Automated Procedure For Evaluating Sites For Suitability As Helicopter Landing Zones
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Author | : Judith A. Parks |
Publisher | : |
Total Pages | : 281 |
Release | : 1976 |
Genre | : |
ISBN | : |
This report contains instructions for operating a model that is an automated procedure for evaluating designated sites as helicopter landing zones. The model is comprised of three independent computer programs run sequentially. Program 1 (FTHEL) evaluates the site in terms of generalized conditions of slope, microrelief, and soil strength as related to the requirements set by certain characteristics of the helicopter that is to land. The program determines whether the site can provide a full-touch zone, a skid-touch zone, a nontouch zone, or no landing zone at all, and computes the minimum departure angle for the specified helicopter if a landing zone is possible. Program 2 (FTJPRH) is an automated mathematical procedure for predicting the size and shape of a clearing in a forested area by considering blast forces from a bomb explosion, tree stem strength, stem diameter, and distance from ground zero (GZ), the center of the explosion. The clearing is described by a vegetation profile of tree remnant height versus the distance from GZ. Program 3 (FTJPHL) of the model is an automated procedure for evaluating a clearing by estimating how many trees must be removed from a clearing produced by a high-yield, air-dropped munition in order to use the clearing as a full-touch helicopter landing zone. The output is the number of tree remnants that must be removed to satisfy the landing requirements of a specified helicopter.
Author | : Judith A. Parks |
Publisher | : |
Total Pages | : |
Release | : 1976 |
Genre | : Helicopters |
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Total Pages | : 880 |
Release | : 1994 |
Genre | : Aeronautics |
ISBN | : |
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 | : United States. Defense Logistics Studies Information Exchange |
Publisher | : |
Total Pages | : 620 |
Release | : 1970 |
Genre | : Military research |
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Author | : |
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Total Pages | : 418 |
Release | : 1980-11 |
Genre | : Science |
ISBN | : |
Author | : |
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Total Pages | : 676 |
Release | : 1986 |
Genre | : Science |
ISBN | : |
Author | : |
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Total Pages | : 1056 |
Release | : 1977 |
Genre | : Research |
ISBN | : |
Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Author | : |
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Total Pages | : 586 |
Release | : 1980 |
Genre | : Public administration |
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Author | : |
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Total Pages | : 570 |
Release | : 1978 |
Genre | : Industrial hygiene |
ISBN | : |
Author | : Don Harris |
Publisher | : Springer |
Total Pages | : 452 |
Release | : 2017-06-28 |
Genre | : Computers |
ISBN | : 3319584758 |
This book constitutes the proceedings of the 14th International Conference on Engineering Psychology and Cognitive Ergonomics, EPCE 2017, held in Vancouver, Canada, in July 2017. HCII 2017 received a total of 4340 submissions, of which 1228 papers were accepted for publication after a careful reviewing process. The papers thoroughly cover the entire field of Human-Computer Interaction, addressing major advances in knowledge and effective use of computers in a variety of application areas. The two volumes set of EPCE 2017 presents 58 papers which are organized in the following topical sections: cognition and design, cognition in aviation and space, cognition and driving, mental workload and performance, psychological and emotional issues in interaction, situation awareness and control.