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Steady state thermal-hydraulic models of pebble bed blankets on hybrid reactors

B.J Xiao, L.J Qiu1995年Fusion Engineering and DesignIF 1.7出版社

AbstractIn this paper we give thermal-hydraulic models of pebble bed. A code, THPBHR, developed by the present authors is briefly introduced. Radial cooling and poloidal direct cooling methods are given and discussed. The thermal-hydraulic calculations of them by THPBHR are given. Calculation results show that both cooling methods can meet the demands of blanket design. The heat transfer in the beds with poloidal cooling is better than with radial cooling, but the pressure drop is higher. The non-uniformity of outlet temperature is much higher with poloidal cooling.

日本語訳

本論文では、ペブルベッドの熱水力モデルについて述べる。著者らが開発したコードTHPBHRを簡単に紹介する。半径方向冷却方式とポロイダル方向直接冷却方式を示し、それらについて考察する。THPBHRによる熱水力計算結果を示す。計算結果から、両冷却方式ともブランケット設計要求を満たすことができることが分かる。ポロイダル方向冷却方式の方が半径方向冷却方式よりも熱伝達に優れているが、圧力損失は大きい。ポロイダル方向冷却方式では、出口温度の不均一性がはるかに大きい。

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Steady statePebble bedThermal-hydraulicsHybrid reactor
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