[TTJDeals] The Ultra-Premium Mac Bundle

Your take on Getting a SmartWatch?

View Results

Loading ... Loading ...
1 Star2 Stars3 Stars4 Stars5 Stars (Rate This)
Loading...Loading...

Researchers at MIT, using a generous grant from NASA, have come up with a way to revolutionize aircraft design for the 21st century. If adopted, the designs will result in a drastic improvement in aircraft fuel consumption, cutting it by 70%. MIT’s designs — dubbed D series and H series — are part of a $2.1 million research contract from NASA to develop the next generation of subsonic airplanes (separate grants were given to Boeing and Lockheed Martin to design supersonic concepts).

Competing with designs from GE Aviation, Boeing and Northrop Grumman, the object was to create a passenger jet that burns 70 percent less fuel, cuts emissions of nitrogen oxides by 75 percent, takes off from shorter runways, and reduces sound pollution.

MIT’s solution: A “double bubble” architecture that relies on a dual fuselage design — that is, two cylindrical structures placed side by side to make up the fuselage rather than a single tube-and-wing structure (such that a cross section would resemble two soap bubbles fused together). The design allows for a wider, shorter fuselage that should help passenger loading and unloading as well as increase seating capacity.

But the real innovation is in the engine placement. Rather than wing-mounted turbines that scoop up the untouched fast-moving air away from the fuselage, the tail-mounted D series engines suck up the slower-moving air coming off the wake of the fuselage. This Boundary Layer Ingestion (BLI) technique allows less fuel to be burned while generating the same amount of thrust, allowing the D series design to hit the 70 percent fuel reduction goals outlined by NASA.

NASA envisions aggressive designs like the D series taking flight by 2035, when air traffic is expected to double from current levels. To bridge the gap, MIT also mocked up an H series plane based on the same design principles but using current jet technology and conventional aluminums that achieves a 50 percent fuel burn and could serve as an alternative until something like the D series becomes standard.

There are drawbacks to both designs of course. The rear engine layout would increase engine stress, and both planes would travel about 10 percent slower than a 737. But given the fuel savings and reduced runway real estate needed to launch and land the D series, a small concession in flight time sounds pretty reasonable.

Source: Popular Science.


Man Builds Ultra-realistic Homemade Iron Man Suit

This Is The New Look Of Microsoft’s Hotmail
You can also press the left/right arrow key on your keyboard to go to previous/next post
  On May 18, 2010(4 years, 9 months ago.)

Recent Products

Buy Now | Compare  
Buy Now | Compare  
Buy Now | Compare  
Buy Now | Compare  
Compare  

What Do You Think?

Loading Disqus Comments ...
Loading Facebook Comments ...

FTC Disclosure: Some of the links of this website are "affiliate links." This means if you click on the link and purchase the item, we will receive an affiliate commission.


Recent Search

Recent Tutorials

Our today’s tutorial is about how to change Font on Android.
Here is the tutorial about how to setup MMS on Android device.
In this tutorial I will show you how to enable Instant Upload inside your Google+ app on Android, so that you can sync your photos and videos with Google+ instantly.
Here is another tutorial for the Android lovers. I will show you how to change keyboard on Android.
Here is our new android tutorial on how to change the default launcher on Android.
Here is the tutorial about how to setup Internet settings on Android device.
Today, We are going to show you a tutorial on how to disable Geotagging on Android.
here is our new Android tutorial on how to change default music player on android
The tutorial will help you to add multiple Google Account on your Android device.
Here we will show how you could Jailbreak Any iPhone Or iPad On Latest Firmware iOS 8.1.2. Keep reading.
Close You Have To Login
User:
Pass:
Login With »Login With TwitterLogin With Facebook