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Effects Of Microclimate Cooling On Physiology And Performance While Flying The Uh 60 Helicopter Simulator In Nbc Conditions In A Controlled Heat Environment
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Book Synopsis Effects of Microclimate Cooling on Physiology and Performance While Flying the UH-60 Helicopter Simulator in NBC Conditions in a Controlled Heat Environment by :
Download or read book Effects of Microclimate Cooling on Physiology and Performance While Flying the UH-60 Helicopter Simulator in NBC Conditions in a Controlled Heat Environment written by and published by . This book was released on 1992 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of microclimate cooling on aviator performance and physiology in nuclear, biological, and chemical (NBC) individual protective equipment (IPE) were evaluated in the USAARL UH-60 research flight simulator. Sixteen male aviators flew the simulator in two temperature conditions, 95 deg F and 105 deg F, both at 50 percent relative humidity (RH). Two thermoelectric conditioning units were used, one providing cooled blown air, the other cooled water to the aviators. At each temperature, they flew for up to 6 hours in NBC IPE with no cooling, air cooling, and liquid cooling. There was an extra condition at 105 deg F when vent air with no cooling was blown through the air vest, making a total of seven test conditions. There were significant improvements in flight performance as a result of the cooling, more so at the higher temperature. Also, there were differences between the two cooling systems at 105 deg F, with the air system producing significantly lower flight error rates. Survival time was based on the length of time each subject stayed in the condition before reaching physiological withdrawal criteria (rectal temperature of 39 deg C or heart rate of 150 beats per minute for 15 minutes) or exercising their option to retire early. There were considerable increases in survival time with the use of microclimate cooling. The mean survival time at 95 deg F was increased to 385 minutes with the liquid system from 285 minutes without cooling. At 105 deg F to 333 minutes for the air system from 79 minutes with no cooling, the improvement was even more dramatic. There were significant differences between the two cooling systems at 105 deg F with the air system producing longer survival times.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Resource Utilization and Development by : Shri Kamal Sharma
Download or read book Resource Utilization and Development written by Shri Kamal Sharma and published by Northern Book Centre. This book was released on 1992 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: The relationship between resources and development is the pivot around which the present study revolves. Focussing on the process of resource creation and utilization it emphasizes the need of equitable development integrating local needs, resources, people and functions. The resource exploitation and their utilization are two independent economic activities influenced by different algorithms and usually have manifested in core-periphery relationship. Reviews the persistent problems of economic development in perspective of exploitation of natural resources with the objective to provide some clues for occurrence and persistence of regional disparities and for suggesting a development model synchronising both the resource management and environmental protection.
Book Synopsis Performance Effects of Chemical Warfare Antidotes by : John A. Caldwell
Download or read book Performance Effects of Chemical Warfare Antidotes written by John A. Caldwell and published by . This book was released on 1992 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The DTIC Review written by and published by . This book was released on 1999 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Aerospace Medical Panel. Symposium Publisher : ISBN 13 : Total Pages :330 pages Book Rating :4.:/5 (31 download)
Book Synopsis The Support of Air Operations Under Extreme Hot and Cold Weather Conditions by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Aerospace Medical Panel. Symposium
Download or read book The Support of Air Operations Under Extreme Hot and Cold Weather Conditions written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Aerospace Medical Panel. Symposium and published by . This book was released on 1993 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : Extreme temperatures, both hot and cold, can severely restrict the ability of aircrew and support personnel to accomplish their missions. Under emergency conditions of bail-out, ejection and ditching of fixed or rotary-wing aircraft on land or in water, the survival rate of aircrew and passengers is also affected by the intensity of thermal stress experienced and the duration of exposure to the thermal stress. This has all recently been borne out by the experience of intense air operations in the Gulf War. This symposium reviewed the operational conditions experienced under extreme hot and cold weather. The papers presented at this Symposium highlighted recent advances in thermal physiology, clothing sciences, personal flying equipment, and microclimate cooling. Emphasis was placed on the potential applications of these advances in situations where thermal stress, or the expectation of thermal stress, may confound the efficient achievement of mission objectives
