Fuel-Efficient Active Flow Control for Tractor Trailers

Tractor Trailers ATDynamics, Inc. ICAT Grant No. 08-1 October 28, 2011 Conducted under a grant from the Innovative Clean Air Technologies Program of the California Air ...

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More Aeronautical Engineering Projects

Sample Aeronautical Engineering Projects More Aeronautical Engineering Projects CFD Case Studies Statement of Work ... CAD for a roadable aircraft concept. Wind tunnel test and CFD work for a new propeller/windmill concept. Preliminary design of a ...

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Tractor-Trailer Aerodynamics - Article - TruckingInfo.com

universities and manufacturers find ways to streamline tractors and trailers in order to reduce air drag and thus, save fuel. ... "We tested 150 different geometries" on a 1/15 scale tractor-trailer in a wind tunnel and on a full-size trailer before settling on the ...

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Drag Reduction of Tractor Trailers - Green Car Congress

Drag Reduction of Tractor Trailers Ken Visser Clarkson University, Potsdam New York November 2005 ... Figure 1 –Numerical simulation of tractor trailer Figure 2 –Wind tunnel testing at Clarkson University of 1:15 scale model Figure 3 –Full scale cross ...

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Mercedes Benz showcases its Aero Trailer concept in Belgium

Mercedes Benz showcased its Aero Trailer concept at this month's Trailer 2011 show, in Belgium. ... The logical next step is clearly to apply the same rigorous wind-tunnel work to the trailer half of the equation, and that's exactly what Mercedes has done.

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Trailer « Platform for Aerodynamic Road Transport

numerical simulations of the flow around a tractor-trailer combination are conducted to identify the critical regions ... (left) and wind tunnel experiments (right) of the boat tail concept. During wind tunnel experiments different boat tail con figurations are ...

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Commercial Vehicles Research & Testing | ARC

Rental Wind Tunnel Scale Models for Part Development Tractor and Trailer Forces Measured Separately for Improved CFD Correlation Durability Testing ...

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Force Field Could Form 'Electric Boat Tail' to Cut Turbulence - Trailer Talk - TruckingInfo.com

Force Field Could Form 'Electric Boat Tail' to Cut Turbulence Now being developed for aircraft and cars, the concept has fuel-saving possibilities for tractor-trailers, its backers say. July 22, 2016

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najafgarh metro drain tunnel work environment - KAMY China - KAMY Company has innovative roadheader in China.

elizabeth river tunnel ez-pass indiana wind tunnel diagrams concept tractor trailers cumberland gap tunnel kentucky channel tunnel train times pokemon blue rock tunnel walkthrough downtown houston tunnel system directory natm tunnel construction description ...

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Demo for a SEMI TRAILER BOAT TAIL design - YouTube

A retractable boat tail design for semi-trailers to reduce drag and provide improved aerodynamics for transport trucks. ... NASA Wind Tunnel Used to Test Truck Fuel Efficiency - Duration: 2:52. SpaceLibrary 10,155 views 2:52 AirWedge Side by Side Wind 1:33 ...

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Substantial drag reduction of a tractor-trailer vehicle using gap fairings - ScienceDirect

The drag reduction effects of proposed gap fairings are quantitatively examined through wind tunnel tests including drag and PIV measurements. ...

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Navistar's Prototype Catalist Truck Takes the Aerodynamic Challenge of the World's Largest Wind Tunnel | WIRED

Climb Inside the World's Largest Wind Tunnel A cold wind is whipping past, but the engineers scurrying around the giant room don't seem to mind. ...

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2015 Fuji Transonic Aero Road Bike Unveiled, Blends Feedback from Wind Tunnel, Riders & Mechanics - Bikerumor

2015 Fuji Transonic Aero Road Bike Unveiled, Blends Feedback from Wind Tunnel, Riders & Mechanics By Tyler Benedict - July 4, 2014 632 20 Facebook Twitter Google+ Pinterest WhatsApp Digg ReddIt StumbleUpon Email ...

