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Download or read book Personal Flotation Devices Research: Executive summary and proposed technical approach written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (3 download)
Download or read book Personal flotation devices research written by and published by . This book was released on 1978 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 350 pages
Book Rating : 4.3/5 (555 download)
Download or read book Personal Flotation Devices Research, Phase I written by and published by . This book was released on 1976 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Accident Recovery Model (ARM) for recreational boating accidents is presented. Its development and application are described. The model is used to estimate the benefits of regulatory programs in four recovery problem areas. Methods and problems in benefit estimation are described and recommendations for further development of ARM are offered. An investigation of the causes of sudden and unexplained drownings is reported, including a review of the biomedical literature and an analysis of boating accident reports. Development of the Life-Saving Index (LSI) is described, and its application to the approval of personal flotation devices (PFDs) is discussed. Past mathematical modeling efforts related to PFD effectiveness are discussed. A pilot experiment is reported and alternative empirical methods for evaluating PFD effectiveness are presented. A large-scale observational study of PFD wear and accessibility, and a study of PFD-related attitudes and preferences are reported. A preliminary index of PFD wearability is formulated. Initial data on PFD quality control and reliability problems are presented. Procedures for evaluating PFD reliability are outlined. Functions which future PFD designs could fulfill and features of inflatable and hybrid devices are reviewed. Tests of two inflatables and three hybrid devices are reported. (Author).
Download or read book Personal Flotation Devices Research: Research report written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (227 download)
Download or read book Personal Flotation Devices Research. Volume 1. Executive Summary and Proposed Technical Approach written by and published by . This book was released on 1978 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on the development of a comprehensive system for evaluating the life-saving capability of Personal Flotation Devices (PFDs) is reported. The approach contained herein evaluates PFDs on the basis of a probabilistic equation called the Life-Saving Index (LSI), which includes parameters measuring device assessibility, wearability, ease of donning after an accident, effectiveness when held or worn, and reliability. A projected benefit of 48 lives per year is shown, through a minimum cost impact implementation of the Life-Saving Index System. This minimum cost impact approach consists of implementation of the LSI System through an optional 'Type X' approval using the LSI System. Type X devices, which could include inflatable and hybrid PFDs, would be required to have a LSI higher than present Type III devices. PFDs would be submitted for LSI System approval only if the manufacturer chose to, and sold only if the public wanted to buy and utilize the more effective Type X device. Definitions and means of determining the value of each of the parameters of the LSI, for a given PFD, are given along with recommendations for future work and preliminary test procedures for future approval/certification programs. Estimated costs and benefits, based on accident data, laboratory field testing, and field observations are given for the Type X implementation approach as well as alternative implementation plans. Volume 2 is the technical report for this research program, and Volume 3 contains appendices to Volume 2.
Author : Wyle Laboratories
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.3/5 (91 download)
Download or read book Personal flotation devices research written by Wyle Laboratories and published by . This book was released on 1978 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 534 pages
Book Rating : 4.3/5 ( download)
Download or read book Personal flotation devices research written by and published by . This book was released on 1978 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Doll
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (227 download)
Download or read book Personal Flotation Devices Research. Volume 2. Research Report written by T. Doll and published by . This book was released on 1978 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on personal flotation devices (PFDs) is reported in three volumes. Volume 1 summarizes the research and presents a Proposed Technical Approach for development of performance-based PFD evaluation procedures. Volume II is the technical report. Volume III contains appendices. The Life-Saving Index (LSI) System provides a quantitative measure of the life-saving capability of PFDs called the Life-Saving Index (LSI). The LSI predicts the life-saving performance of the candidate PFD and makes it possible to compare diverse PFDs including inflatables, hybrids, and inherently buoyant devices. In one of two studies of PFD wearability/accessibility, nearly 2500 boaters were observed in recreational boating activities. In Study II, 67 different kinds of PFDs representing the major varieties available world-wide were distributed to recreational boaters for use and evaluation. Indices of PFD wearability and accessibility were developed, based upon evaluations and PFD use behavior. One approach to PFD effectiveness used the center and distribution of buoyancy to predict the effectiveness of PFDs on human subjects. A second approach employed an anthropomorphic dummy to simulate human buoyancy characteristics. A PFD effectiveness evaluation procedure using human body simulators is recommended. Reliability research centered on the development of an accelerated aging method which simulates the aging of PFDs in the recreational boating environment. Controlled experiments were performed to determine the individual and combined effects of environmental stressors on PFDs. Test procedures and a reliability model are presented.