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aerospace Medicine and Biology written by and published by . This book was released on 1993 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1993 with total page 1452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Military Medicine written by and published by . This book was released on 1998 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the Royal Naval Medical Service by :
Download or read book Journal of the Royal Naval Medical Service written by and published by . This book was released on 1999 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of a Passive Microclimate Cooling System on Human Thermoregulation in the Heat at Rest by : J. H. Heaney
Download or read book The Effects of a Passive Microclimate Cooling System on Human Thermoregulation in the Heat at Rest written by J. H. Heaney and published by . This book was released on 1995 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of a Palm Cooling Device and a Cooling Vest During Simulated Pilot Heat Stress by :
Download or read book The Effects of a Palm Cooling Device and a Cooling Vest During Simulated Pilot Heat Stress written by and published by . This book was released on 2007 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: A cooling vest (CV) and a Rapid Thermal Exchange (RTX(Registered)) hand cooling device were tested in a thermal chamber simulating aircrew pre-flight walk around at 95 F. Physiologic cooling protection, cognitive performance and mood changes were studied. Twelve male subjects were tested. Rectal and skin temperatures as well as cognitive performance and mood changes were assessed. The chamber was heated to 35 degrees C with a relative humidity of 85% and the subjects walked on a treadmill for 20 min. A period of slow cooling down over 75 minutes followed. The subjects weight was recorded before and after each experiment. Three different conditions were tested: a control without any cooling device, a Rapid Thermal Exchange hand cooling device (RTX(Registered)) and a RFD(Registered) Beaufort Liquid conditioning Vest (CV). The CV provided significant cooling benefit as seen by core temperature, weight loss, heart rate, subjective heat and mood scores, compared to a control condition without any cooling devices. While RTX(Registered) appeared to have some slight benefits compared to control (i.e. mean values tended to fall in between control and cooling vest), there was little statistical evidence (other than weight loss) to support this tendency. The heat stress induced in this study (i.e. simulating aircrew pre-flight walk around) was moderate and not severe as some other operational environments could be (e.g. for flight-line maintenance crew). Therefore, cognition was not impaired by the heat stress generated in this study, and, thus, no observed improvement could be seen from the two cooling conditions.
Book Synopsis Physiological and Psychological Effects of Thermally Stressful UH-60 Simulator Cockpit Conditions on Aviators Wearing Standard and Encumbered Flight Uniforms by : Matthew J. Reardon
Download or read book Physiological and Psychological Effects of Thermally Stressful UH-60 Simulator Cockpit Conditions on Aviators Wearing Standard and Encumbered Flight Uniforms written by Matthew J. Reardon and published by . This book was released on 1997 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Stress Evaluation of Special Operations Aviation Regiment and Air Warrior Concept 1 and 3 Aviator Ensembles in a UH-60 Simulator by : Matthew Reardon
Download or read book Heat Stress Evaluation of Special Operations Aviation Regiment and Air Warrior Concept 1 and 3 Aviator Ensembles in a UH-60 Simulator written by Matthew Reardon and published by . This book was released on 1999-03-01 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This aviator heat stress study used a mixed between/within test subject design with one environmental condition (hot) and three rotary-wing MOPP4 ensembles (Special Operations Aviation Regiment SOAR), Air Warrior Concept 1, and Air Warrior Concept 3) encumbered with ballistic protection and over- water survival components. The SOAR ensemble was tested with (SC) and without (SX) microclimate cooling (MCC) consisting of a water-cooled undershirt with portable refrigerator/pump. Air Warrior Concept 1 and Concept 3 aviator MOPP4 ensembles were tested with (AC) and without (AX) MCC, respectively. Physiological and subjective data were obtained to compare thermoregulatory responses and quantitate the benefits of microclimate cooling. Test sessions consisted of a 20-minute treadmill walk in a heated (100 deg F and 20 percent relative humidity RH) environmental chamber to stimulate outdoor preflight activities, followed by three 2-hour sorties in a research UH-60 simulator with cockpit conditions set at 1000F and 50 percent RH (90 deg F wet-bulb globe temperature WBGT).
Book Synopsis The Relationship Between Environmental Conditions and UH-60 Cockpit Temperature by : Robert Thornton
Download or read book The Relationship Between Environmental Conditions and UH-60 Cockpit Temperature written by Robert Thornton and published by . This book was released on 1992 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Relationship Between Environmental Conditions and UH-60 Cockpit Temperature by : Robert Thornton
Download or read book The Relationship Between Environmental Conditions and UH-60 Cockpit Temperature written by Robert Thornton and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
