DEVELOPMENT OF A HORIZONTAL BATH CHAMBER FOR IN VITRO MATERIAL TESTS
Introduction
Methods
Home/Abstract
Poster
Cost
Results
Conclusions
Results:

Chamber Results

Horizontal Bath Chamber

Logistics:

  • Top loading
  • Easy maintenance
  • Acrylic

Dimensioned Layouts:

  • Fabricated by Taylor Plastics Fabrication Specialist (11x5x5in)
  • Modifications to the lid to accommodate the thermocouple by the Chemical Eng. Machine Shop
Heating Chamber

Logistics:

  • Air tight chamber
  • 4 cartridge heaters
  • 4 Teflon® compression fittings
  • Acrylic construction

Dimensioned Layouts:

  • Fabricated by the Chemical Eng. Machine Shop (3in dia & 4in tall)
Flow Results

Tuskin 010 Peristaltic Pump
Specifications:

  • Flow rate (1050 mL/min)
  • Corrosion resistantant
  • Can maintain sterility
  • Easy to operate

Diffuser

  • Induced laminar flow by corrugated plastic diffuser

Laminar flow

  • Verifed by the use of food dye
  • Considerable flow retardation
  • Determined that laminar, non-mixed flow was achieved
Heating Results

Omega CN4321 Process Controller
Autotuning PID control
Economical
Accurate ( 0.5 % full scale)

Vulcan Thunderbolt Cartridge Heater
Corrosion Resistant
Incoloy sheath
150 W
2 sets in series in parallel

Omega Teflon Coated Type T Thermocouple Probe
Corrosion resistant
Pre-bent
Copper-Constantan

Omega Solid State Relay
Minimize mechanical relay

Heating Tests Results

Determined
22 minutes to reach target temperature
0.2° C variation in mid-tank temperature
0.5° C gradient across the tank

Salinity Results

Overnight passive evaporation test
Determined
Lost 2.7 in3 out of 200 in3 (1.4 % )
Salinity increased 0.03% from 0.9 % Saline


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Last modified 13 November 2000

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