نتایج جستجو برای: OWC

تعداد نتایج: 331  

2015
Rui Hou Yawen Chen Jigang Wu Haibo Zhang

Optical wireless communication (OWC) technologies have been discussed and evaluated in a wide range of application scenarios, which is drawing increasing interest to keep pace with the growth in LED technologies. OWC has unique advantages to provide safe, secure, low-cost, and high-bandwidth communications. As a compensation for the existing radio frequency communications, OWC has huge potentia...

2016
Xiuxuan Sun Qinglin Wu Sunyoung Lee Yan Qing Yiqiang Wu

The influence of nanocellulose on oil well cement (OWC) properties is not known in detail, despite recent advances in nanocellulose technology and its related composite materials. The effect of cellulose nanofibers (CNFs) on flow, hydration, morphology, and strength of OWC was investigated using a range of spectroscopic methods coupled with rheological modelling and strength analysis. The Vom-B...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2012
T V Heath

This paper considers the history of oscillating water column (OWC) systems from whistling buoys to grid-connected power generation systems. The power conversion from the wave resource through to electricity via pneumatic and shaft power is discussed in general terms and with specific reference to Voith Hydro Wavegen's land installed marine energy transformer (LIMPET) plant on the Scottish islan...

2011
T. V. Heath

This paper considers the history of oscillating water column (OWC) systems from whistling buoys to grid-connected power generation systems. The power conversion from the wave resource through to electricity via pneumatic and shaft power is discussed in general terms and with specific reference to Voith Hydro Wavegen’s land installed marine energy transformer (LIMPET) plant on the Scottish islan...

2011
Wasinee Noonpakdee Jiang Liu Shigeru Shimamoto

This paper presents hybrid RFID – OWC with an adaptive priority transmission scheme. In this model, we apply optical wireless communication (OWC) for transmitting confidential information to a radio frequency identification (RFID) reader. Since OWC provides high security, this improves the security of our system. The priority of information is assigned according to the level of confidentiality ...

2013
M. E. Abd - ElGhany M. S. Ammar

Olive waste cake (OWC) is underestimated as an agricultural waste. In this work, OWC extract were obtained by ethanol. Antioxidant efficacy of ethanolic OWC extract at levels of 100, 200, 400 and 600 ppm were studied. Samples of sunflower oil mixed with OWC extract were intermittent heated at 180±5°C for 4 hr / day, for 5 consecutive days and has been assayed for stabilization of sunflower oil ...

2015
Sona G Dev Sunu Ann Thomas

FSO Communication is the three dimension global communication system with high bandwidth access. Intersatellite communication can be considered as one of the major robust technology of FSO communication. Investigation of various parameters related to intersatellite OWC can be virtually done by using optisystem software. The performance of the system can also be studied. This paper analyzed the ...

2005
M. Papafotiou

Research was carried out to evaluate composted olive-mill waste as a peat substitute in foliage potted plant production. Rooted cuttings of Codiaeum variegatum (L.) A. Juss and Syngonium podophyllum Schott were grown for 5 months and Ficus benjamina L. for 10 months in media containing olive-mill waste compost (OWC), sphagnum peat and perlite in 1:3:4, 1:1:2, and 3:1:4 ratio (by volume), respec...

Journal: :international journal of marine science and engineering 2012
m. ghodsi hasanabad

free surface modeling plays an important role in some ocean structures design, especially in oscillating water column (owc) devices. boundary element method (bem) is a suitable method for free surface modeling due to its simplicity, quick solving, and low data storage requirement. in this paper, bem was used for free surface modeling in owc chamber and out of it. linear kinematic and dynamic bo...

2011
B. D. Pant Sunny Chauhan S. Chauhan

The concept of occasionally weakly compatible (shortly, owc) mappings introduced by Al-Thagafi and Shahzad [2], which is more general than the concept of weakly compatible maps. In this paper, we prove a common fixed point theorem for owc mappings in Menger space using arbitrary continuous t-norm for a nonlinear case. Full text

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