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Aerodynamic Teardrop Trailer - Welcome to Don-Bur

The home of the fuelsaving, aerodynamic Teardrop trailer. Menu About Us About Us Who's who A brief history Contact details ... Wind-tunnel illustration Turbulence illustration Teardrop trailer Wind-tunnel illustration Turbulence illustration Fuel Savings ...

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Full-Scale Wind Tunnel Tests of Production and Prototype, Second-Generation Aerodynamic Drag-Reducing Devices for Tractor-Trailers

06CV-222 Full-Scale Wind Tunnel Tests of Production and Prototype, Second-Generation Aerodynamic Drag-Reducing Devices for Tractor-Trailers Jason Leuschen National Research Council, Ottawa, Canada Kevin R. Cooper National Research Council, Ottawa ...

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Reducing Aerodynamic Drag and Fuel Consumption

Reducing Aerodynamic Drag and Fuel Consumption Year 2002 statistics for combination trucks (tractor-trailers) on nation's highways * 2.2 million trucks registered 138.6 billion miles on nation's highways, 3-4% increase/yr 26.5 billion gallons diesel fuel consumed ...

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Mercedes creates "aero trailer" concept to improve big rig fuel efficiency - Autoblog

Every time you drive by a semi and feel your car get pushed away from the rig, it reinforces the reality that tractor trailers punch a big, ragged hole in the atmosphere. It takes a lot of power to force those big boxes through the wind, and Mercedes Benz is working to please both fleet operators

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Aerodynamic Drag Reduction of Class 8 Tractor-Trailers using External Attachments

• Wind tunnel bracket should be stiffer to avoid vibration. • More study is needed at more speeds for developing smooth curves ... Title Aerodynamic Drag Reduction of Class 8 Tractor-Trailers using External Attachments Author Mir Atiqullah and Emmanuel 8/15 ...

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The Yacht-inspired Caravisio camper concept

Unlike the tractor trailer-like boxes that the terms "camper" and "caravan" may make you think of, the Carivisio's shell design was put through intense wind tunnel testing to create superior aerodynamic performance. The pointed front-end is possible because of a ...

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Salient drag reduction of a heavy vehicle using modified cab-roof fairings - ScienceDirect

Cab-roof fairing (CRF) is one of the most widely used drag reduction devices installed at the roofs of trucks or tractor-trailers. ... The wind tunnel tests are performed in the POSTECH subsonic wind tunnel (closed-return type) with a test section of 4.3 ...

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New Mercedes SLS AMG 2010 Aerodynamic Testing - YouTube

New Mercedes SLS AMG 2010 Aerodynamic Testing duPontREGISTRY Loading... Unsubscribe from duPontREGISTRY? Cancel Unsubscribe Working... Subscribe ...

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NASA engineer calculates physics behind wind safety for semi trailers on Chesapeake Bay Bridge-Tunnel | Local News | pilotonline.com

The actual math is complex but the concept is simple: If the force of wind against the side of the truck is as strong or stronger than the force of

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AIAA 98-2621 - Department of Computer Science - Old Dominion University

AIAA-98-2621 American Institute of Astronautics and Aeronautics 2 Aircraft decelerate by deflecting flaps and spoilers, wheel brakes, and thrust reversers. Ground vehicles (e.g., automobiles, tractor-trailers, buses, trains, etc.) are also designed for low drag. In this

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DOE's Effort to Improve Heavy Vehicle Fuel Efficiency through Improved Aerodynamics

Continue to improve the aerodynamics of tanker trailers — Performed wind tunnel tests to validate the performance of aero devices and integrated design for tractor-trailers and tankers

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Design of a Tractor for Optimised Safety and Fuel Consumption

Design of a Tractor for Optimised Safety and Fuel Consumption Contents 3 Contents 1 Introduction..... 6 ... validated with wind tunnel tests in chapter 6.2. A guideline for new development activities of the industry to introduce an optimised front structure is given ...

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