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Toplam kayıt 866, listelenen: 121-130
Parametric study of exergetic sustainability performances of a high altitude long endurance unmanned air vehicle using hydrogen fuel
(Pergamon-Elsevier Science Ltd, 2016)
Exergetic sustainability performances such as, exergy efficiency, waste exergy ratio, environmental effect factor and exergetic sustainability index of a HALE UAV were investigated parametrically. the UAV and its high ...
Impact on efficiency of core materials in dry type transformers
(Ieee, 2016)
Transformers have an important place in electric transmission and distribution systems. Transmission and distribution efficiency of transformers should be high in regard to energy efficiency. Efficiency is one of important ...
Pilot assisted channel estimation for asymmetrically clipped optical OFDM over visible light channels
(Ieee, 2016)
The Visible Light Communication(VLC) has drawn significant attention recently for wireless communication in addressing the performance limitations of wireless systems due to the scarcity of bandwidth. in VLC system, the ...
Analysis of a wall cooling system using a heat pump
(Pergamon-Elsevier Science Ltd, 2016)
In this study, a vertical ground source heat pump wall cooling system that belongs to the Yildiz Renewable Energy House at the Davutpasa Campus of Yildiz Technical University was studied both experimentally and theoretically. ...
Characterization of strength and quality of cemented mine backfill made up of lead-zinc processing tailings
(Frontiers Media, 2021)
Predicting the reactions of the backfill materials exposed to the effects of air and groundwater will eventually ensure an efficient and accurate mine fill system for sustainable mining operations. This paper reveals the ...
A perspective of COVID 19 impact on global economy, energy and environment
(Taylo & Francis Ltd., 2021)
COVID-19 or novel coronavirus is not only an international emergency for public health but also has significant consequences on energy, economy, and environment. Although much of the World's attention is understandably ...
An overview of cryptographic accumulators
(Scitepress, 2021)
This paper contributes a primer on cryptographic accumulators and how to apply them practically. A cryptographic accumulator is a space- and time-efficient data structure used for set membership tests. Since it is possible ...
Impacts of ground slope on main performance figures of solar chimney power plants: a comprehensive cfd research with experimental validation
(Hindawi, 2021)
Geometric parameters in solar chimney power plants are numerically optimised for the purpose of better power output figures. Several parameters have been investigated in the pilot plant such as chimney height and diameter, ...
Effect of heat treatment on mechanical and wear properties of Zn-40Al-2Cu-2Si alloy
(Elsevier, 2021)
In order to determine the effect of heat treatment on the mechanical and wear properties of Zn-40Al-2Cu-2Si alloy, different heat treatments including homogenization followed by air-cooling (H1), homogenization followed ...
A new wide area-based algorithm to determine faulted line in series-compensated grid using k-nearest neighbor (k-NN) classification method
(Gazi Üniversitesi Mühendislik Mimarlık Fakültesi, 2021)
Nowadays, series capacitors are frequently used to increase the transfer capacity and reduce losses on long transmission lines. They also play an important role in improving the voltage stability of the grid. In addition ...