Porous modelling of AGRs pod boilers with Code_Saturne.

46 Pages·2015·5.42 MB·English

Porous modelling of AGRs pod boilers with
Code Saturne.
Jacopo De Amicis, Juan Uribe
EDFEnergyR&DUKCentre,
ModellingandSimulationCentre,UniversityofManchester
02 April 2015
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 1/16
Context
Life extension of AGRs in the framework of target 0/9/65:
0 harm;
9 years life extension;
65 TWh/y generated within the life extension.
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 2/16
Context
Life extension of AGRs in the framework of target 0/9/65:
0 harm;
9 years life extension;
65 TWh/y generated within the life extension.
Critical components for life extension:
graphite bricks in nuclear reactors;
pod boilers.
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 2/16
Context - Pod Boilers
GoBack
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 3/16
Context - Pod Boilers
GoBack
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 3/16
temperatures of 9% Cr tubes fin tips
steam superheat temperature difference
Context - Pod Boilers
Critical aspects:
temperatures at material transitions welds
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 4/16
steam superheat temperature difference
Context - Pod Boilers
Critical aspects:
temperatures at material transitions welds
temperatures of 9% Cr tubes fin tips
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 4/16
Context - Pod Boilers
Critical aspects:
temperatures at material transitions welds
temperatures of 9% Cr tubes fin tips
steam superheat temperature difference
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 4/16
temperature distribution in the Pod Boiler;
investigation of boiler spine thermocouples;
effect of modifications to original configuration.
Objectives
Development of a simplified 3D model of the gas side AGRs Pod
Boilers.
Information provided by the model:
fluid flow and heat transfer;
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 5/16
investigation of boiler spine thermocouples;
effect of modifications to original configuration.
Objectives
Development of a simplified 3D model of the gas side AGRs Pod
Boilers.
Information provided by the model:
fluid flow and heat transfer;
temperature distribution in the Pod Boiler;
J.DeAmicis,J.Uribe (R&DUKCentre) CFDPodboilers Apr2015 5/16