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Modular Aircraft Design Presented at Paris Air Show
Scientific Computing ^ | Mon, 06/10/2013 - 5:58am | Anne-Muriel Brouet

Posted on 06/12/2013 11:27:45 AM PDT by null and void

The Clip-Air project envisions an airplane consisting of a single flying wing onto which capsules carrying passengers or freight can be attached. More than a new type of flying device, its innovative concept could revolutionize the airports of the future.

Go to the train station to take the plane. Board on a capsule to reach the airport by rail, and then - without leaving your seat - fly to another city. The Clip-Air project, being developed at EPFL since 2009, envisions a modular aircraft consisting of a flying wing onto which it is possible to attach one, two or three capsules as required. Its concept allows us to take a glimpse at the air transportation of tomorrow, which is meant to be more flexible, closer to our needs, more efficient and less energy-consuming. For the first time, a model of the Clip-Air plane will be presented at the Paris Air Show from 17 to 19 June 2013.

Despite its being a very futuristic project, the scientists behind it work under rigorous constraints to maintain its technical feasibility. "We still have to break down several barriers but we do believe that it is worth to work in such a concept, at odds with current aircraft technology and which can have a huge impact on society," said Claudio Leonardi, in charge of the Clip-Air project.

The Clip-Air project’s main contribution would be to provide rail transport’s flexibility to air transport. On the one hand, the Clip-Air plane includes a support structure made up by the wing, engines, cockpit, fuel and landing gear. On the other hand, there is the load to be carried: passengers and/or freight. Hence, the capsule would be equivalent to a real airplane’s fuselage, but without its usual attributes. The flying wing can accommodate up to three capsules with a capacity of 150 passengers each.

New generation fuel


Theoretical studies show Clip-Air’s potential in terms of transportation capacity thanks to a more efficient and flexible fleet management, a more efficient loading rate, increased flexibility of supply and the possibility of no more empty flights. Further advantages would come from savings in maintenance, storage and management.

Clip-Air also aims to address current environmental concerns as wells as the objectives set by the ACARE (Advisory Council for Aeronautics Research in Europe) to reduce by 50% CO2 emissions by the year 2020. Clip-Air aircrafts’ conventional fuel consumption would be reduced since they can carry as many passengers as three A320 with half the engines. In other words, flying with three modules under the same wing in a 4000 km flight would be cheaper - in terms of fuel consumption - than three aircrafts of the same capacity flying independently and with equal speed and altitude.

Then again, Clip-Air’s ambition also envisages other types of fuels, less polluting than the ones currently consumed. Several possibilities (liquid hydrogen, biofuels and conventional fuel) have been studied and have demonstrated the relevance of modular structures in terms of overall consumption.

A revolution in mobility


A Clip-Air aircraft could fit in an airport as it is conceived today. With its autonomous capsule, the size of a railroad car - about 30 meters long and 30 tons heavy - its design is compatible with rail tracks. Therefore, it could eventually revolutionize airport configuration and multimodal mobility. The boarding of either cargo or passengers in the capsule could be done not only at airports but also directly in rail stations or production sites.

In technical terms, initial studies have shown that the project is feasible, even though there are still many challenges ahead. “The development of the concept requires performing more advanced aerodynamic simulations and testing a 6 meters long flying model powered by mini-reactors in order to continue to explore the concept’s flight performance and to demonstrate its overall feasibility”, added Claudio Leonardi.

For now, a 1.20 meters long model of the Clip-Air plane will be presented at the Normandy Aerospace stand at the Paris Air Show, from 17 to 19 June 2013. At the moment the project involves researchers from three EPFL laboratories (TRANSP-OR, LIV and ICOM). It is coordinated by EPFL’s Transportation Center.


TOPICS: Culture/Society
KEYWORDS: aerospace; airshows; paris
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Air travel as containerized freight.

Still an improvement over going through TSA...

1 posted on 06/12/2013 11:27:45 AM PDT by null and void
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To: null and void

Man, can you imagine how much sitting would be involved?

It’s an interesting concept though.


2 posted on 06/12/2013 11:30:47 AM PDT by DoughtyOne (Give me your tired, your hungry..., wait, we've got them. They're our citizens... What about them?)
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To: DoughtyOne

If I don’t have to walk between locations, give me a bed, not a seat.


3 posted on 06/12/2013 11:39:43 AM PDT by thackney (life is fragile, handle with prayer)
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To: null and void

No more ‘running through airports’...jumping waiting area seats and stuff?


4 posted on 06/12/2013 11:40:36 AM PDT by onedoug
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To: null and void

Spam in a can..........


5 posted on 06/12/2013 11:40:54 AM PDT by Average Al ( Our founder fathers never knew we could fail due to a Techtatorship.)
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To: onedoug

Of course when your “module” gets routed to Benghazi instead of Bermuda it might be a bit inconvenient....


