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Source: http://de.123rf.com; Copyright: Songquan Deng

The 9th International Energy Conference REMOO      |     16-18 April 2019     |     HONG KONG

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Benchmark Task

Source: http://de.123rf.com; Copyright: Ivan Mikhaylov

Experimental data that will be used in the 2019 blind test have been obtained in a 4 by 4 rod bundle and include pressure drops along the bundle divided into six sub-sections, rod clad temperatures at fourteen elevations and coolant temperatures at six elevations. For analysed experimental case, steady-state initial and boundary conditions as well as transient forcing functions have been recorded together with above-mentioned parameters.

Some member of the Expert Committee will discus obtained calculation results in comparison to measured data with participant(s) during the conference, for those attending it. For others this will be made via emails. Experimental data will be sent after the conference to all registered participants for the benchmark.

An anonymous participation in the blind test benchmark is possible. To this end a potential participant should inform the organisers and provide a code name for himself/herself that will be known only to the participant and to the organisers.

Each participant will receive a Certificate of Participation and the best simulation will be awarded by a Trophy.

Registered benchmark participants will obtain:

The task of the participants will be to perform calculations based on provided data and to submit to the organisers the computed results at locations as specified, and using predefined format. In addition, short description of the used code(s) will be required. Selection of the calculation code(s) and tool(s) are free.

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Detailed description of the geometry of test section and internal structure of the heaters;

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Elevations of spacers , their geometry and estimated local pressure loss coefficient;

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Radial & axial power distribution within the test section;

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Spatial locations of heaters’ sections mounted with thermocouples;

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Measured inlet and steady state conditions;

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Layout of power units / heaters;

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The properties of relevant materials (specific heat, density and thermal conductivity, as well as thermal capacity) of the heaters and their dependency on temperature;

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Thermocouple types and their spatial positions;

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Measured variation of inlet and boundary conditions (power generation, as well as mass flow rate, pressure and enthalpy at the inlet of the test section) during simulated transient.

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