Results 61 to 70 of about 1,219 (157)

Early hydration characteristics of oil well cement pastes admixed with newly prepared organic admixture

HBRC Journal, 2018
A number of chemical and mineral admixtures are usually used in the oil-well cement (OWC) pastes to modify and control their fluidity to resist the higher temperatures and pressures during the drilling process of the well.
S.A. Abo-El-Enein, S.M.A. El-Gamal, I.A. Aiad, M.M. Azab, O.A. Mohamed   +4 more
doaj   +1 more source

Experimental Study of Wave Spectrum Type Impact on Inner Chamber Fluctuation, Pressure and Reflection of OWC Device

International Journal of Coastal and Offshore Engineering, 2018
Increasing problems due to supplying energy demand conveyed researchers to find a solution in renewable energy resources and consequently marine engineers drew attentions towards wave energy which has the merit of higher energy density than the other ...
Milad Zabihi, Said Mazaheri, Masoud Montazeri Namin   +2 more
doaj  

A review of machine learning techniques for optical wireless communication in intelligent transport systems

Intelligent and Converged Networks
Intelligent Transport Systems (ITS) are crucial for safety, efficiency, and reduced congestion in transportation. They require efficient, secure, high-speed communication. Radio Frequency (RF) technologies like Fifth Generation (5G), Beyond 5G (B5G), and
Thabelang Sefako, Fang Yang, Jian Song, Reevana Balmahoon, Ling Cheng   +4 more
doaj   +1 more source

Simulaciones de Fluidos con CFD Aplicadas a Interpretar el Aprovechamiento de la Energía Oceánica en Sistemas OWC

Tecnología y Ciencia, 2018
El presente trabajo es la descripción de la secuencia metodológica de procesos que concluye con los resultados obtenidos a través de simulación computacional CFD (Computational Fluid Dynamics) para el aprovechamiento de energía oceánica.
Pablo Patricio Valdez
doaj  

Wave-Power Extraction by an Oscillating Water Column Device over a Step Bottom

Mathematics
This study investigates wave-power extraction by an oscillating water column (OWC) device over a porous-to-rigid step bottom using linearized water-wave theory.
Gagan Sahoo, Harekrushna Behera, Tai-Wen Hsu   +2 more
doaj   +1 more source

History of OWC

, 1965
Originally published in The Classmate Magazine (1961-2001), initially a publication of the Naval Postgraduate School's Officer Students' Wives' Club.
Classmate Magazine, NPS Officer Students' Wives' Club   +1 more
openaire   +1 more source

A Review of Indoor Optical Wireless Communication

Photonics
Indoor Optical Wireless Communication (OWC) provides a promising solution for high-capacity, low-latency, and electromagnetic interference-resistant wireless communication. Over the past decade, there has been extensive research addressing key challenges
Huiyi Weng, Wei Wang, Zhiwei Chen, Bowen Zhu, Fan Li   +4 more
doaj   +1 more source

The Effect of Wave Signature on the Voltage Output of an Oscillating Water Column

Vibration
The reduction in carbon footprint and scarcity of energy resources have increased the demand for renewable and sustainable energy resources, and thus, significant efforts have been concentrated on harnessing renewable and sustainable energy resources ...
Marcel Ilie
doaj   +1 more source

Numerical Study on the Performance of an OWC under Breaking and Non-Breaking Waves

Journal of Marine Science and Engineering
A numerical model for the simulation of the performance of an oscillating water column (OWC) subjected to non-breaking and breaking waves is proposed in this paper.
Giovanni Cannata, Francesco Biondi, Marco Simone   +2 more
doaj   +1 more source

Identification of fluid type and fine characterization of oil-water contact for an oil reservoir with strong vertical heterogeneity

Youqicang pingjia yu kaifa, 2021
K oil reservoir, in Oilfield-A, Iraq, is a typical porous carbonate reservoir. It is characterized by complex pore structure, wide range of resistivity and complex oil-water contact（OWC）.
CHEN Mingjiang, LIU Junhai, CHENG Liang
doaj