Vacuum transport: the key to long distance transport?

Transport and new transport: energy, pollution, engine innovations, concept car, hybrid vehicles, prototypes, pollution control, emission standards, tax. not individual transport modes: transport, organization, carsharing or carpooling. Transport without or with less oil.
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sen-no-sen
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Re: Vacuum transport: the key to long distance transport?




by sen-no-sen » 13/05/16, 11:13

The tables of Ademe take into account the filling rate of each mode of travel, it is for this reason, for example, that a minivan is considered less efficient than a sedan, while certain models can do as well as a TER.

The tables I put take into account energy efficiency in terms of the number of passenger-kilometres per liter of fuel, for a filling rate of 100% over a long distance. For electric vehicles, it is assumed that the electricity is produced in an oil-fired power station. In the case of the bicycle, it is the energy equivalent in liters of oil of the food which is indicated. © EDP Sciences
This one seems more representative to me.

With regard to maritime transport, it must be understood that on a liner of 4000 passengers, almost a third, or even half of the people transported are part of the staff on board!
Le Monarch of the seas for example, it is nearly 73000 tons for "only" 2400 passengers, or nearly 30 tons per passenger!
For comparison, a Corail car weighs 42 tonnes for 88 seats in second class.
It is however necessary to relativize its relations, because in an ocean liner, each passenger has a cabin, and the boat floats, which is hardly comparable to a car.
Ditto in a train the ratio is approximately 500 kg per passenger, but this one rolls on rails, resulting in largely reduced friction.
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chatelot16
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Re: Vacuum transport: the key to long distance transport?




by chatelot16 » 13/05/16, 14:50

ademe likes to present results that mix cabbage and carrots, which makes figures completely useless

what's the point of mixing the energy characteristic of a means of transport with the filling rate to make a useless figure if you don't know the separate figures

when I see the ter pass with 2 wagons near my house it is almost completely empty ... it must be said that most stations have been closed on this line ... what is the point of running trains if there is no not enough stations? and not enough train! because with 2 trains per day the schedules do not suit anyone ... but this is not a reason to give a poor energy performance to the ter

same remark for the comparison between small car and large minivan: when you have 6 people to transport it will be more efficient with a single minivan than with 2 small cars

even worse the figure in passenger km / liter of the single bike ??? in liters of what

we would need the figure of the goods transport boat and we would see that it is economical

cruise ships are not means of transport: they are floating leisure parks!

the real transatlantic liners were real means of transport and they disappeared in favor of the planes because the price of the hotel business to feed and house the passengers during the trip ended up costing more than the fuel consumed by the plane
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