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
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