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beryllium pebble control

Thermal conductivity of compressed beryllium pebble beds

2006年2月1日  New results are presented for the thermal conductivity k of compressed beryllium pebble beds. The pebble beds consisted of 1 mm NGK pebbles and are representative for dense pebble beds (packing factors γ ≈ 63.5%).

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Handling of beryllium - ScienceDirect

1998年10月1日  In order to characterize the thermomechanical behavior of beryllium pebble beds and their heat transfer coefficients experiments have to be performed, in

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Beryllium Pebbles Preparation and Modeling of Rotating Electrode ...

2017年3月17日  The pebbles once formed are kept in levitated condition in the chamber for achieving near-perfect spherical shape. This paper also focuses on beryllium

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Modeling of chemical reactions of beryllium/beryllide

2018年11月1日  We present a new phenomenological model of the reaction behavior of the beryllium/beryllide pebble with the steam. The model consists of the equations of the

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Synthesis of Beryllium Pebbles Using Plasma Rotating Electrode

2018年4月18日  Beryllium is used as neutron multiplier in the form of a pebble bed. Basic characteristics of the beryllium pebbles are required to the design of blanket. From this

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Experimental Investigation and Analysis of the Effective Thermal ...

2003年7月15日  Beryllium, in its pebble form, has been proposed in various blanket concepts to serve different purposes. Thermal property data for such a heterogeneous

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Thermal and mechanical properties of beryllium pebbles

1995年3月1日  It is possible to fabricate 0.3 1.2mm diameter beryllium pebbles by controlling the arc current and velocity of the rotating electrode. Diameters and the

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Synthesis of Beryllium Pebbles Using Plasma Rotating Electrode

Abstract Beryllium is used as neutron multiplier in the form of a pebble bed. Basic characteristics of the beryllium pebbles are required to the design of blanket. From this

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Measurements of the Thermal Conductivity of Compressed

effective thermal conductivity of pebble beds, especially for beryllium pebbles in helium atmosphere because of the large ratio of beryllium conductivity to gas conductivity.

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