Results 31 to 40 of about 19,548 (308)
Research on aerodynamic drag reduction for 400 km/h high-speed trains
Advances in Wind EngineeringTo improve the transportation efficiency, the trains are designed for higher operational speed. When the train speed increases, its aerodynamic drag grows dramatically and the operational energy consumption surges.
Tiantian Wang +4 more
doaj +1 more source
A Streamlined Design of a High-Speed Coach for Fuel Savings and Reduction of Carbon Dioxide
International Journal of Automotive Engineering, 2011 Numerous aerodynamic designs of high-speed coaches have been made to reduce aerodynamic drag for lower fuel consumption and to keep the driving stability of the vehicle on a highway.
Chul-Ho KIM
doaj +1 more source
Impact of Variable Atmospheric and Oceanic Form Drag on Simulations of Arctic Sea Ice [PDF]
, 2014 Over Arctic sea ice, pressure ridges and floe and melt pond edges all introduce discrete obstructions to the flow of air or water past the ice and are a source of form drag.
Laxon, Seymour W. +11 more
core +1 more source
Performance and noise trade-offs on a civil airliner with over-the-wing engines [PDF]
, 2011 Community noise has become a major consideration in the design of new aircraft. The noise generated by the engines has decreased over the generations to the extent that a whole-airframe approach is required now to achieve further significant reductions ...
Joseph, P.F. +5 more
core +1 more source
Planar Solid‐State Nanopores Toward Scalable Nanofluidic Integration Based on CMOS Technology
Advanced Engineering Materials, EarlyView.We present a scalable silicon‐based fabrication strategy for planar solid‐state nanopores to enable their integration with complex nanofluidic systems. Prototype devices demonstrate normal voltage‐current characteristics, good noise performance, and appreciable streaming currents. Our CMOS‐compatible fabrication process offers precise geometric control
Ngan Hoang Pham +7 more
wiley +1 more source
Aerodynamic Characteristics of High-speed Train Pantographs Based on Jet Flow Control [PDF]
Journal of Applied Fluid MechanicsThe pantograph is a critical instrument that significantly affects the aerodynamics of high-speed trains, posing a considerable challenge to the energy conservation and environmental protection of trains.
S. Huang +5 more
doaj +1 more source
Aerodynamic forces on high speed multi-hulled marine vehicles [PDF]
, 2008 The need for high-speed high-payload craft has led to a considerable interest in vehicles capable of bridging the gap between conventional ships and aircraft. One such concept uses the forward motion of the craft to create aerodynamic forces on a wing-
Williams, A. G. W.
core
Advanced Engineering Materials, EarlyView.A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares +3 more
wiley +1 more source
The Aerodynamic Drag Coefficient Effect on the Working Area Ventilation Status
Applied SciencesIn the present-day mining conditions, the ensuring of effective ventilation is the key factor in mine safety and energy efficiency. Calculating the aerodynamic drag of mine workings is the basis for designing and optimizing ventilation systems ...
Gulmira Sattarova +10 more
doaj +1 more source
CFD-Based research on control strategy of the opening of Active Grille Shutter on automobile
Case Studies in Thermal Engineering, 2018 Active Grille Shutter is a very promising technology to improve the performance and fuel economy of automotive engines. The engine room temperature and the automobile aerodynamic resistance should both been considered when controlling the opening of the ...
JiaCheng Li +4 more
doaj +1 more source