²³⁸PuO₂ Fuel and Dosimetry [electronic resource]

• Ngôn ngữ: eng
• Ký hiệu phân loại: 238.2 Creeds, confessions of faith, covenants, catechisms
• Thông tin xuất bản: Washington, D.C : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of the Assistant Secretary for Defense Programs ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2016
• Mô tả vật lý: Size: 16 p. : , digital, PDF file.
• Bộ sưu tập: Metadata
• ID: 258416
• Chủ đề: 1. 07 isotope and radiation sources; 2. 61 radiation protection and dosimetry; 3. Daughter products; 4. Oxygen 17; 5. Plutonium 238

Tóm tắt

 <
 sup>
 238<
 /sup>
 Pu is an ideal material for use as a heat source with its half-life of 87.7 years and copious particle emissions. <
 sup>
 238<
 /sup>
 Pu radioisotope thermoelectric generators (RTGs) have found use for pacemakers, Apollo Space missions, Mars rovers, and Voyager spacecraft. In evaluating the dose to personnel and components near a <
 sup>
 238<
 /sup>
 Pu-based RTG, a number of additional nuclides and their daughter products must be considered to get an accurate estimate for ?-dose, and the amount of <
 sup>
 17<
 /sup>
 O and <
 sup>
 18<
 /sup>
 O for the neutron-dose must be considered. This paper looks at the contributing nuclides and their daughter products that add the most to the dose rates.