Results 51 to 60 of about 1,224 (231)
IEEE AccessOne of the key technologies for achieving day and night flight, tracking solar peak, and reducing flight energy consumption for a near-space solar-powered unmanned aerial vehicle (UAV) is trajectory planning.
Tichao Xu +4 more
doaj +1 more source
Advanced Intelligent Discovery, EarlyView.Materials informatics and autonomous experimentation are transforming the discovery of organic molecular crystals. This review presents an integrated molecule–crystal–function–optimization workflow combining machine learning, crystal structure prediction, and Bayesian optimization with robotic platforms.
Takuya Taniguchi +2 more
wiley +1 more source
Engineering Applications of Computational Fluid Mechanics, 2017 This article presents a numerical investigation of the effects of leading-edge protuberances on airfoil stall and post-stall performance. An improved delayed detached eddy simulation (IDDES) method was adopted.
Ming Zhao, Mingming Zhang, Jianzhong Xu
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Netsu Bussei, 2007 工業材料は表面に多数の微視き裂が発生する劣化初期段階で表面層のみかけ熱伝導率が変化する。熱物性のその場測定技術により、その熱伝導率変化から劣化の度合いを評価、診断する方法を開発した。この微視き裂層が存在する場合について、固体熱物性テスターによる温度応答および熱伝導率測定値に対する影響を理論的に検討した。この理論を検証するために金属材料を用いて疲労試験を行い、試験前後での材料表面と熱伝導率の変化を比較検討した。その結果、それらの熱伝導率減少度から劣化評価パラメータの推算が可能であることを確認した。
Kato, Kazunori, Takahashi, Ichiro
openaire +2 more sources
Energy Material AdvancesExploring advanced thermoelectric materials, especially flexible thermoelectric fibers, is promising for wearable devices. The thermoelectric properties of these fibers are evaluated using the figure of merit ZT value.
Yanan Shen +7 more
doaj +1 more source
Radiative Hybrid Nanofluid Flow Over a Porous Riga Surface: A Fuzzy–ANN Modeling Approach
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT This study proposes a fuzzy–ANN model to investigate the nonlinear thermal transport in a tangent hyperbolic (Tanh) hybrid nanofluid flow past a porous Riga surface, considering the effects of Rosseland diffusion, chemical reactions, and internal volumetric heating.
Azad Hussain, Rabia Zetoon, Reeha Iqbal
wiley +1 more source
ITEGAM- Journal of Engineering and Technology for Industrial Applications (ITEGAM-JETIA), 2020 Researches focusing on the development of biofuel production processes have increased significantly in recent years, mainly for environmental and economic issues. The identification of low-cost raw materials and the development of simulation models able to predict the conditions of production and the properties of the components may be the way to ...
Gisele Cristina Rabelo Silva +1 more
openaire +3 more sources
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT This work discusses the thermal performance of magnetized hybrid nanofluid flow over a variable porous stretchable surface, emphasizing the underlying physical mechanisms governing heat and mass transfer. The Cattaneo–Christov flux model is used in place of Fourier's and Fick's laws to incorporate relaxation effects, ensuring a more realistic ...
Mounirah Areshi +5 more
wiley +1 more source
Data-Driven Safety-Aware Reinforcement Learning for Transient Scheduling of Turbofan Engines
IEEE AccessSafe transient operation is essential for turbofan engines, yet conventional min–max schedules are often conservative and require extensive manual tuning.
Weiqun Fan +5 more
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Steam gasification reactivity of a high-sodium coal fly ash obtained from a pilot scale CFB gasifier
International Journal of Coal Science & Technology, 2018 Circulating fluidized bed (CFB) gasification has several advantages for the utilization of low rank coals. However, the carbon content of fly ash is usually very high, which greatly influences the gasification efficiency.
Haixia Zhang, Kuangshi Yu, Zhiping Zhu
doaj +1 more source