Results 151 to 160 of about 875,462 (392)

End wall flow characteristics and overall performance of an axial flow compressor stage [PDF]

open access: yes
This review indicates the possible future directions for research on endwall flows in axial flow compressors. Theoretical investigations on the rotor blade endwall flows in axial flow compressors reported here include the secondary flow calculation and ...
Lakshminarayana, B., Sitaram, N.
core   +1 more source

Van Der Waals Hybrid Integration of 2D Semimetals for Broadband Photodetection

open access: yesAdvanced Materials, EarlyView.
Advanced broadband photodetector technologies are essential for military and civilian applications. 2D semimetals, with their gapless band structures, high mobility, and topological protection, offer great promise for broadband PDs. This study reviews the latest advancements in broadband PDs utilizing heterostructures that combine 2D semimetals with ...
Xue Li   +9 more
wiley   +1 more source

Decoding Chemo‐Mechanical Failure Mechanisms of Solid‐State Lithium Metal Battery Under Low Stack Pressure via Optical Fiber Sensors

open access: yesAdvanced Materials, EarlyView.
By FBG sensing the Li/electrolyte interfacial stress in solid‐state battery, the Li metal anode failure reasons as dendrite‐induced uneven stress distribution at electrode/electrolyte interface are disclosed. A Li–Sn composite anode is demonstrated effective in stabilizing the interface mechanics and the solid‐state full cell performance at low stack ...
Guocheng Li   +11 more
wiley   +1 more source

Time-dependent transonic flow solutions for axial turbomachinery [PDF]

open access: yes
Three-dimensional unsteady transonic flow through an axial turbomachine stage is described in terms of a pair of two-dimensional formulations pertaining to orthogonal surfaces, namely, a blade-to-blade surface and a hub-to-casing surface.
Alzner, E.   +4 more
core   +1 more source

Recent Advances in Wide‐Bandgap Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
Ubiquitous defects predominately account for photo‐instability and open‐circuit voltage losses in wide‐bandgap perovskite solar cells (WBG PSCs). This review comprehensively presents the underlying impact mechanisms, summarizes the advanced optimization strategies across various functional layers and their interfaces to develop efficient and stable WBG
Jianjun Mei, Feng Yan
wiley   +1 more source

Design and Testing of an Offset Straw-Returning Machine for Green Manures in Orchards

open access: yesAgriculture
In order to solve the problems of traditional orchard-specific green manure crushing and returning machines, such as the single operation effect, root system damage, unsustainable green manure growth, and low utilization rate, an offset crushing ...
Quanzhong Zhang   +9 more
doaj   +1 more source

Aerodynamic investigation of an air-cooled axial-flow turbine. Part 2: Rotor blade tip-clearance effects on overall turbine performance and internal gas flow conditions: Experimental results and prediction methods [PDF]

open access: yes
Total turbine blade performance was investigated while changing the blade tip clearance in three ways. The internal flow at the moving blade outlet point was measured. Experimental results were compared with various theoretical methods.
Inoue, S.   +5 more
core   +1 more source

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