Results 21 to 30 of about 1,292 (181)

Compact OWC Receiver: Micro-Lens and PD Array on Glass Interposer

Journal of Lightwave Technology, 2023
In this article, we propose a compact optical wireless receiver based on micro-lens and photodiode array flip-chipped on a glass interposer. With simulation models and experiments, we verify the performance of two optical wireless communication receivers assembled based on this structure with gigabit and high-speed photodiodes.
Yuchen Song, Mikolaj Wolny, Chenhui Li, Ketemaw Addis Mekonnen, Carina Ribeiro Barbio Correa, Marc Spiegelberg, Eduward Tangdiongga, Oded Raz   +7 more
openaire   +3 more sources

Numerical investigations on the hydrodynamic performance of different configurations of oscillating water columns

Applied Ocean Research
Among the array of wave energy converters (WEC) under scrutiny, oscillating water columns (OWC) have emerged as one of the most thoroughly researched and straightforward options. This study delves into the hydrodynamic performance characteristics of four
S. Sandana Socrates, V. Sriram, V. Sundar   +2 more
doaj   +1 more source

Oscillating-water-column wave energy converters: A critical review of numerical modelling and control

Energy Conversion and Management: X, 2022
Wave energy is a significant untapped renewable energy source which can be harnessed by wave energy converters (WECs). The oscillating water column (OWC) is one of the most promising WECs, due to its relative simplicity of operation and relatively small ...
M. Rosati, J.C.C. Henriques, J.V. Ringwood   +2 more
doaj   +1 more source

Karakteristik Parameter Kuat Geser Tanah pada Lereng Akibat Perubahan Kadar Air Tanah

Jurnal Teknik Sipil
Longsoran yang terjadi pada lereng diindikasikan disebabkan oleh peningkatan massa tanah akibat bertambahnya kadar air yang mengisi pori-pori tanah yang akan memengaruhi sifat-sifat tanah terutama kuat geser sebagai salah satu sifat mekanis tanah ...
Ghina Amalia, Utari Sriwijaya Minaka, Aprilianda Aprilianda   +2 more
doaj   +1 more source

Multihop Optical Wireless Communication Over ${\mathcal {F}}$-Turbulence Channels and Generalized Pointing Errors With Fog-Induced Fading

IEEE Photonics Journal, 2022
Multihop relaying is a potential technique to mitigate channel impairments in optical wireless communications (OWC). In this paper, multiple fixed-gain amplify-and-forward (AF) relays are employed to enhance the OWC performance under the combined effect ...
Ziyaur Rahman, S. M. Zafaruddin, V. K. Chaubey   +2 more
doaj   +1 more source

Wind speed interannual variability with measured data validations and its impact on energy yield in the Southwest Sea of Korea

Scientific Reports
The Republic of Korea (ROK) has set an ambitious goal of 40.7 GW of onshore and offshore wind farms by 2038, as outlined in the “11th Basic Plan for Electricity Supply and Demand” in May 2024.
Geonhwa Ryu, Okan Sargin, Dohee Lee, Hyojeong Kim, Anna Pulo, Hyun-Goo Kim, Chang Ki Kim, Chae-Joo Moon, Jin-Young Kim   +8 more
doaj   +1 more source

Experimental Study of a Moored Floating Oscillating Water Column Wave-Energy Converter and of a Moored Cubic Box

Energies, 2019
This paper describes experimental research on a floating moored Oscillating Water Column (OWC)-type Wave-Energy Converter (WEC) carried out in the wave flume of the Coastal Engineering Research Group of Ghent University. This research has been introduced
Minghao Wu, Vasiliki Stratigaki, Peter Troch, Corrado Altomare, Tim Verbrugghe, Alejandro Crespo, Lorenzo Cappietti, Matthew Hall, Moncho Gómez-Gesteira   +8 more
doaj   +1 more source

Effect of wall inclination on the dynamic behaviour of an oscillating water column system [PDF]

MATEC Web of Conferences, 2020
The Oscillating Water Column device (OWC) is one of the most used Wave Energy Converters (WECs) for wave energy harvesting. It consists essentially of two parts: the pneumatic chamber made of concrete and the bidirectional turbine linked to a generator ...
El Barakaz Abdelhamid, El Marjani Abdellatif, Mounir Hamid   +2 more
doaj   +1 more source

The morphology of the oval window in Paranthropus robustus compared to humans and other modern primates

The Anatomical Record, EarlyView.
Abstract The oval window (OW) is an opening connecting the inner and middle ear. Its area has been shown to consistently scale with body mass (BM) in primates, and has been used alongside semi‐circular canal (SCC) size to differentiate Homo sapiens and fossil hominins, including Paranthropus robustus.
Ruy Fernandez, José Braga
wiley   +1 more source

Hybrid Simulation–Machine Learning Surrogates for Coordinate‐Based Solar and Wind Energy Yield Assessment in Iraq: A Streamlit Decision‐Support Tool

Energy Science &Engineering, EarlyView.
This study integrates climatic simulations with machine learning to predict solar and wind energy across Iraq. Results show Random Forest excels for solar (R2 = 0.98) and neural networks for wind (R2 = 0.97), enabling a practical web tool for renewable energy planning. ABSTRACT Driven by the global shift away from fossil fuels, solar and wind resources
Bassam Musheer Kareem, Abdolsalam Ebrahimpour, Jafar Ghafouri, Roghayyeh Motallebzadeh   +3 more
wiley   +1 more source