Results 41 to 50 of about 83,922 (304)
FEBS Open Bio, EarlyView.What factors make for an effective digital learning tool in Higher Education? This systematic review identifies elements of a digital tool that published examples reveal to be features of an engaging and impactful digital tool. A systematic literature search yielded 25 research papers for analysis.
Akmal Arzeman +4 more
wiley +1 more source
Device measures fluid drag on test vehicles [PDF]
, 1965 Electromechanical drag balance device measures the aerodynamic drag force acting on a vehicle as it moves through the atmosphere and telemeters the data to a remote receiving station.
Freeman, R., Judd, J. H., Leiss, A.
core +1 more source
Flow over rough-walled circular cylinder in the critical area [PDF]
, 2018 The article deals with the flow over a roughwalled circular cylinder in the critical area at high Re numbers. The subject of the paper is a comparison of the standard calculation of the aerodynamic drag coefficient with numerical modeling.
Kolos, Ivan +2 more
core +1 more source
Advanced Engineering Materials, EarlyView.High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé +5 more
wiley +1 more source
南方能源建设[Objective] As a physical energy storage method characterized by both environmental protection and economic efficiency, gravity energy storage is expected to become an important support for the sustainable development of renewable energy in the future ...
Liang CHEN +7 more
doaj +1 more source
Study and Evaluation of the Effects of Bionic Groove Structures Applied to Wheel Spokes on the Aerodynamics of a Car Model [PDF]
Journal of Applied Fluid MechanicsDecreasing the wheel aerodynamic drag is one of the important measures for lowering vehicle drag and improving fuel efficiency. The innovation of this study is designing the bionic non-smooth groove structure on the spoke surface as a drag reduction ...
T. H. Huang +4 more
doaj +1 more source
Aerodynamic Drag of Streamers and Flags [PDF]
Journal of Aircraft, 2005 Low-speed drag and flutter measurements of rectangular flags and streamers are presented. The streamers have aspect ratios between 10 and 30; the flag has an aspect ratio of 3.3. Operating Reynolds numbers are in the range from Re =2 × × 10 5 to 2 × × 10 6 .
A. C. Carruthers, A. Filippone
openaire +1 more source
2D Multifunctional Spin‐Orbit Coupled Dirac Nodal Line Materials
Advanced Functional Materials, EarlyView.A total of 473 nonmagnetic and antiferromagnetic 2D spin‐orbit coupled Dirac nodal line materials are screened, spanning 5 layer groups and 12 magnetic space groups. Furthermore, it integrates their topological properties with electride, multiferroic, and magnetic characteristics, revealing unique systems with expanded functionalities and promising ...
Weizhen Meng +7 more
wiley +1 more source
A Study on Reduced Wind Drag Acting on the Hull of a River Ship in Headwind Using CFD
Applied SciencesThe aerodynamic performance of a ship plays a crucial role in determining its efficiency, safety, and economic viability. While traditional ship design has primarily focused on optimizing hull forms to minimize water resistance acting on the hull, recent
Ngo Van He +3 more
doaj +1 more source
Definition and discussion of the intrinsic efficiency of winglets [PDF]
INCAS Bulletin, 2018 Three simple equations are derived to define the “Intrinsic Aerodynamic Efficiency of Winglets” independent of the horizontal extension of the winglet and independent of the winglet’s (relative) height.
Dieter SCHOLZ
doaj +1 more source