Showing posts with label helicopters. Show all posts
Showing posts with label helicopters. Show all posts

Wednesday, October 11, 2023

Many companies are working to develop portable nuclear reactors (PoNu) to replace diesel generators.

 Many companies are working to develop portable nuclear reactors (PoNu) to replace diesel generators. 


Work with compact and powerful nuclear reactors continues. The reactor's purpose is to replace diesel generators fit in trucks. That means they can be used in multiple systems, from fixed power plants to ultimate power sources for ships, trains, and aircraft. And even trucks and tanks. The reason why those small-size nuclear reactors are under development is that. 

These kinds of systems decrease carbon emissions. Another reason why those systems are under development is that modern weapon systems like direct energy weapons, which means microwaves and lasers require electric power. Also, coherent high-power radio waves that are used to deliver electricity to drones remotely through air require a trusted and powerful power source. The portable nuclear reactors can changed same way as batteries. 

And if some ship or aircraft uses portable nuclear reactors. Operators can just put it in its place and connect with electronics and electric systems using fast connection. The operators must just connect electric wires to the reactor. And then that system delivers electricity to the vehicle. That kind of system can be on the deck and deliver electricity to the ships and aircraft. The liquid helium can keep those system's temperatures lower. 


Highly radioactive, superheavy isotopes as fuel make it possible to create man-portable nuclear reactors. 


If the system can use an extremely small nuclear reactor as a power source. It can make it possible to create even nuclear-powered helicopters that can fly for years. The crew is the limit in the flight time of that nuclear-powered helicopter. In automatic mode, the helicopter like a nuclear-powered aircraft can fly even for years.  

In the 1950s and 1960s, U.S. Army and Air Force tested nuclear-powered tanks and aircraft. The nuclear-powered Convair NB-36H and Chrysler TV-8 tanks were interesting projects. Also, the Soviets tested nuclear-powered aircraft like the nuclear-powered Tu-95 Bear-class nuclear bomber during the Cold War. And today Russians are working with nuclear-powered "Skyfall" missiles. The plasma-electric jet engines also make it possible to create super, and hypersonic nuclear-powered aircraft. 


A portable nuclear reactor. In the artist's vision. Those modular systems can connect to series. And that means portable reactors that work as the entirety can deliver electricity to a large area. 




NB-36H



TV-8



TU95 LAL (Nuclear-powered Tu-95) 




Ford Nucleon




Hypothetical "Aurora"




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Could the mysterious "Aurora" be a nuclear-powered aircraft? That can use antimatter "afterburner"? 


So could the legendary "Aurora"-system the small-size nuclear reactor that uses the arc-jet engine. The arc-jet engine is an engine system that uses electric arcs to expand propellant. 

That small nuclear reactor can make antimatter "afterburner" possible. The idea is that the small reactor pushes particles against a thin gold layer. And that thing can turn those particles into antimatter. That can give an extremely powerful punch to aircraft. 


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Ford also created the Ford Nucleon the family car with a nuclear reactor. And maybe the new nuclear technology makes those things a reality. If developers want to aim tanks with high-power laser, and microwave mixture weapons they need a power source. And a nuclear reactor will be a good solution. 

The man-portable nuclear reactor can act as a weapon. If the radiation protection is removed from a certain part of the system. That system sends highly radioactive radiation and ionized particles in the desired direction. 


The new TRISO fuel makes that system safe. The highly radioactive elements make those reactors small. 


The new type of nuclear fuel is called TRISO, where nuclear material is closed in graphite and silicon carbide. That thing makes those reactors safer than traditional reactors. The fuel in TRISO balls or capsules can be uranium, but it can also use higher radioactive synthetic elements like plutonium, neptunium, or even einsteinium. 

