Slide 1

V andal E ngineers C reating C old T raps for R eactors Members: Jeff Haines, Jason Cyr, Dan Powers, Rob Richardson Mentor: Peter Britanyak Instructor: Dr. Jay McCormack Sponsor: Dr. Akira Tokuhiro

Slide 2

Design, develop and deliver a Test Section and Active Cold Trap for the Argonne National Laboratory small sodium loop. Project Goals Operate up to 500 o C Incorporate Invasive and External Transducer Interface

Slide 3

Collect Velocimetry Data Test Section Ultrasonic Transducer Interface ANL Small Sodium Loop Interface Control Impurity Levels in Sodium Loop Active Cold Trap Lower Temperature

Slide 4

Test Section Features Calculations Cold Trap Features Calculations Testing Future Work Test loop at Argonne National Laboratory

Slide 5

FUNCTIONAL REQUIREMENTS Measure Velocity Measure and Control Temperature Interfaces with Test Loop DESIGN PARAMETERS Acoustic Transducer Measurement Temperature Controlled Test Section Meets Argonne Standards and Uses Existing Fittings

Slide 6

Ultrasonic Transducer Doppler Shift Waveguide Reflector Plate

Slide 7

LIMIT CONTROLLER Omega CN700 Series Compatible with Type K Thermocouples TEMPERATURE CONTROLLER Omega CN740 Series Displays Actual and Set Temperatures Compatible with Type K Thermocouples

Slide 8

Omega SWH351-060 Ribbon Heater Capable of 1881 W Maintain flow of 500 o C Alumina-Silicate Inswool Blanket Designed for high temperature applications

Slide 9

Heat lost to environment ~ 15% Input 468 W to maintain 500 o C 25 minutes to raise sodium temperature from 350 o C to 500 o C with 1881 W heater

Slide 10

Swagelok VCR Face Seal Fittings Test Section as 304 Stainless Steel End Plates made of 14 Gauge Stainless Steel

Slide 11

FUNCTIONAL REQUIREMENTS Remove Impurities Lower Temperature Filter Reintroduce Impurities Mechanical Vibration Passive Heating Interfaces with test loop DESIGN PARAMETERS Cold Trap/Cold Surface Release Mechanism Meets Argonne Standards and Uses Existing Fittings

Slide 12

Cold Trap and Heat Exchanger as Separate Units 3.6 L total volume 304 Stainless Steel construction

Slide 13

System requires 29kW heat removed to reduce sodium from 500 o C to 130 o C Economizer Double pipe heat exchanger Joule-Thompson Cooling Nitrogen gas

Slide 14

Filter design Mesh Sizes 200 micron 176 micron 75 micron Interface

Slide 15

Electric motor with offset weight Bolts to tube protruding into Cold Trap Vibrations generated shake particles loose

Slide 16

Transducer Signal Checking Heater Control and Feedback J-T Cooling Array Inactive Filtration Activeness of Release Mechanism

Slide 17

Test Section and Cold Trap Testing ASME Code Installation and Integration