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