The super-heavy elements require a system that is near zero-kelvin degrees temperature. And the liquid helium is the answer to that problem. The system adjusts the fission speed by adjusting the temperature. If the reactor uses weapon enrichment in plutonium or some even heavier and more radioactive elements. That means the reactor's size would be so small, that one man can carry it. 

https://energypost.eu/micro-nuclear-reactors-up-to-20mw-portable-safer/

https://interestingengineering.com/innovation/new-electric-jet-engine-actually-works-inside-the-atmosphere


https://radiantnuclear.com/


https://www.reuters.com/world/us/westinghouse-unveils-small-modular-nuclear-reactor-2023-05-04/


https://en.wikipedia.org/wiki/Aurora_(aircraft)


https://en.wikipedia.org/wiki/9M730_Burevestnik


https://en.wikipedia.org/wiki/Chrysler_TV-8


https://en.wikipedia.org/wiki/Convair_NB-36H


https://en.wikipedia.org/wiki/Ford_Nucleon


https://en.wikipedia.org/wiki/Nuclear_fuel


https://en.wikipedia.org/wiki/Small_modular_reactor


https://en.wikipedia.org/wiki/Tupolev_Tu-95LAL


Saturday, June 9, 2018

The new type of helicopters are not new ideas


Picture I

Kimmo Huosionmaa

The problem with the helicopters is that they are not very fast, in the comparison between aircraft, and the second thing is that sometimes helicopters are so noisy. When the SWAT-team would land on the roof of the building, they normally want the operate silent, or that's what normal people think because that allows them to make surprise attack to space, where the target is.


If the helicopter would be hit by weapons, it should land safely, and that's why there should be used the autorotation if there would be problems with engines. Autorotation is the thing, what is used in the "Autogyros", and it means that the rotor of the helicopter would let rotate freely, what would be slow the dropping speed. The same system, what makes helicopters safe in the landing situation, makes it silent. The idea of the Autogyro is not new. In the medieval time were created the toys, what were landed slow, when they were thrown in the air.

NACA (National Advisory Committee for Aeronautics)
 Autogyro from the year 1931
Picture II

Those rotor-toys gave an idea to Juan de Gierva to make the worlds first Autogyro. In the movie "007 and the Moonraker" James Bond used Autogyro against bad guys helicopters, and in some rumors,  the CIA and MI-6 have those small Autogyros, what are equipped with "Stinger" missiles and lightweight anti-tank weapons like Bofors RBS-56 "Bill". Also, light machine guns can be used in this thing, what could be effective against some drug baron. Those lightweight aerial vehicles can be also used in mercenary-operations around the world.

Picture III


If the rotor of the helicopter would be equipped with the connector, what is used in cars, the pilot can turn the power off from the main rotor, and then the helicopter would land without noise. But when we are thinking about Autogyros, we can build them to look like the normal helicopter. When the Autogyro is going airborne, the power would be connected to the main rotor, and the system acts like the normal helicopter. And when the pilot wants to fly fast, the power would switch off the main rotor, when the helicopter would increase the speed.


But when we would want to make the helicopter, what can fly as fast as the airplane, we would face the problem, that the main rotor would not stand the speed. This is why there have been created the system, what is known as the "disc rotor". That system is actually the disc what increases like the pancake when the speed of rotor would increase, and when the speed of rotor would decrease, the size of the disc would decrease. This would give a chance to make faster helicopters or Autogyros than ever before.

Sources

https://en.wikipedia.org/wiki/Autogyro

https://en.wikipedia.org/wiki/Pitcairn_PCA-2

Film of disc rotor in action

https://www.youtube.com/watch?v=d8AEfFZXG1c

Picture I

https://taskandpurpose.com/wp-content/uploads/2017/04/Screen-Shot-2017-04-20-at-6.15.24-PM-840x420.png

Picture II

https://upload.wikimedia.org/wikipedia/commons/9/9b/The_Pitcairn_Autogiro_%289467667452%29.jpg

Picture III

https://i.ytimg.com/vi/d8AEfFZXG1c/hqdefault.jpg

https://crisisofdemocracticstates.blogspot.com/

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