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YANG SHUNHAI Institute of Atomic Energy, P. O. Box 275, Beijing. CALCULATION RESULTS AND EXPERIMENTAL TESTING OF DOPPLER FEEDBACK COEFFICIENTS[J]. Atomic Energy Science and Technology, 1989, 23(2): 1-1. DOI: 10.7538/yzk.1989.23.02.0001
Citation: YANG SHUNHAI Institute of Atomic Energy, P. O. Box 275, Beijing. CALCULATION RESULTS AND EXPERIMENTAL TESTING OF DOPPLER FEEDBACK COEFFICIENTS[J]. Atomic Energy Science and Technology, 1989, 23(2): 1-1. DOI: 10.7538/yzk.1989.23.02.0001
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CALCULATION RESULTS AND EXPERIMENTAL TESTING OF DOPPLER FEEDBACK COEFFICIENTS

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    • Abstract
  • The Doppler feedback coefficients are calculated by the interpolation andgroup collapsing method from multigroup self-shielding factors and infinite dilu-tion cross sections rather than effective resonance integrals by using resonancedata base. Since many updated sets of multigroup data are in existence to be se-lected, the calculation process can be simplified. The heterogeneous effects aretaken into account by equivalence relation. The computer code of Doppler feedback coefficients is created on computerCYBER-825 and PDP-11. The results calculated are in good agreement with theexperiments.
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