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| Title: | The Behavior and Capabilities of Lithium Hydroxide Carbon Dioxide Scrubbers in a Deep Sea Environment. |
| Authors: | Jaunsen, JR |
| Keywords: | SCRUBBERS
HYDROXIDES
LITHIUM COMPOUNDS
DIAMETERS
INJECTION
RATIOS
TEMPERATURE
SPACECRAFT
ENVIRONMENTS
MODELS
CHEMICALS
MATERIALS
CARBON
MOISTURE CONTENT
FLOW RATE
ABSORBERS(MATERIALS)
LENGTH
SPACE SHUTTLES
CIRCUITS
ABSORPTION
DEEP OCEANS
UNDERWATER
DIVING
OCEAN ENVIRONMENTS
CARBON DIOXIDE
CANISTERS
COASTAL ENGINEERING |
| Issue Date: | 1989 |
| Publisher: | NAVAL ACADEMY ANNAPOLIS MD |
| Citation: | ADA216268 |
| Abstract: | Lithium Hydroxide (LiOH) is the principal chemical absorbent used as a carbon dioxide scrubber material by NASA in the shuttle spacecraft. LiOH scrubbers are now being proposed for the Navy's newest an most advanced mixed- gas, closed circuit diving rig, the EX 19, designed for long-term, convert diving operations. Although extensive investigations have been conducted in the past dealing with carbon absorption by LiOH scrubbers in outerspace conditions, relatively little is known about the process in the underwater environment. The objective of this project was to investigate the absorption of metabolically- produced carbon dioxide by lithium hydroxide scrubbers under constraints unique to the deep sea diver. An experimental mock-up of a closed circuit diving rig was constructed in the Coastal Engineering Laboratory and used to conduct this study. Several parameters, including initial moisture content, flow rate through the canister. canister length-to-diameter ratio, carbon dioxide injection level, and ambient temperature, were varied. The time of breakthrough was recorded for each test and compared to theory, yielding plots that show several relationships in CO2, absorption, the greater part of which may be correlated with past studies. |
| Description: | Citation Status: Active; Citation Classification: Unclassified; Title Classification: Unclassified; Report Classification: Unclassified; Identifier Classification: Unclassified; Abstract Classification: Unclassified; Distribution Limitation(s): 01 - APPROVED FOR PUBLIC RELEASE; Information provided by the Department of Defense and the Defense Technical Information Center (http://www.dtic.mil/) is considered public information and may be distributed or copied unless otherwise specified. Use of appropriate byline/photo/image credits is requested. |
| Gov't Doc # : | ADA216268
USNA-TSPR-157 |
| URI: | http://archive.rubicon-foundation.org/4998 |
| Appears in Collections: | Naval Academy
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Description |
Size | Format |
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| ADA216268.pdf | | 3452Kb | Adobe PDF | View/Open |
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