no use ??? for building space station first they got show that they capable of sending humans to the space and bringing them back safely ,
Nuclear propulsion is space is not a done by using a nuclear reactor... even the smallest marine reactor is too big for a satellite or spacecraft... what they use is called a radioisotope thermoelectric generators RTG.Whatever but I was talking about using nuclear propulsion for deep space penetration.
For example, a very small nuclear blast was planned for Chandrayaan 2 earlier to put in space.
System in rover is completely and may be way more complex.
Meanwhile, Voyagers used that blast mainly. New Jet Propulsion lab of India has also opportunity here to demonstrate it's capability.
I think we still needs time to make nuclear rovers but we are well positioned to launch a spacecraft like Voyager in near future.
Check out my Post #1634 of the thread. In the first link, ISRO chief says that a very small nuclear reaction will take place under the spacecraft to throw it out of the atmosphere.
Well, that's it.
Quite possible... RTG can be good for deep space mission. Although, I still think it is possible to do without them.. at least to Jupiter as JUNO just did. The supply of Pu 238 is very low in the world, if BARC is working on a alternate isotope then it's fine.. otherwise it will make the probe very expensive... Could you give me the source?
exactly !! u read my reply in parts.. i said its of no use unless there is a plan of space station....chinese did it right.. they sent humans and quickly followed by space station missions.. it wasnt just a showcase for them.. they planned it well ..
It's pointless man.
this ISOTOPE generator/dubbed as nuclear generator that that you mentioned is just for supplying electric power .. in voyager it is used to keep the craft warm and to power its antenna/communication system..There is no way this generator is a propulsion device.. Voyager has no propulsion s/m, its relying just on the thrust that it got from TITAN lauch rocket.Nuclear propulsion is space is not a done by using a nuclear reactor... even the smallest marine reactor is too big for a satellite or spacecraft... what they use is called a radioisotope thermoelectric generators RTG.
RTG is basically a unstable radioactive isotope stored in pellet form which decays to produce heat... that heat is used to keep the spacecraft warm and a small part of the heat is turned into electricity using thermoelectric effect in a thermocouple...
RTG Structure:
Radioactive Pellet Example: Plutonium pellet
The reason ISRO has no plans for building RTG is because we don't have an abundant supply of such isotopes to use on spacecrafts... even NASA avoids using them now a days... Proper Nuclear fission reactor will only be useful for a huge spacecraft that can be used to transport massive amount goods and people to say somewhere like MARS (eg the spacecraft hermes in Martian movie had a nuclear reactor) otherwise it's too much of an overkill. Both Voyagers used a Plutonium RTG.
the whole article that you pointed from the begining is directed on increasing the life span of chandrayaan 2 by powering the rover by nuclear reactor (the way voyager is powered or curiosity is powered ) .. no where it talked about nuclear propulsion, i think u understood in wrong sense,no offence, please tell me which line is pointing to that??
u didnt get it . yea sapce station is not ready . space station is not bulit in a month or year.. first u develop a space capsule .. then increase its size and life support from days to month.. then from month to few more months.. u learn docking etc.. then slowly n gradually u have a sapce station.. chinese have manged to increase the life support, size of capsule, learnt docking.. now they have just to assemble the big tanks in space.. Done..It's pointless man.
China sent humans in space in 2003 and their space station isn't ready yet. They are having Taikonauts flying in joined modules.
They had CZ-3 and 4 etc. for that, we are having GSLV Mk3. Capable of making "incomplete" space station that China has today. So, "it is not useless at all."
iran sending humans to the space by 2021 ???
just google about it.. what i read last time... they have developed a space capsule for that.. tested animals.. going good.. even if they achieved human space flight.. whats the point of doing it..!!
They are just announcing it.. They are also building a stealth fighter too by the way.. I doubt though they would be able to achieve either of those target... While I like Iranians, but their government is just bullshiting.
Yeah it's just a power source.. I didn't articulate well but there is no "nuclear propulsion" anyway I guess... unless we count the Project Daedalus style propulsion. But we could imagine using a ion propulsion with a RTG if we have a proper isotope.
Understood your concerns. So, nobody is enough stupid to send humans in space before any dedicated plan.
Fund is a big issue for them.
Yes! thnx some one got what i meant.. PROJECT DAEDALUS ,..thnx once again for reminding about the project.. nuclear propulsion is just Hypothetical ,International space community will never permit it.
Aisa bhi nahi hai ki I hate or dislike Pakistanis, Aapne toh aise hi assume kar liya sir. Normal Pakistani se mera kya pangaa. Government ke tante alag hai.... Iranians se bhi kya pangaa waise hi.
It was a very stupid idea anyways... it could never enter orbit around a star .. it would have only been a fly by.. that too for a enormous expenditure.
u didnt get my point.. i said "even if" they achieve a proper space flight .. whats the point.. it will be just a showcase.. no vision..
