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wyszukanych pozycji: 13
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Sound Generation by Aircraft Wake Vortices
ISBN: 9781494418120 / Angielski / Miękka / 2013 / 30 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. This report provides an extensive analysis of potential wake vortex noise sourcesthat might be utilized to aid in their tracking. Several possible mechanisms of aircraftvortex sound generation are examined on the basis of discrete vortex dynamic modelsand characteristic acoustic signatures calculated by application of vortex sound theory. Itis shown that the most robust mechanisms result in very low frequency infrasound. Aninstability of the vortex core structure is discussed and shown to be a possible mechanismfor generating higher frequency sound bordering the audible frequency range....
This report provides an extensive analysis of potential wake vortex noise sourcesthat might be utilized to aid in their tracking. Several possible mec...
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49,83 |
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MOVES2010a Regional Level Sensitivity Analysis
ISBN: 9781494499433 / Angielski / Miękka / 2013 / 126 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. This document discusses the sensitivity of various input parameter effects on emission rates using the US Environmental Protection Agency's (EPA's) MOVES2010a model at the regional level. Pollutants included in the study are carbon monoxide (CO), Oxides of Nitrogen (NOX), Particulate Matter of less than 2.5 micrometers (PM2.5), and Volatile Organic Compounds (VOCs). Similar trends for PM10as reported for PM2.5 and Nitrogen Dioxide (NO2) as NOXexist and inferences to these pollutants may also be made. Results are presented using the predicted emission rates (grams/mile) for running exhaust and...
This document discusses the sensitivity of various input parameter effects on emission rates using the US Environmental Protection Agency's (EPA's) MO...
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65,05 |
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National Parks of New York Harbor Traveler Information System: Functional Requirements
ISBN: 9781495281181 / Angielski / Miękka / 2011 / 28 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. This document serves as the Functional Requirements for the National Parks of New York Harbor (NPNH) Traveler Information System (TIS). It builds upon the Concept of Operations document by providing more detailed requirements for the design, development, implementation, and operation of the TIS.
This document serves as the Functional Requirements for the National Parks of New York Harbor (NPNH) Traveler Information System (TIS). It builds upon...
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65,05 |
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Use of Traffic Displays for General Aviation Approach Spacing: A Human Factors Study
ISBN: 9781494440329 / Angielski / Miękka / 2013 / 46 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. A flight experiment was conducted to assess human factors issues associated with pilot use of traffic displays for approach spacing. Sixteen multi-engine rated pilots participated. Eight flew approaches in a twin-engine Piper Aztec originating in Sanford, ME, and eight flew approaches in the same aircraft originating in Atlantic City, NJ. The spacing target was a Cessna 206. The traffic display was either a Garmin International MX-20 (the "Basic" Cockpit Display of Traffic Information, or CDTI) or an MX-20 modified with features to help the pilot monitor the closing rate, the range and ground...
A flight experiment was conducted to assess human factors issues associated with pilot use of traffic displays for approach spacing. Sixteen multi-eng...
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65,05 |
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Evaluation of the Cape Cod Advanced Public Transit System: Phase 1 and 2
ISBN: 9781493598823 / Angielski / Miękka / 2013 / 156 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. The Cape Cod Regional Transit Authority's (CCRTA) Advanced Public Transportation System (APTS) project is an application of Intelligent Transportation Systems (ITS) to fixed-route and paratransit operations in a rural transit setting. The purpose of the project is to apply ITS technology to improve intermodal transportation services for the residents of rural Cape Cod as well as for visitors to the region.
The Cape Cod Regional Transit Authority's (CCRTA) Advanced Public Transportation System (APTS) project is an application of Intelligent Transportation...
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65,05 |
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Point-to-Point Commercial Space Transportation in National Aviation System: Final Report
ISBN: 9781499265026 / Angielski / Miękka / 2014 / 36 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. The advent of suborbital transport brings promise of point-to-point (PTP) long distance transportation as a revolutionary mode of air transportation. In 2008, the International Space University (ISU) of Strasbourg, France, published a report1 documenting its appraisal of PTP transportation technology. This report describes the conditions that should be put in place to foster and sustain the growth of this industry from the technical, market, financial, infrastructure, safety, and legal perspectives. The ISU study calculates that transatlantic flight times for suborbital vehicles from London...