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ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.3/5 (555 download)
Download or read book Regulatory Effectiveness Methodology. Phase II Research written by and published by . This book was released on 1979 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: An integrated package of methods is presented for evaluating the benefits and costs of USCG recreational boating safety (and similar) programs and regulations. A general procedure for developing specific accident model data bases is presented along with a selection guide of model forms. An Accident Recovery Model is described in depth and used to develop benefit estimations. Guidelines for and examples of the multistate benefit analysis technique are presented. The Box-Jenkins approach to time series analysis is described and used to generate forecasts of future boating fatalities. Equations are developed for predicting the potential benefits of contemplated regulations. Analytic techniques, including intervention analysis and Benefit Assessment Diagram methods, are presented for assessing the past benefit effects of USCG regulations. Benefit evaluation examples include the level flotation, safe powering, safe loading, and basic flotation regulations. Some basic interrelationship models are presented to illustrate the nature of the marine market and the cost transfers required for tracking cost elements.
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ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (221 download)
Download or read book Investigation of the performance of personal flotation devices written by and published by . This book was released on 1975 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. Greenhouse
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Reliability Investigation of Personal Flotation Devices. Phase 1 written by L. Greenhouse and published by . This book was released on 1973 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: A methodology for developing a personal flotation device (PFD) reliability index is defined. This methodology consists of the formulation of functional and configurational models that lead to a set of reliability equations. These equations permit the calculation of overall PFD reliability, the probability that an undetected defect exists in a PFD component, and the probability that a defect is detected in a PFD component. A test plan is provided that provides guidance as to the nature of the tests that should be run and the manner in which test results can be used to estimate parameters that are part of the PFD reliability index equations. A series of recommendations is included that suggests specific follow-up actions for the enhancement of PFD reliability and improvements in their role as lifesaving devices. (Author).
Author : Craig Seeley
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (857 download)
Download or read book Personal flotation device research and design written by Craig Seeley and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes bibliographical references.
Author : Raelyn A. Stockwell
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ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (298 download)
Download or read book Personal Flotation Devices written by Raelyn A. Stockwell and published by . This book was released on 1993 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Superintendent of Documents
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ISBN 13 :
Total Pages : 1228 pages
Book Rating : 4.3/5 (121 download)
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1978 with total page 1228 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
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Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Coast Guard Approach to Develop Improved Personal Flotation Devices written by and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Coast Guard has been sponsoring personal flotation device (PFD) related research since the early 1970s. These studies have generally been limited to static calm water flotation evaluations. The U.S. Coast Guard approval process requires a human subject to enter calm water wearing a candidate PFD. The subject simulates unconsciousness and the PFD is evaluated for flotation and righting ability. The calm water method of testing has been a safe and repeatable method for determining the gross in water characteristics of an attached PFD. However, calm water testing practices can not address the effects of wave action on life jackets, the optimum angle of repose and head angle relative to a wave front, the number of mouth immersions, and buoyancy requirements in waves. In response to the need to beaer understand these dynamic effeas, an adaptation of the Air Force Articulated Total Body (ATB) is being developed to simulate human behavior in waves. To support the development of this capability, a sophisticated instrumented flotation manikin is being constructed that will serve as a full scale validation tool for the modifted ATB simulator and general research tool for Coast Guard survival system studies. This paper will provide an overview of the Coast Guard's rough water performance of PFDs research program and detailed description of the instrumented manikin under construction.
Author : T. Doll
Publisher :
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.:/5 (227 download)
Download or read book Personal Flotation Devices Research. Volume 3. Appendices written by T. Doll and published by . This book was released on 1978 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Appendices to the technical report on Personal Flotation Devices (PFD) research are presented. These appendices contain additional wearability/accessibility data crosstabulations, three technical briefs on PFD reliability research, three appendices to the Accident Recovery Model, and an appendix to the cost/benefit analysis of LSI implementation alternatives. Volume 1 of this three volume report is an Executive Summary and Proposed Technical Approach. Volume 2 is the technical report of the research program. (Author).
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ISBN 13 :
Total Pages : 1064 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1977 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
