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Jiachi Zhao, Jun Li and Lifang Zeng
Birds and experienced glider pilots frequently use atmospheric updrafts for long-distance flight and energy conservation, with harvested energy from updrafts serving as the foundation. Inspired by their common characteristics in autonomous soaring, a rei...
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Yunxiang Cui, De Yan and Zhiqiang Wan
Soaring birds can use thermal updrafts in natural environments to fly for long periods or distances. The flight strategy of soaring birds can be implemented to gliders to increase their flight time. Currently, studies on soaring flight strategies focus o...
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Yansen Wu, Ke Li, Anmin Zhao, Haobo Liu, Yuangan Li and Dongsheng Wen
Endurance is a critical factor for solar-powered unmanned aerial vehicles (SUAVs). Taking inspiration from birds, SUAVs have the ability to harvest extra energy from atmospheric thermal updrafts to extend their endurance. Though recent research has mainl...
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Ádám László Katona, István Ervin Háber and István Kistelegdi
A huge portion of energy consumption in buildings comes from heating, ventilation, and air conditioning. Numerous previous works assessed the potential of natural ventilation compared to mechanical ventilation and proved their justification on the field....
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Arthur M. James R., Wenqiao Yuan, Duo Wang, Donghai Wang and Ajay Kumar
The effect of airflow rate, biomass moisture content, particle size, and compactness on the surface properties of biochar produced in a top-lit updraft gasifier was investigated. Pine woodchips were studied as the feedstock. The carbonization airflow rat...
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Ehsan Oveisi, Shahab Sokhansanj, Anthony Lau, Jim Lim, Xiaotao Bi, Fernando Preto and Cliff Mui
In this study, the moisture content, calorific value, and particle size of recycled wood chips were measured. The wood chips were used to fuel an 8.5 MWth updraft gasifier to produce syngas for combustion in a steam-producing boiler. In-situ s...
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Thang M. Luong, Christopher L. Castro, Truong M. Nguyen, William W. Cassell and Hsin-I Chang
A commonly noted problem in the simulation of warm season convection in the North American monsoon region has been the inability of atmospheric models at the meso-ß scales (10 s to 100 s of kilometers) to simulate organized convection, principally mesosc...
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Jean-Baptiste Filippi, Frédéric Bosseur, Céline Mari and Christine Lac
The Aullene fire devastated more than 3000 ha of Mediterranean maquis and pine forest in July 2009. The simulation of combustion processes, as well as atmospheric dynamics represents a challenge for such scenarios because of the various involved scales, ...
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Aikaterini Bougiatioti, Athina Argyrouli, Stavros Solomos, Stergios Vratolis, Konstantinos Eleftheriadis, Alexandros Papayannis and Athanasios Nenes
Measurements of cloud condensation nuclei (CCN) concentrations (cm-3) at five levels of supersaturation between 0.2?1%, together with remote sensing profiling and aerosol size distributions, were performed at an urban background site of Athens during the...
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Tafadzwa Makonese, Daniel M. Masekameni, Harold J. Annegarn
Informal fixed-bed coal-burning braziers are used extensively in low-income communities of South Africa for space-heating and cooking needs. An investigation was carried out on the effects of coal moisture content and coal quality on the thermal and emis...
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