Diver Monitoring Systems, On-Line and Portable for Thermal and Metabolic Measurements

Physiological evaluation of diver performance required designing a portable diver monitoring system (P-DMS) for field use and an on-line diver monitoring system (O-DMS) for laboratory studies. For P-DMS and O-MDS, measurement requirements were similar: digit temperature (fingers/toes), body core tem...

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Bibliographic Details
Main Authors: Braun, James R., Sterba, John A.
Other Authors: NAVY EXPERIMENTAL DIVING UNIT PANAMA CITY FL
Format: Text
Language:English
Published: 1990
Subjects:
Medicine and Medical Research
Life Support Systems
*TEST AND EVALUATION
REQUIREMENTS
MEASUREMENT
TEMPERATURE
LABORATORY TESTS
CORES
MONITORING
REAL TIME
FIELD TESTS
METABOLISM
OXYGEN
PROFILES
THERMISTORS
PHYSIOLOGICAL EFFECTS
PRESSURE
LOW LEVEL
INSTRUMENTATION
CIRCUITS
ONLINE SYSTEMS
RESPIRATION
CONNECTORS
HEAT FLUX
HEART RATE
BOTTLES
DIVERS
SOLID STATE ELECTRONICS
UNDERWATER
SPRINGS
ARCTIC REGIONS
WATERPROOFING
FEET
OXYGEN CONSUMPTION
BAGS
BODY TEMPERATURE
YELLOW(COLOR)
FINGERS
THERMAL PROPERTIES
PERFORMANCE
THERMAL BALANCE
Arctic
Online Access:http://www.dtic.mil/docs/citations/ADA230030
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA230030
Description
Summary:Physiological evaluation of diver performance required designing a portable diver monitoring system (P-DMS) for field use and an on-line diver monitoring system (O-DMS) for laboratory studies. For P-DMS and O-MDS, measurement requirements were similar: digit temperature (fingers/toes), body core temperature (esophageal/rectal), heart rate, and oxygen bottle pressure to determine oxygen consumption (VO2) using closed circuit underwater breathing apparatuses. Components of the P-DMS, reviewed in detail, include: solid-state data logger (Grant Instruments), waterproof bag with low-profile connector, special design miniaturized digit thermistors (Yellow Springs Instruments). Data can be stored, on multiple runs, up to 12 hours. Results from field testing in the Arctic and laboratory are discussed. The O-DMS provides real-time monitoring and computer acquisition of data from two divers for: digit/core temperatures, 12-site skin temperature and heat flux, and oxygen bottle pressure for VO2.

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