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Originally posted by buddhasystem
Spacecraft are light-colored objest, as I pointed out, for a reason.
Originally posted by buddhasystem
There are two strategies of reducing the dose -- you either keep the shell very light so there aren't a lot of showers, or use massive shields,
My offer stands - when I come visit LAS I'll treat you to a beer. Maybe I should not make this offer public...but you are interesting, and I'd love to pick your brain. Ooops, that sounds terrible, but I hope you know what I meant. Cheers
Originally posted by buddhasystem
I'm sorry I didn't look for sources in English and stayed with the original text.
Originally posted by buddhasystem
Now, this link explains that there was so little gear running inside the Poluys that they had to paint it black to keep temperature in the right range :
Originally posted by zorgon
That's okay I already went through all this in the other thread anyway... this...
Originally posted by johnlear
Originally posted by buddhasystem
So the sun doesn't produce any heat that would warm the spacecraft?
Thanks again for the information and your post.
I'm glad that Zorgon pulled up that Polyus link because it nicely illustrates that the thermal energy balance within the craft depends on both amount of solar energy absorbed AND the heat generated by the craft's systems. At it should be.
Capt, not sure where to find the cigars...they're not Cuban, are they?
I know Bill Cosby is a cigar afficionado (afishianodo? how the heck do you spell that word, anyway??) and he stores some of his cigars here in DC. If only I could meet him too...
Originally posted by weedwhacker
Capt, not sure where to find the cigars...they're not Cuban, are they?
Originally posted by weedwhacker
You started this thread for a reason, and I think I threw it off. Please accept my apology for that.
Creator/Author Kulcinski, F.L. ; Santarius, J.F.
Publication Date 1987 Sep 01
OSTI Identifier OSTI ID: 5226365
Report Number(s) AD-A-189234/8/XAB
Resource Type Technical Report
Research Org Wisconsin Univ., Madison (USA)
Subject 220800 -- Nuclear Reactor Technology-- Propulsion Reactors ;700200 -- Fusion Energy-- Fusion Power Plant Technology; SPACE PROPULSION REACTORS-- FEASIBILITY STUDIES;SPACECRAFT POWER SUPPLIES;TMR REACTORS-- SPACECRAFT POWER SUPPLIES; CHARGED PARTICLES;DEUTERIUM;EFFICIENCY;HELIUM;HELIUM 3;LAUNCHING;MAGNETIC MIRRORS;PROGRESS REPORT;PROTONS;RADIOACTIVITY
Related Subject BARYONS;DOCUMENT TYPES;ELECTRONIC EQUIPMENT;ELEMENTARY PARTICLES;ELEMENTS;EQUIPMENT;EVEN-ODD NUCLEI;FERMIONS;FLUIDS;GASES;HADRONS;HELIUM ISOTOPES;HYDROGEN ISOTOPES;ISOTOPES;LIGHT NUCLEI;MAGNETIC MIRROR TYPE REACTORS;MOBILE REACTORS;NONMETALS;NUCLEI;NUCLEONS;ODD-ODD NUCLEI;OPEN PLASMA DEVICES;POWER REACTORS;POWER SUPPLIES;PROPULSION REACTORS;RARE GASES;REACTORS;SPACE POWER REACTORS;STABLE ISOTOPES;THERMONUCLEAR DEVICES;THERMONUCLEAR REACTORS
Description/Abstract The preconceptual design of a Space Orbiting Advanced Fusion Power Reactor (SOAR), which delivers up to 1000 MWe for at least 600 s from an orbited mass of about 500 tonnes, was accomplished.^The power is produced by a magnetically confined D-3He plasma.^Approximately 96% of the fusion energy is in charged particles, and a direct converter has been designed which converts much of this energy into electricity at high net efficiency (about 80%).^An advanced shield design allows SOAR to deliver approximately 2 kilowatts of electricity for every kilogram of material orbited.^The shield is designed to absorb all rejected heat during operation, and no active radiator is required.^The SOAR reactor concept is designed to allow rapid startup and shutdown procedures.^The lack of radioactivity on launch and the low radioactive inventory after operation make the SOAR concept attractive from maintenance, safety and environmental perspectives.^The plasma physics approach extrapolates from the present plasma physics and fusion technology knowledge base using concepts which can be tested on existing or near-term devices.^The symbiosis of burst mode requirements, D-3He tandem mirror fusion reactor characteristics, and the space environment leads to a very high performance design concept.
Country of Publication United States
Language English
Format Pages: 57
Availability NTIS, PC A04/MF A01.
Originally posted by rockets red glare
Iv'e offten wondered why they couldn'r sink up better with ISS on launches.