General-purpose Heat Source Safety Verification Test Series PDF Download
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Author: Daniel Pavone
Publisher:
ISBN:
Category : Thermoelectric generators
Languages : en
Pages : 44
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Book Description
Author: Daniel Pavone
Publisher:
ISBN:
Category : Thermoelectric generators
Languages : en
Pages : 44
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Book Description
Author: Timothy G. George
Publisher:
ISBN:
Category : Radioisotope heat sources
Languages : en
Pages : 52
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Book Description
Author: Daniel Pavone
Publisher:
ISBN:
Category : Thermoelectric generators
Languages : en
Pages : 0
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Book Description
Author: Timothy G. George
Publisher:
ISBN:
Category : Nuclear fuel claddings
Languages : en
Pages : 23
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Book Description
Author: Timothy G. George
Publisher:
ISBN:
Category : Space vehicles
Languages : en
Pages : 28
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Book Description
Author: Timothy G. George
Publisher:
ISBN:
Category : Space vehicles
Languages : en
Pages : 0
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Book Description
Author: Timothy G. George
Publisher:
ISBN:
Category : Radioisotope heat sources
Languages : en
Pages : 0
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Book Description
Author: Theresa A. Cull
Publisher:
ISBN:
Category : Nuclear fuel claddings
Languages : en
Pages : 35
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Book Description
The General-Purpose Heat Source (GPHS) is a modular component of a radioisotope thermoelectric generator (RTG) that will provide electric power for space missions. The initial RTG applications will be for the NASA Galileo and the ESA Ulysses missions. Each of the 18 GPHS modules in an RTG contains four 238PuO2-fueled clads and generates 250 W/sub (t)/. A series of Safety Verification Tests (SVTs) has been conducted to assess the ability of the GPHS fueled clads to contain the plutonia in accident environments. Because a launch pad or postlaunch explosion of the Space Transportation System Vehicle (space shuttle) is one conceivable accident, the SVT plan included a series of tests to simulate the fragment environment that the RTG and GPHS modules would experience in such an event. These tests deal specifically with the flat-on collision of flyer-plate-type fragments with bare, simulant-fueled (depleted UO2) clads. Results of these tests suggest that the fueled clad is only minimally breached by collision with 3.53-mm-thick flyer-plate-type fragments of space shuttle alloy at velocities up to 1170 m/s. However, collision of a 38.1-mm-thick plate with a bare GPHS clad, at a velocity of 270 m/s, results in a total release of fuel.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The General-Purpose Heat Source (GPHS) is a modular component of a radioisotope thermoelectric generator (RTG) that will provide electric power for space missions. The initial RTG applications will be for the NASA Galileo and the ESA Ulysses missions. Each of the 18 GPHS modules in an RTG contains four 238PuO2-fueled clads and generates 250 W/sub (t)/. A series of Safety Verification Tests (SVTs) has been conducted to assess the ability of the GPHS fueled clads to contain the plutonia in accident environments. Because a launch pad or postlaunch explosion of the Space Transportation System Vehicle (space shuttle) is one conceivable accident, the SVT plan included a series of tests to simulate the fragment environment that the RTG and GPHS modules would experience in such an event. These tests deal specifically with the flat-on collision of flyer-plate-type fragments with bare, simulant-fueled (depleted UO2) clads. Results of these tests suggest that the fueled clad is only minimally breached by collision with 3.53-mm-thick flyer-plate-type fragments of space shuttle alloy at velocities up to 1170 m/s. However, collision of a 38.1-mm-thick plate with a bare GPHS clad, at a velocity of 270 m/s, results in a total release of fuel.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The radioisotope thermoelectric generator (RTG) that will provide power for the Galileo and Ulysses space missions contains 18 General-Purpose Heat Source (GPHS) modules. Each module contains four 238PuO2-fueled clads and generates 250 W(t). Because the possibility of launch-pad or postlaunch explosion exists and because any explosion would generate a field of high-energy fragments, the fueled clads within each GPHS module must be able to survive fragment impact. In this test series we investigated the response of bare, simulant-fueled (UO2) clads to the impact of high-energy titanium alloy fragments. We determined that 425m/s is the threshold impact velocity of a 3.25-g titanium bullet that will cause direct mechanical failure of a bare fueled clad. 40 figs.
