As nuclear is already used on aircraft carriers, and with a major cargo ship not having a large crew including guests so it can be properly scrutinized and managed by engineers, why hasn’t this technology ever carried over for commercial operators?
Similarly for hydrogen, why (or are?) ship builders not trying to build hydrogen powered engines? Seeing the massive size of engines (and fuel) they have, could they make super-sized fuel cells and on-board synthesizing to no longer be reliant on gas?
In: Engineering
There’s no point in making a ship hydrogen powered. Hydrogen isn’t really seen as a fuel but rather a battery. You have to put a lot of energy into making hydrogen or extracting it and thus you can’t get as much energy out as what you put into making it in the first place. You might as well just skip the hydrogen and use the power source to power your ship directly.
Nuclear is really expensive and isn’t trusted in the hands of normal people because even small scale reactors can be used to do a lot of damage if used wrong.
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