HYDROGEN & METHANOL - ENERGY STORAGE
ALL ABOUT THE CLEAN 'QUEEN OF THE SEAS' - YOUTUBE EDUCATIONAL TECHNOLOGY SERIES
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V2 JANUARY 2024 - This is a CAD drawing for a revised main hull @ 2800mm with 1870mm outriggers (D4 43.72kg) proof of concept model
RENEWABLE HYDROGEN IS POTENTIALLY AN EFFICIENT REPLACEMENT FOR FOSSIL FUELS
A kilogram of hydrogen can produce around 33.4 kilowatt-hours (kWh) of energy. Regular Gasoline produces produces about 10 kWh of energy per litre. And Diesel: 1 liter of diesel produces about 11 kWh of energy. On average, a modern diesel engine can convert around 30-40% of the chemical energy in diesel fuel into mechanical energy that reaches the wheels. This means that from the 11 kilowatts produced by 1 liter of diesel, only about 3.3 - 4.4 kilowatts might make it to the wheels of a car or ship's propeller.
One liter of
methanol produces around 5 kilowatt hours (kWh) of energy.
The Methanol to Hydrogen conversion assumes a 10% energy loss in converting methanol to hydrogen, we have 5 kW * 0.9 = 4.5 kW of hydrogen produced. We must then allow for Fuel Cell Efficiency at around 50%, we get 4.5 kW * 0.5 = 2.25 kW of electrical power. And electric motor efficiency at around 95%, we have 2.25 kW * 0.95 = 2.1375 kW of mechanical power.
Thus, 2.1375 kilowatts of energy from 1 liter of methanol would reach the wheels of a car or propeller of a ship.
Meaning methanol tanks need to be roughly twice the size of conventional
diesel tanks.
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TECHNOLOGY
SHORT VIDEOS (SERIES 1)
TRANSCRIPTS in FRENCH and ENGLISH
FRENCH
[VISUEL]
Narrateur (voix off) : « L'Elizabeth Swann a l'objectif de faire le tour du monde grâce aux énergies renouvelables, en s'orientant vers l'hydrogène vert. »
[VISUEL]
Narrateur : « L'hydrogène est un carburant propre et efficace, mais le stocker en grande quantité peut être difficile. L'hydrogène liquide et gazeux nécessite des cylindres à haute pression lourds et coûteux, ou des réservoirs cryogéniques à température négative. »
[VISUEL]
Narrateur
: « Le méthanol offre une alternative pratique. Il a une densité
énergétique élevée, ce qui signifie que nous pouvons stocker plus
d'énergie dans un espace plus petit. De plus, c'est un liquide à
température ambiante, ce qui le rend plus facile et plus sûr à
remplir et à transporter sur les longues distances, sans exigences
particulières en matière de réservoir. »
Narrator: "Hydrogen is a clean and efficient fuel, but storing it in large quantities can be challenging. Liquid and gaseous hydrogen requires heavy and expensive high
pressure cylinders, or sub zero temperature cryogenic tanks."
Narrator: "Methanol offers a practical alternative. It has a high energy density, meaning we can store more energy in a smaller space. Plus, it's a liquid at room temperature, making it easier
and safer to refill and transport for the long distances required, with no special tank
requirements."
YOUTUBE
SERIES ONE TITLES UNDER DEVELOPMENT 2024
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Presentation @ Sussex Bay launch, Brighton Dome 13 June 2024
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