The advent of suborbital transport brings promise of point-to-point (PTP) long distance transportation as a revolutionary mode of air transportation. ...
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69,12 |
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Status Report Socrates Concept Exploration Effort
ISBN: 9781494356088 / Angielski / Miękka / 2013 / 34 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. Project SOCRATES, development of a technology to detect hypothesized acoustic emanations from wake vortices, has been underway for more than four years. This report discusses several aspects of this project including the current level of knowledge concerning wake vortex acoustic properties, SOCRATES detection technology, and wake turbulence sensor deployment issues. Three recommendations are offered to restructure the programmatic approach of Project SOCRATES to reduce the high risk and high cost should the government decide to continue to pursue this program.
Project SOCRATES, development of a technology to detect hypothesized acoustic emanations from wake vortices, has been underway for more than four year...
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65,05 |
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Northeast Florida Rural Transit Intelligent Transportation System (ITS) Evaluation Plan
ISBN: 9781493594771 / Angielski / Miękka / 2013 / 30 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. The Northeast Florida Rural Transportation Intelligent Transportation System (ITS) project is a demonstration of ITS deployment in five rural Community Transportation Coordinator (CTC) agencies. The objective of the project is to test and evaluate the effectiveness of technologies including Geographical Information Systems (GIS), Global Positioning Satellite (GPS)-based Automatic Vehicle Location (AVL) systems, mobility management software applications (RouteLogic, MapInfo, etc), Mobile Data Terminals (MDTs), and electronic applications (email, web-based information) for rural transportation...
The Northeast Florida Rural Transportation Intelligent Transportation System (ITS) project is a demonstration of ITS deployment in five rural Communit...
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65,05 |
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National Parks of New York Harbor Traveler Information System: Concept of Operations
ISBN: 9781495281280 / Angielski / Miękka / 2011 / 50 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. This document serves as the Concept of Operations for the New York Harbor (NPNH) Traveler Information System (TIS). It describes the TIS as a system with two primary purposes: (1) to inform visitors about the site characteristics such as historical significance, activities and events, location, and thematic relationship to each other and (2) to provide information how to navigate to and between sites using public transportation and by walking.
This document serves as the Concept of Operations for the New York Harbor (NPNH) Traveler Information System (TIS). It describes the TIS as a system w...
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65,05 |
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Efficient Access Pricing for Rail Bottlenecks
ISBN: 9781494370718 / Angielski / Miękka / 2013 / 44 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
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65,05 |
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Proceedings of the Second Workshop on Human Response to Aviation Noise in Protected Natural Areas
ISBN: 9781499288544 / Angielski / Miękka / 2014 / 58 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
69,12 |
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Mendenhall Glacier Visitor Center: Vehicular and Pedestrian Congestion Study
ISBN: 9781494356491 / Angielski / Miękka / 2013 / 130 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. The Mendenhall Glacier Visitor Center of Tongass National Forest in Juneau, Alaska, is experiencing vehicular and pedestrian congestion. This study was initiated by the United States Forest Service, Alaska Region, in cooperation with the Western Federal Lands Highway Division of the Federal Highway Administration. The study objective was to identify feasible alternatives for alleviating vehicular and pedestrian congestion with particular focus on options that would not require extensive alteration of the Visitor Center complex, pending a Mendenhall Glacier Recreation Area Management Plan that...
The Mendenhall Glacier Visitor Center of Tongass National Forest in Juneau, Alaska, is experiencing vehicular and pedestrian congestion. This study wa...
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65,05 |
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Environmental considerations of the NGATS ATM-Airportal Concept
ISBN: 9781494424565 / Angielski / Miękka / 2013 / 32 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. This report discusses some of the environmental considerations of the Airportal Concept. This information in this report is based on the NGATS ATM-Airportal Concept by J. Lee, et al., version 1.0 dated September 28, 2007. This report is intended to provide the Airportal project with an overview of environmental aspects of the Airportal Concept document, and to present possible environmental gaps and overlaps with other JPDO projects. This report begins with a general overview of aviation environmental considerations, including a sub-section on how an individual aircraft operation can impact...
This report discusses some of the environmental considerations of the Airportal Concept. This information in this report is based on the NGATS ATM-Air...
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cena:
65,05 |
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