6 posted on 06/12/2013 11:42:20 AM PDT by nascarnation (Baraq's economic policy: trickle up poverty)
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To: thackney
In the Fifth Element they put the passenger to sleep for the trip. Now there's an idea...
7 posted on 06/12/2013 11:44:17 AM PDT by DoughtyOne (Give me your tired, your hungry..., wait, we've got them. They're our citizens... What about them?)
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To: null and void

This would be cargo only. It is too expensive to make all those modules passenger aircraft certified and pre-flight verified. But as a cargo concept it has merit. Handling/transfer time is the big savings; loose the exotic fuel concept.


8 posted on 06/12/2013 11:45:23 AM PDT by Revolutionary ("Praise the Lord and Pass the Ammunition!")
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To: null and void

It may have 1/2 the engines, but it has over 2X the drag.

Dumb concept designed to separate governments from their (other peoples) money.

An A320 only uses 2 engines at Take off and climb (10 minutes out of a 2 hour flight). After the first 10 minutes, it could fly on one engine. This thing looks like it needs all three engines just to stay in the air.

4X the frontal area has 4X the drag of a conventional plane.


9 posted on 06/12/2013 11:45:51 AM PDT by UNGN (I've been here since '98 but had nothing to say until now)
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To: null and void
IMO, Containerized freight works well for rail and ship because of the relative lack of weight restrictions. With containers, you always have a higher weight of the vehicle relative to the weight of the freight. Even with trucks, the weight of an empty conainer, plus the weight of the trailer that carries the container, is several thousand pounds more than the weight of an empty semi trailer alone.

With airplanes, weight is even more of a problem.

10 posted on 06/12/2013 11:52:00 AM PDT by j. earl carter
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To: null and void

Makes good sense for freight if you can move the same container between ship/truck/aircraft, but I see no advantage for human transport over simply taking a conventional means of travel to the airport, unless the humans in question are captives....


11 posted on 06/12/2013 11:52:39 AM PDT by Trod Upon (Every penny given to film and TV media companies goes right into enemy coffers. Starve them out!)
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To: null and void

12 posted on 06/12/2013 11:58:56 AM PDT by Yosemitest (It's Simple ! Fight, ... or Die !)
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To: Yosemitest

Makes me glad that I’m old enough now that I don’t ever have to go through an airport to use a plane. America would be better off if the entire industry shut down and we the people used trains instead ... sans the cop-a-feel patrol of the oppressive government.


13 posted on 06/12/2013 12:06:30 PM PDT by MHGinTN (Being deceived can be cured.)
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To: Revolutionary

As usual, cargo and military (pre-loaded modules carrying equipment and supplies) would lead the way on something like this. Just as the American military did with jumbo jets back in the 60’s with competition among Boeing (747) McDonnell Douglas (DC-10) and Lockheed (L-1011). Interesting concept.


14 posted on 06/12/2013 12:09:06 PM PDT by katana (Just my opinions)
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To: MHGinTN

Feel free to ride all the LameTrack you desire.

I’ll stick with the air transport mode.


15 posted on 06/12/2013 12:09:06 PM PDT by nascarnation (Baraq's economic policy: trickle up poverty)
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To: MHGinTN

11 days St. Louis to LA. Sure, that’s good.


16 posted on 06/12/2013 12:10:27 PM PDT by steve8714 (Any homosexual man can marry any woman he wants. Just like the President.)
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To: null and void

Fine for Europe. Not so much here.


17 posted on 06/12/2013 12:13:11 PM PDT by steve8714 (Any homosexual man can marry any woman he wants. Just like the President.)
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To: null and void
Yeah, worked pretty well that time.

/sarc


18 posted on 06/12/2013 12:15:40 PM PDT by wastedyears (I'm a gamer not because I choose to have no life, but because I choose to have many.)
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To: nascarnation

If you have ever traveled in Europe or Japan, modern and properly organized high speed train travel (short and medium distances) is a pleasure compared with what you have to deal with at airports. And when you add up all the time getting through check-in, security, boarding, tarmac wait, flight, landing delays, off loading among people who have apparently never flown, baggage claim, waiting on a bus or taxi, and the trip into town from an airport 20 miles out in the country there’s not much difference in when you get to your ultimate destination.


19 posted on 06/12/2013 12:16:31 PM PDT by katana (Just my opinions)
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To: MHGinTN

I totally agree .. can’t get me on a plane anymore.

Of course, one reason might be the metal plate and 2 screws holding my foot to my leg .. but I just will not give them an excuse to molest me.


20 posted on 06/12/2013 12:19:26 PM PDT by CyberAnt ("America is the greatest nation on the face of the earth" (in spite of BO))
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