Heliotorr

HELIOTORR TM  Project

Lenticular  Airships

Size of the airship: 60m-100m diameter, with a payload (15 to 75 tons) which is directly proportional to the airship’s volume at ground level, less the general structure, including propulsion and equipments. One m3 of Helium can lift one kg. Therefore, an airship of 100,000 m3 of Helium could transport 100 tons. However, taking into account the 25 tons of the airship’s own weight, the actual payload would be 75 tons.

HELIOTORR will be providing services to industries:

1. Transportation:

  • Heavy structures (dismantling of factories, parts of bridges, oil rigs, chimneys, etc.) and equipments (engines, turbines, generators, filters, etc.)
  • Trucks, door to door
  • Large quantities of drinkable water
  • Hazardous wastes and chemicals that cannot be transported safely by road, rail or sea

2. Surveillance and monitoring:

  • National hydrology map
  • Hydroelectric plants
  • Geophysical assessments
  • Forest and brush fire surveillance and, subsequent, combat, with Hybrid Heliotorr (Helium and air).
  • Telecommunications
  • Rescue missions over land and sea
3. Capabilities of the lenticular  HELIOTORR

The lenticular shape of HELIOTORR has been demonstrated to be the best shape (aerodynamics studies of an 8 meters diameter model) in speed wind tunnel testing to move in air, including in  atmospheric perturbation zones with wind of 120 km/h, without any structural damage, even in the case of oscillator mode.

The payload capability is assumed by Helium gas (He), which is a non inflammable mono-atomic gas, weight of 4 compared to the average atmospheric molecular weight of 78.084% N2 – 20.947% O2 (28.84)

One m3 of Helium can lift approximately one kg  under standard conditions (temperature and room pressure – 15°C/288.15°K / 1013 mb). A mole of gas occupies a volume of 22.4 liters at 1-atm pressure and 273.15°K. Helium density is d He: 0.0001785 g/cm3.

Helium is considered a “noble gas” since it is difficult to associate the Helium atom (1s2) to another atomic element.

On Earth the air composition is as follows:
Standard conditions 1013 mb  and 288.15 °K (15°C) sea ground level .

 Name  
 symbol molecular or atomic 
 Percent by Volume
Nitrogen  
 N2  78.084 %
Oxygen                     O2                         
 20.9476 %
Argon       
 Ar
 0.934 %
Carbon dioxide 
 CO2                                           0.0314 %
Neon 
 Ne                                              0.001818 %
Methane
 CH4  0.0002 %
Helium  He  0.000524 %
Krypton  Kr  0.000114 %
Hydrogen  H2  0.00005 %
Xenon  Xe  0.0000087 %

The airship’s movements and capabilities respond to the general laws of physics, dynamics and thermo-dynamics, whereby air is considered as a deformable fluid and the airship as a solid subjected to the earth’s gravity within the context of the medium. Thus, the general equations of hydro-dynamics  can be applied to the airship’s mathematical model (specialized matrices). Consequently, the capabilities of the airship depend on the medium’s quality and its perturbation by the solid dynamic state of the airship. The distribution of the field forces varies with regard to the partial anisotropy state (when in movement) and to the partial isotropy state (when the airship is grounded, without oscillator mode). Within a context of environmental stress, the lenticular shape of the airship attains greatest stability in comparison to other shapes tested.

HELIOTORR will be constructed with advanced composite materials, including, some parts of the engine, in Boron Nitride (BN3), and specialized polymers, because the only defect of Helium is its relative diffusion in materials (such as the Helium holding tank) and, because of temperature differences inside and outside of the HELIOTORR the diffusion could be accelerated if classic membranes are utilized. Therefore, the Helium pressure needs to remain constant or diminished by a calculated percentage. The required pressure can be attained with additional liquid Helium stocked in the HELIOTORR or at the airship’s reception base.

The propulsion of the HELIOTORR is obtained by hybrid mode: electric supply power (silicon cells) and fuel cells. One small top region of the HELIOTORR will be equipped with silicon cells providing electric current for general flight control, monitoring and radio transmissions. The fuel cells will provide energy for electric propulsion and emergency situations. The propulsion engine will be low velocity turbines, with four D freedom, to move the HELIOTORR correctly. The propulsion will be coupled with a predictor program monitored by the on-board pilots. Within a predictive context, the flight can be automatically undertaken, with the exception of arrival and start-up operations.

HELIOTORR airships will be constructed within a customized context, responding to a given client’s specific needs, including: required payload; volume; lenticular criteria; mass structure; coupling equipment (payload and airship); propulsion, hybrid or He only; equipments; monitoring; protection; autonomy; velocity; pilots and mechanics, and insurances.

General observations:

The HELIOTORR airship can fly at several altitudes (300 m to 2,000 m) and transport easily 15 to 75 tons, at an average velocity of 120 km/h. The volume of the airship can be between 30,000 m3 and 100,000 m3. With appropriate power supply (direct silicon quantum converter and fuel cells), the airship has several days of autonomy.

Dr. Christian Daniel Assoun
 

 

    


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