Search


PDF Archive search engine
Last database update: 16 January at 18:13 - Around 76000 files indexed.


Show results per page

Results for «airfoils»:


Total: 9 results - 0.016 seconds

project1 100%

In this project, your objective is to design two “best” airfoils for the fairing using PROFOIL, MFOIL, and XFOIL.

https://www.pdf-archive.com/2017/10/05/project1/

05/10/2017 www.pdf-archive.com

BOUNDARY LAYER CALCULATION METHODS AND APPLICATION TO AERODYNAMIC PROBLEMS 99%

Illustration of slats and flaps of an airplane and corresponding lift and drag Effects of the boundary layer on the pressure distribution and the lift characteristics of single airfoils .

https://www.pdf-archive.com/2019/09/23/untitled-pdf-document-4/

23/09/2019 www.pdf-archive.com

Wing Optimization (1) 97%

While satisfying this pitching moment constraint does constrain the airfoil performance, making this airfoil have overall higher drag as compared to airfoils with similar lift, I believe it is worth it, as stabilizing a flying wing can be extremely challenging.

https://www.pdf-archive.com/2018/10/18/wingoptimization-1/

18/10/2018 www.pdf-archive.com

Specifications 95%

Features and benefits • Patented airfoil system includes six airfoils and cuffed winglets that maximize performance and efficiency • Industrial-grade motor and gearbox offers efficient, reliable and durable operation • Weighs less than 145 lb (65.8 kg) allowing for easy positioning and installation • Factory-wired motor and controller cable with optional power cord plug • Perfect for spaces up to 70 x 70-ft (21.3 x 21.3-m) and ceilings as low as 14-ft (4.3-m) • Year-round energy savings, up to 10° cooling effect in hot weather and 1% energy savings per foot of ceiling height in cold weather The unique aerodynamic design enhances both energy efficiency and airflow by eliminating vortex formation at the airfoil tips.

https://www.pdf-archive.com/2016/06/24/specifications/

24/06/2016 www.pdf-archive.com

Installation Guide 82%

The fan will be installed so that the airfoils are at least 10 ft (3.05 m) above the floor.

https://www.pdf-archive.com/2016/06/24/installation-guide/

24/06/2016 www.pdf-archive.com

Warranty 59%

BIG ASS FANS WARRANTY Big Ass Fan® 2025 Big Ass Fan® 3025 Big Ass Fan® 3600 Big Ass Fan® 4900 Hub and airfoils Motor, drive, controller All other components Lifetime (parts)* 1 year (parts) 1 year (parts) * “Lifetime” means a period ending seven (7) years after Big Ass Solutions discontinues manufacturing the product, as such period is defined by Big Ass Solutions, but in no event shall this period be less than the one year from the date that the Warranty Period commences.

https://www.pdf-archive.com/2016/06/24/warranty/

24/06/2016 www.pdf-archive.com

rapport (1) 42%

M. Letaief and S. Dhouib D.

https://www.pdf-archive.com/2015/11/02/rapport-1/

02/11/2015 www.pdf-archive.com