Heat Strain Produced By 3 Aircrew Chemical Defence Ensembles Under Hot Conditions

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Heat Strain Produced by 3 Aircrew Chemical Defence Ensembles Under Hot Conditions

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Author : RD. Michas
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (125 download)

Book Synopsis Heat Strain Produced by 3 Aircrew Chemical Defence Ensembles Under Hot Conditions by : RD. Michas

Download or read book Heat Strain Produced by 3 Aircrew Chemical Defence Ensembles Under Hot Conditions written by RD. Michas and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The heat strain produced by three different Canadian Forces chemical defence (CD) individual protection ensembles (IPE) was studied under simulated hot cockpit conditions with an air-cooling vest (AC) and with no cooling (NC). Seven healthy males were randomly subjected to six heat stress tests (37°C, 50% r.h., target of 150 min) using the helicopter IPE with AC-4 mask (H4), the helicopter IPE with AR-5 hood/respirator (H5), and the CF-18 fighter IPE (F) with AR-5 respirator and anti-G suit. Whatever the IPE, AC increased heat exposure time and total heat losses, and decreased the change in core (?Tre/h) and whole body mean skin temperatures (? ̄Tsk(WB)/h) (P

Performance of Protective Clothing, Fourth Volume

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Author :
Publisher : ASTM International
ISBN 13 : 0803114303
Total Pages : 1033 pages
Book Rating : 4.8/5 (31 download)

Book Synopsis Performance of Protective Clothing, Fourth Volume by :

Download or read book Performance of Protective Clothing, Fourth Volume written by and published by ASTM International. This book was released on with total page 1033 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Microclimate Cooling and the Aircrew Chemical Defense Ensemble

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Author : Glenn Mitchell
Publisher :
ISBN 13 :
Total Pages : 79 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Microclimate Cooling and the Aircrew Chemical Defense Ensemble by : Glenn Mitchell

Download or read book Microclimate Cooling and the Aircrew Chemical Defense Ensemble written by Glenn Mitchell and published by . This book was released on 1986 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: The psychological, physiological, and operational effects of sustained aviation operations in the standard US Army chemical defense ensemble were studied in six male aviators during continuous 6-day sessions in a hot, humid field environment. Standard aviation mission durations and profiles were flown in a specially-equipped JUH-1H helicopter while wearing level IV mission-oriented protective posture (MOPP IV) garments. A single case design was used to investigate the effects of microclimate cooling devices of both air and liquid medium design. Results show that cooling is not physiologically necessary below cockpit temperatures of 29 C WBGT although subjective benefit was reported. Above 29 C WBGT cockpit temperature with closed aircraft windows and doors, microclimate cooling was necessary to avoid adverse effects of body core temperature increases. Keywords: Aircraft protection, Aircrew chemical protection, Helicopter warfare, NBC protection, Aircraft survivability, Heat stress(physiology), Heat stress(psychology), Microclimate cooling system, Chemical warfare. (MJM).

Thermal Stress in Seven Types of Chemical Defense Ensembles During Moderate Exercise in Hot Environments

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Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Thermal Stress in Seven Types of Chemical Defense Ensembles During Moderate Exercise in Hot Environments by :

Download or read book Thermal Stress in Seven Types of Chemical Defense Ensembles During Moderate Exercise in Hot Environments written by and published by . This book was released on 1993 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: United States Air Force -(USAF) personnel must perform their duties in many operational environments, including those with the potential for contamination with toxic chemical warfare (CW) agents. This study evaluated the physiological response to thermal stress in subjects performing moderate work in current and prototype chemical protective garments including the Battle Dress Overgarment (BDO)+BDU, BDO without BDU, United Kingdom (UK) undercoverall+BDU, Gore-Tex rainsuit+PJ-7 undercoverall, Marine Light Fighter Suit (MLFS), CWU77P, PJ-7 alone, and the BDU alone. Experimental conditions were dry bulb temperature of 40 deg C (104 deg F), a wet bulb temperature of 270C (80.6 deg F), and a black globe temperature of 450C (113 deg F). Eleven subjects walked on a treadmill at 3 mph with a 5% grade incline until rectal temperature (Tre) rose 1.5 deg C (2.7 deg F) above the starting value. Heart rate, rectal and mean skin temperature, and body heat storage were monitored continuously. Sweat evaporation and production were determined from the differences between pre- and postexperiment clothed and nude weights. Significantly longer work times, lower heart rates, lower Tmsk, and lower heat storage, were seen in the group comprised of the BDU, MLFS, CWU-77P, and PJ-7 compared to the Gore-Tex with PJ- 7, UK plus BD BDO+BDU, and BDO no BDU ensembles. Suits which resulted in shorter tolerance times also caused rates of sweat production and lower % sweat evaporation than the less physiologically burdensome suits. Chemical protective ensembles, Thermal stress, Clothing, Exercise.

