Principles of the Boyle's Law Emergency Pressure Suit and Their Application PDF Download
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Author: Otto Schueller
Publisher:
ISBN:
Category : Boyle's law
Languages : en
Pages : 32
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Book Description
An urgent requirement exists for a simple, reliable emergency pressure suit, permeable to air and comfortable while unpressurized, the condition in which the pressure suit is worn most of the time. The Boyle's Law Suit meets these essential requirements. It uses the expansion of gas sealed in multiple tubes for producing mechanical counterpressure on the skin. Oxygen is used in the mask or helmet only for breathing, thus reducing vulnerability and fire hazard to a minimum. This report analyzes the physical and technical principles of the Boyle's Law Suit and their practical application toward improving design of the tube system, minimizing bulk, tube charging procedures, and sizing and adjustment possibilities. Finally, recommendations for redesigning the oxygen regulator to minimize breathing effort are given. (Author).
Author: Otto Schueller
Publisher:
ISBN:
Category : Boyle's law
Languages : en
Pages : 32
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Book Description
An urgent requirement exists for a simple, reliable emergency pressure suit, permeable to air and comfortable while unpressurized, the condition in which the pressure suit is worn most of the time. The Boyle's Law Suit meets these essential requirements. It uses the expansion of gas sealed in multiple tubes for producing mechanical counterpressure on the skin. Oxygen is used in the mask or helmet only for breathing, thus reducing vulnerability and fire hazard to a minimum. This report analyzes the physical and technical principles of the Boyle's Law Suit and their practical application toward improving design of the tube system, minimizing bulk, tube charging procedures, and sizing and adjustment possibilities. Finally, recommendations for redesigning the oxygen regulator to minimize breathing effort are given. (Author).
Author: Otto Schueller
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
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Book Description
Author: Otto Schueller
Publisher:
ISBN:
Category : Boyle's law
Languages : en
Pages : 26
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Book Description
The design criteria for an oxygen regulator for multicell pressure suits, such as the Boyle's Law Suit, are analyzed. On the latest models of the Boyle's Law Suit the conventional breathing bladder in the thorax area was omitted to reduce vulnerability and fire hazard. The volume changes of the body during breathing are compensated by equivalent volume changes of the gas in the closed cells of the suit. If a conventional oxygen regulator is used, the wearer must work to compress the gas in the closed cells. An oxygen regulator is proposed that uses the energy stored in compressed oxygen to do the necessary compression work on the gas in the closed cells of the suit, and to relieve the wearer from fatiguing breathing effort. A pressure sensor in the chest area or the slight pressure fluctuations during breathing can be used to produce simultaneous breathing pressure changes equivalent or approximate to the gas pressure changes in the closed cells or tubes of the suit. This type of regulator also permits considerable reduction of the cell volume and bulk of the suit. (Author).
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1040
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
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Category : Medicine
Languages : en
Pages : 1076
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Category : Aviation medicine
Languages : en
Pages : 24
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Author:
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ISBN:
Category : Aviation medicine
Languages : en
Pages : 608
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Book Description
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).
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 594
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ISBN:
Category :
Languages : en
Pages : 296
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Category : Government publications
Languages : en
Pages : 728
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