S.H.A.R.K.

Design brief

S.H.A.R.K. project is a new approach on climate change research. The aircraft is capable of flying at least 168 hours in an altitude of over 22 kilometers in a range with a radius of 5 kilometers while carrying a payload of at least 30 kilograms. The operating of jet planes and airships flying in high altitude is rather costly, and their operating times are highly limited, while the movement of meteorological balloon systems is uncontrollable, thus they are not suitable for such tasks.

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Design concept

Shark Airship Shuttle is the mixture of a traditional airship and an airplane. It is capable of hovering as an airship and also capable of gliding by decreasing the buoyancy. The fuel is provided by hydrogen, which also provides the buoyancy. Both the burning of the hydrogen and the water that is produced in the process as a byproduct decrease the buoyancy, which creates kinetic energy. The craft can glide using this, when it is required by the wind situation, so that the craft can hold its position in the appointed range. Following this, the water can be separated into hydrogen and oxygen using the electricity produced with the help of the solar cells, restoring the buoyancy. Furthermore, the Shark system is equipped with a water collecting membrane, which is capable of distracting the low water content of the atmosphere, or even higher amounts from the stratosphere, this way making up for the water loss gap between the burning and the electrolysis.

The innovation

The innovation is based on the realization that the appropriate technologies are paired with the ambient characteristics of the stratosphere:

Sunshine

The energy balance of sunshineis some 37 per cent higher than that of the troposphere, and the rate of sunshine in daylight is 100 per cent, therefore the efficiency of solar panel cells, and the energy made by outer and inner temperature caused by greenhouse effect is by far more efficient.

Temperature

Cold ambient temperature makes it possible for the air heated by the greenhouse effect to be cooled down efficiently so that we can gain further amounts of water for the production of hydrogen gas.

Air pressure

On a low level of air pressurebetter indicators of effective electrolysis can be achieved, and so more gas can be produced with somewhat lower amount of electricity.

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Deployment possibilities

This new type of aircraft makes stratospheric flight possible more efficiently and in a cheaper way than any other craft ever before. It makes it possible to observe storms from a local position, dispensing of Wi-Fi signal, as well as the concentrated, long-term surveillance of the ozone layer.

-    storm observation
-    dispensing of Wi-Fi signal
-    research of the ozone layer
-    disaster control and surveillance

Advantages

-   recyclable
-   low operating costs
-   long flight time

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How it works

The basic element of the system is the electrolyzer, the gas burner and the water distiller. While the first one is responsible for the production of the gas, the latter two serve as water producing elements in the cycle. Using the whole variety of renewable energy sources, the heating of air is done by the burning of the gas besides the greenhouse effect, while the energy required for electrolysis is provided by the solar panels and the batteries powered by them. In the case of insufficient buoyancy, and when the wind movement decreases up to no movement at all, the Shark, in order to keep its altitude, can utilize its electric motors for the time period until the electrolysis produces enough gas to restore the buoyancy.