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首页> 美国政府科技报告 >Meaurement of Two-Phase Flow at the Core/Upper Plenum Interface for a PWR Geometry Under Simulated Reflood Conditions.
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Meaurement of Two-Phase Flow at the Core/Upper Plenum Interface for a PWR Geometry Under Simulated Reflood Conditions.

机译：在模拟回流条件下测量压水堆几何中心/上压力通风界面的两相流。

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The Instrument Development Loop (IDL) Program is part of the International 2D/3D Refill and Reflood Experimental and Analytical Research Program. The two major objectives of the IDL Program were to simulate expected flows at the core/upper plenum interface during the reflood phase of a postulated LOCA and to develop and calibrate instrumentation systems for mass flow measurement at the core/upper plenum interface. Three experimental facilities were used in these studies: a one-bundle air/water loop, a three-bundle air/water loop, and a one-bundle steam/water loop. Three flow regimes were identified and studied: all liquid down, counter-current flow and cocurrent flow in which both gas (or vapor) and liquid go up.

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