanqin Li   +3 more
doaj   +1 more source

Flow Field and Combustion Characteristics of Natural Gas inside a Gas Turbine Combustor [PDF]

Port Said Engineering Research Journal, 2013
The present work is numerical simulat ion results from the modeling of a non-premixed natural gas flame performedin a combustor model. CFD studies using FLUENT code were carried out for different air swirl numbers and inletthermal load with constant A/F.
Ibrahim Abdel-Rahman, Mohamed Shaaban, Mohamed Shehata, Tharwat Farag   +3 more
doaj   +1 more source

Piezoelectric effect on thermoelastic Lamb waves in functionally graded plates

Archives of Mechanics, 2023
Based on the Lord–Shulman thermoelectric elasticity theory, the piezoelectric effect on the thermoelastic Lamb wave propagation in the functionally graded material (FGM) plate is investigated.
X. Wang, X. Ren, J. Yu, H. Zhou, X. Zhang, J. Leng   +5 more
doaj   +1 more source

Integration of Wind Power for Sustainable Energy at Lagos State University of Science and Technology: A Feasibility Study

Journal of Digital Food, Energy & Water Systems
This study investigates the feasibility of integrating wind power generation at Lagos State University of Science and Technology, specifically within the Mechanical Engineering Department, to address persistent electricity supply challenges in Nigeria ...
Akachukwu Oyim, Opeyemi Akerekan, Nwachukwu Ogbonna   +2 more
doaj   +1 more source

The Ghost Operator and Its Applications to Reveal the Physical Meaning of Reactive Power for Electrical and Mechanical Systems and Others

IEEE Access, 2017
In science and engineering, many concepts are introduced without a clear physical meaning, e.g., imaginary numbers in mathematics and reactive power in electrical engineering.
Qing-Chang Zhong
doaj   +1 more source

Organoids in pediatric cancer research

FEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Analysis of Flow Field behind a Road Vehicle With/Without Rear Air Spoiler [PDF]

Journal of Engineering Research - Egypt, 2018
A particle image velocimetry (PIV) technique has been used to analyze the flow characteristics behind a road vehicle with/without an air spoiler attached on the behind end and also to estimate its effect on the wake.
Aly Elzahaby, El-Shenawy Abd elhamid, Abd-Elkader Bekhatro, Mohamed Amro, Aly Hafez, Mohamed Elmidany   +5 more
doaj   +1 more source