Status Micro-focused Small Angle Neutron Scattering CRP At RTP - - PowerPoint PPT Presentation

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Status Micro-focused Small Angle Neutron Scattering CRP At RTP

Presented at Presented at Presented at Presented at Legend Hotel, Kuala Lumpur Legend Hotel, Kuala Lumpur Legend Hotel, Kuala Lumpur Legend Hotel, Kuala Lumpur 02 02 02 02-

• 04 July 2009

04 July 2009 04 July 2009 04 July 2009 ABDUL AZIZ MOHAMED ABDUL AZIZ MOHAMED ABDUL AZIZ MOHAMED ABDUL AZIZ MOHAMED1

1 1 1, MEGAT HARUN AL RASHID MEGAT

, MEGAT HARUN AL RASHID MEGAT , MEGAT HARUN AL RASHID MEGAT , MEGAT HARUN AL RASHID MEGAT AHMAD AHMAD AHMAD AHMAD1

1 1 1, AZRAF AHMAD

, AZRAF AHMAD , AZRAF AHMAD , AZRAF AHMAD2

2 2 2 , ANWAR, RIZAL AND RAFHAYUDI

, ANWAR, RIZAL AND RAFHAYUDI , ANWAR, RIZAL AND RAFHAYUDI , ANWAR, RIZAL AND RAFHAYUDI JAMRO JAMRO JAMRO JAMRO1

1 1 1 1Materials Technology Group, Industrial Technology Division 2Integrity and Plant Assessment Group, Technical Services Division

Malaysian Nuclear Agency, 43000 Kajang, Selangor, Malaysia

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Micro Micro-

• focus SANS: IAEA

focus SANS: IAEA’ ’s CRP project scope s CRP project scope Scientific Scope Scientific Scope

• 1. Nanostructured alumina materials

characterization study

• 2. Neutron cooling
• 3. Neutron shielding

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Micro Micro-

• focus SANS: IAEA

focus SANS: IAEA’ ’s CRP project scope s CRP project scope Current Achievement and Results

MYSANS – enhamcement in electronic DAQ – interfacing method using GPIB-USB protocol, data treatment/analysis and easy movement of the flight – installed air lifting footers and collimator tubes. Cryostat – simulation results using 2-D & 3-D geometry using

• FEA. The result with 2D FEA modeling is accurate and mostly in

agreement with the result obtained through experimental. MCNP – basic simulation on MYSANS shielding setup. Sample – prepared and characterise using BATAN, SANS and

• ther related techniques, i.e. TEM, XRD.

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Workplan for 2008

No Programme / Activities MT1 MT2 MT3 Notes 3. Design of micro-focusing mirror and funding applications 4. Evaluation of parts/hardwares those to be purchased and fabricated 5. Setup, testing and verification of micro-focusing system and shielding performance No Programme / Activities MT1 MT2 MT3 Notes 4 Initial testing and system verification 5 Performance evaluation at various reactor powers

Nanostructured Material Characterisations Cooling System for Neutron Beam Conditioning

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Work for 2008

Cooling System for Neutron Beam Conditioning NP

Thermocouple- 4 terminals Super insulator- Alumanized mylar

Vacuum pump-turbo molecular pumping station The new liquid nitrogen container is a self- pressurized container.

The liquid tank is insulated with multilayer super insulator

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Work for 2008

GPIB-USB interface component Flight tube modification

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Workplan for 2008 – cont,

No Programme / Activities MT1 MT2 MT3 Notes 3. Simulation and estimation using MCNP for shielding system including collimator system, neutron source and neutron collimator 4. Evaluation of parts, hardware and materials to be purchased and fabricated 5. Setup, testing and verification of shielding performance evaluation

Shielding Calculation Using MCNP

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Workplan for 2009 – cont,

Shielding Calculation Using MCNP

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Workplan for 2009

Nanostructured Material Characterisations

No Programme / Activities MT1 MT2 MT3 Notes 1. Sample preparation, measurement at SANS facility in BATAN and data analyses and programming 2. Evaluation of existing reflection mirror design for focusing thermal neutron & shielding calculation (eg. MCNP) 3. Design of micro-focusing mirror, shielding components and funding applications – assistance from Hokaido University 4. Procurement preparation for parts/hardwares/materials to be purchased and fabricated

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Workplan for 2009 – cont,

Cooling System for Neutron Beam Conditioning NP

No Programme / Activities MT1 MT2 MT3 Notes 1 Implementation of heat transfer mathematical models and cryostat redesign parameters 2 Models discrimination and parameters estimation using Finite Element Analysis (FEA) & Computational Fluid Dynamic (CFD) software. (To model with 3D analysis and repeat experimental testing to verify our design and simulation data.) 3 Purchase of hardwares for cryostat modification

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Workplan for 2009 – cont,

Shielding Calculation Using MCNP

No Programme / Activities MT1 MT2 MT3 Notes 3. Expansion of the MCNP5 modeling to the whole SANS beam port and SANS facility. 4. Evaluation of parts, hardware and materials to be purchased and fabricated 5. Setup, testing and verification of shielding performance evaluation