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Meteor – hydrofoil.

 

 

Meteor – series of river passenger steam-ships on underwater wings. It is reliable, economical, high-speed vessels. As of 2017, Russia is the only country in the world to resume the serial hydrofoils, while maintaining and improving the technology of designing and building ships.

 

Description

Advantages

Technical characteristics of the vessel on underwater wings “Comet 120M” project 23160

 


Description:

Meteor – series of river passenger steam-ships on underwater wings, was developed by Rostislav Alexeyev.

The first experimental “meteor” was launched in 1959 and Serial production of the “Meteors” were established at the Zelenodolsk shipbuilding plant. A. M. Gorky. From 1961 to 1991 it was built more than 400 ships of this series.

The history of these ships originates in the early 1940s, when a student Alexeyev became interested in the subject and in 1941 he defended the diploma project on the theme of “Planing hydrofoil”.

In the project Alekseev used the effect malogruzovaja hydrofoil (sword of Damocles). Alekseev hydrofoil consists of two main horizontal load-bearing planes, one in front and one behind. Dihedral the angle at the toe or small, or absent, the distribution of the weight equally between the front and rear planes. Submerged hydrofoil, rising to the surface, gradually loses its lifting force, and at a depth about equal to the length of the chord of the wing, the lifting force approaches zero. Due to this effect is submerged wing unable to fully come to the surface. With relatively little hydroperoxy (sliding on the surface of the water), the liner is used to help with “out on the wing” and does not allow the ship to go back in displacement mode. These lockers are located in close proximity to the front struts and installed so that on-the-go touch the water surface, while carrying the wings submerged approximately at a depth equal to the length of their chord.

Due to the different flow velocities in accordance with Bernoulli’s equation on the upper surface of the underwater wing creates a vacuum, and lower high blood pressure – this leads to the formation of the lifting force. With decreasing depth the pressure on the upper surface of the wing increases, because in the border area there is a slowdown of the fluid particles, the result of the lifting force is reduced and the ship stabiliziruemost.

 


Advantages:

– reliable, economical, high-speed vessels

as of 2017, Russia is the only country in the world that has resumed the production of hydrofoils, while maintaining and improving technology for the design and construction of ships.

 

Technical characteristics of the vessel on underwater wings “Comet 120M” project 23160:

Sea passenger hydrofoil new generation of “Comet 120M” project 23160 designed for high-speed passenger traffic in the daytime in the cabin, equipped with chairs aircraft type.

Features: Value:
The class of vessel KM [2] SPK – A
Area of operation sea marine tropical climate R3-RSN (h in 3% 2.0 m)
Length overall, m 35,2
Breadth overall, m 10,3
Displacement, t 73,0
Draught overall afloat, m 3,5
Speed, knots at least 35
The crew, man 5
Seating capacity, persons: 120
• the business class cabin 22
• the economy class cabin 98
Power of engines kW 2 x 820
Fuel consumption per hour, kg/hour 320
Range of full displacement, miles 200
Endurance, hours 8
The distance from the port of refuge in the open seas, miles 50
Seaworthiness (wave height h3%), m <2,0 (wing mode) /2.0 to 2.5 (displacement)
Fuel consumption, kg/ h 320

 

Note: the description of technology on the example of the hydrofoil “Comet 120M” project 23160.