Textile Technology Digest

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Author :
Publisher :
ISBN 13 :
Total Pages : 782 pages
Book Rating : 4.E/5 ( download)

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Download or read book Textile Technology Digest written by and published by . This book was released on 2000 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Measurement of Heat Strain from Wearing the Ground Crew Ensemble Chemical Defense Gear Currently Used by the U.S. Air Force

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Author : Thomas H. Nelson
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (197 download)

Book Synopsis Measurement of Heat Strain from Wearing the Ground Crew Ensemble Chemical Defense Gear Currently Used by the U.S. Air Force by : Thomas H. Nelson

Download or read book Measurement of Heat Strain from Wearing the Ground Crew Ensemble Chemical Defense Gear Currently Used by the U.S. Air Force written by Thomas H. Nelson and published by . This book was released on 1988 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermal Evaluation of Two Prototype Aircrew Chemical Defense Ensembles

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Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (227 download)

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Download or read book Thermal Evaluation of Two Prototype Aircrew Chemical Defense Ensembles written by and published by . This book was released on 1989 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Individual aircrew members are protected against chemical warfare environments by the Aircrew Chemical Defense Ensemble (ACDE). The current regulation ACDE (flight suit coverall worn over an activated charcoal undergarment) inhibits dissipation of body heat, resulting in severe physiological limitations on task performance. Several second-generation ACDE prototype designs are undergoing review by the U.S. Air Force Life Support System Program Office. Two of these candidate ACDEs were compared to the current ACDE with respect to thermal stress associated with task performance. The two ACDEs evaluated were: the Gentex Intimate Blend Coverall, and Winfield Monopack Saratoga Coverall. Human subjects were instrumented; they then dressed in the experimental ACDE plus flight safety equipment, and performed scheduled tasks in a climate-controlled chamber at the U.S. Air Force School of Aerospace Medicine, Brooks AFB, Texas. To initiate the experiment, subjects pedaled on an ergometer (50 W) for 10 min, after which they sat in a high-performance aircraft ejection seat and performed minimal physical activities for 1 h; following this seated phase, the subjects again pedaled the ergometer (50W) for 30 min. Heart rates, core (rectal) temperatures, and 5 skin temperatures (chest, back, upper arm, upper leg, and calf) were measured at 30-s intervals throughout the experiment. To measure sweat production and sweat evaporation, the subjects were weighed, both nude and fully dressed.

Evaluation of Thermal Stress Induced by Helicopter Aircrew Chemical, Biological, Radiological (CBR) Protective Ensemble

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Author :
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Evaluation of Thermal Stress Induced by Helicopter Aircrew Chemical, Biological, Radiological (CBR) Protective Ensemble by :

Download or read book Evaluation of Thermal Stress Induced by Helicopter Aircrew Chemical, Biological, Radiological (CBR) Protective Ensemble written by and published by . This book was released on 1988 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: The A/P22P-9(V) Chemical, Biological, Radiological (CBR) Protective Assembly for helicopter aircrews has been evaluated for the additional thermal stress it imparts to users in a hot environment. The standard aircrew life support system for helicopters, based on the CWU-27/P flight coverall, was employed as the experimental control. Two environmental conditions were studied: 1) a simulated hot aircraft interior (hot), with chamber temperatures maintained at dry bulb temperatures = 32.8C and a wet bulb temperature = 25.0C; and 2) a control environment (cool), with chamber temperatures maintained at 20.9C. Three males, aged 24-35 years, were exposed twice to each garment/environment condition combination, for a total of eight exposures each, except for one subject who was studied in cool conditions only once in each of the configurations, for a total of six runs. Heat durations were designed for 480 minutes. Comparison by ensemble show significant differences observed for exposure durations, while rectal temperatures were significantly different (p

Aviation Space and Environmental Medicine

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Author :
Publisher :
ISBN 13 :
Total Pages : 698 pages
Book Rating : 4.3/5 (555 download)

Book Synopsis Aviation Space and Environmental Medicine by :

Download or read book Aviation Space and Environmental Medicine written by and published by . This book was released on 1991 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of the Aircrew Chemical Defence Assembly on Thermal Strain

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Author : Robert Thornton
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (597 download)

Book Synopsis The Effect of the Aircrew Chemical Defence Assembly on Thermal Strain by : Robert Thornton

Download or read book The Effect of the Aircrew Chemical Defence Assembly on Thermal Strain written by Robert Thornton and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 968 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Annual Department of Defense Bibliography of Logistics Studies and Related Documents

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Author : United States. Defense Logistics Studies Information Exchange
Publisher :
ISBN 13 :
Total Pages : 934 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis Annual Department of Defense Bibliography of Logistics Studies and Related Documents by : United States. Defense Logistics Studies Information Exchange

Download or read book Annual Department of Defense Bibliography of Logistics Studies and Related Documents written by United States. Defense Logistics Studies Information Exchange and published by . This book was released on 1984 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Excerpta Medica

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Publisher :
ISBN 13 :
Total Pages : 494 pages
Book Rating : 4.E/5 ( download)

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Download or read book Excerpta Medica written by and published by . This book was released on 1991 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aerospace Medicine and Biology

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Publisher :
ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.0/5 ( download)

Book Synopsis Aerospace Medicine and Biology by :

Download or read book Aerospace Medicine and Biology written by and published by . This book was released on 1991 with total page 472 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).

Military Medicine

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Publisher :
ISBN 13 :
Total Pages : 462 pages
Book Rating : 4.:/5 ( download)

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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:

International Aerospace Abstracts

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Publisher :
ISBN 13 :
Total Pages : 1042 pages
Book Rating : 4.F/5 ( download)

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Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cumulated Index Medicus

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Publisher :
ISBN 13 :
Total Pages : 1856 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Cumulated Index Medicus by :

Download or read book Cumulated Index Medicus written by and published by . This book was released on 1997 with total page 1856 pages. Available in PDF, EPUB and Kindle. Book excerpt: