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Author : Michael J. Prather
Publisher : Unknown
Page : 246 pages
File Size : 52,5 Mb
Release : 1992
Category : Aeronautics, Commercial
ISBN : NASA:31769000527278
Author : United States. National Aeronautics and Space Administration
Publisher : Unknown
Page : 244 pages
File Size : 49,5 Mb
Release : 1992
Category : Electronic
ISBN : OCLC:1076151450
Author : Richard S. Stolarski,Howard L. Wesoky
Publisher : Unknown
Page : 258 pages
File Size : 45,7 Mb
Release : 1995
Category : Air
ISBN : NASA:31769000527898
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 256 pages
File Size : 47,8 Mb
Release : 2018-08-04
Category : Electronic
ISBN : 1724681931
This document presents the fourth report from the Atmospheric Effects of Stratospheric Aircraft (AESA) component of NASA's High-Speed Research Program (HSRP). Market and technology considerations continue to provide an impetus for high-speed civil transport research. A recent AESA interim assessment report and a review of that report have shown that considerable uncertainty still exists about the possible impact of aircraft on the atmosphere. The AESA has been designed to develop the body of scientific knowledge necessary for the evaluation of the impact of stratospheric aircraft on the atmosphere. The first Program report presented the basic objectives and plans for AESA. This fourth report comes after the interim assessment and sets forth directions for the 1995 assessment at the end of AESA Phase 1. It also sets forth the goals and directions for AESA Phase 2, as reported at the 1994 Atmospheric Effects of Aviation Project (AEAP) annual meeting held in June. The focus of the Phase 2 effort is to obtain the best possible closure on the outstanding problems identified in the interim assessment and NASA/NRC review. Topics discussed in this report include how high-speed civil transports (HSCT) might affect stratospheric ozone, emissions scenarios and databases to assess potential atmospheric effects from HSCT's, calculated results from 2-D zonal mean models using emissions data, engine trace constituent measurements. Stolarski, Richard S. (Editor) and Wesoky, Howard L. (Editor) and Wofsy, Steven C. and Ravishankara, A. R. and Rodriguez, Jose M. and Grose, William L. Goddard Space Flight Center; Langley Research Center NASA-RP-1359, NAS 1.61:1359 ...
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 432 pages
File Size : 54,9 Mb
Release : 2018-08-04
Category : Electronic
ISBN : 172468213X
A third report from the Atmospheric Effects of Stratospheric Aircraft (AESA) component of NASA's High-Speed Research Program (HSRP) is presented. Market and technology considerations continue to provide an impetus for high-speed civil transport research. A recent United Nations Environment Program scientific assessment showed that considerable uncertainty still exists about the possible impact of aircraft on the atmosphere. The AESA was designed to develop the body of scientific knowledge necessary for the evaluation of the impact of stratospheric aircraft on the atmosphere. The first Program report presented the basic objectives and plans for AESA. This third report marks the midpoint of the program and presents the status of the ongoing research on the impact of stratospheric aircraft on the atmosphere as reported at the third annual AESA Program meeting in June 1993. The focus of the program is on predicted atmospheric changes resulting from projected HSCT emissions. Topics reported on cover how high-speed civil transports (HSCT) might affect stratospheric ozone, emissions scenarios and databases to assess potential atmospheric effects from HSCT's, calculated results from 2-D zonal mean models using emissions data, engine trace constituent measurements, and exhaust plume/aircraft wake vortex interactions. Stolarski, Richard S. (Editor) and Wesoky, Howard L. (Editor) Goddard Space Flight Center NASA-RP-1313, NAS 1.61:1313 ...
Author : National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Atmospheric Effects of Aviation
Publisher : National Academies Press
Page : 60 pages
File Size : 53,8 Mb
Release : 1999-10-05
Category : Technology & Engineering
ISBN : 9780309172905
The NRC Panel on the Atmospheric Effects of Aviation (PAEAN) was established to provide guidance to NASA's Atmospheric Effects of Aviation Program (AEAP) by evaluating the appropriateness of the program's research plan, appraising the project-sponsored results relative to the current state of scientific knowledge, identifying key scientific uncertainties, and suggesting research activities likely to reduce those uncertainties. Over the last few years, the panel has written periodic reviews of both the subsonic aviation (Subsonic Assessment-SASS) and the supersonic aviation (Atmospheric Effects of Stratospheric Aircraft-AESA) components of AEAP, including: An Interim Review of the Subsonic Assessment Project (1997); An Interim Assessment of AEAP's Emissions Characterization and Near-Field Interactions Elements (1997); An Interim Review of the AESA Project: Science and Progress (1998); Atmospheric Effects of Aviation: A Review of NASA's Subsonic Assessment Project (1998). This report constitutes the final review of AESA and will be the last report written by this panel. The primary audience for these reports is the program managers and scientists affiliated with AEAP, although in some cases the topics discussed are of interest to a wider audience.
Author : Michael J. Prather
Publisher : Unknown
Page : 144 pages
File Size : 40,8 Mb
Release : 1993
Category : Electronic
ISBN : OCLC:1109508665
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 232 pages
File Size : 44,6 Mb
Release : 2018-08-04
Category : Electronic
ISBN : 1724681915
This document presents a second report from the Atmospheric Effects of Stratospheric Aircraft (AESA) component of NASA's High-Speed Research Program (HSRP). This document presents a second report from the Atmospheric Effects of Stratospheric Aircraft (AESA) component of NASA's High Speed Research Program (HSRP). Market and technology considerations continue to provide an impetus for high-speed civil transport research. A recent United Nations Environment Program scientific assessment has shown that considerable uncertainty still exists about the possible impact of aircraft on the atmosphere. The AESA was designed to develop the body of scientific knowledge necessary for the evaluation of the impact of stratospheric aircraft on the atmosphere. The first Program report presented the basic objectives and plans for AESA. This second report presents the status of the ongoing research as reported by the principal investigators at the second annual AESA Program meeting in May 1992: Laboratory studies are probing the mechanism responsible for many of the heterogeneous reactions that occur on stratospheric particles. Understanding how the atmosphere redistributes aircraft exhaust is critical to our knowing where the perturbed air will go and for how long it will remain in the stratosphere. The assessment of fleet effects is dependent on the ability to develop scenarios which correctly simulate fleet operations. Stolarski, Richard S. (Editor) and Wesoky, Howard L. (Editor) Goddard Space Flight Center NASA-RP-1293, NAS 1.61:1293 ...
Author : National Research Council,Division on Earth and Life Studies,Commission on Geosciences, Environment and Resources,Panel on Atmospheric Effects of Aviation
Publisher : National Academies Press
Page : 68 pages
File Size : 47,7 Mb
Release : 1998-08-21
Category : Technology & Engineering
ISBN : 9780309173766
Scientists and policy-makers alike are concerned that operation of a fleet of high-speed civil transport (HSCT) aircraft could significantly affect the global atmosphere. HSCT emissions may have a direct effect on the chemistry of the atmosphere, leading to changes in the distribution of ozone; they may also have indirect effects on ozone and on global climate through coupling with radiative and dynamical processes in the atmosphere. An assessment of the atmospheric impact of a fleet of HSCTs thus requires not only an understanding of the chemistry of the natural stratosphere and its possible perturbations by HSCT emissions, but also an understanding of the pathways for transport of HSCT emissions within the atmosphere, and the resulting temporal and spatial distribution of HSCT emissions. The results of NASA's Atmospheric Effects of Stratospheric Aircraft (AESA) project were summarized in a 1995 NASA assessment. The present report looks at that summary and at more recent work to evaluate the state of the science. AESA has made good progress in the past few years. Satellite and aircraft observations have elucidated important aspects of large-scale transport processes. Field campaigns have provided a much better picture of the relative importance, below 20 km altitude, of the major catalytic cycles for ozone destruction. Careful intercomparisons of assessment models have led to reduction of some of the differences among the models. However, a number of uncertainties and inconsistencies still remain.
Author : Richard S. Stolarski
Publisher : Unknown
Page : 140 pages
File Size : 45,9 Mb
Release : 1995
Category : Aeronautics, Commercial
ISBN : NASA:31769000528094
Author : United States. Department of Transportation. Climatic Impact Assessment Program Office
Publisher : Unknown
Page : 870 pages
File Size : 49,8 Mb
Release : 1974
Category : Air
ISBN : PURD:32754075976914
Author : Anonim
Publisher : Unknown
Page : 356 pages
File Size : 54,8 Mb
Release : 1993
Category : Electronic
ISBN : NASA:31769000527468
Author : A. R. Douglass
Publisher : Unknown
Page : 52 pages
File Size : 47,8 Mb
Release : 1991
Category : Electronic
ISBN : NASA:31769000527120
Author : Anonim
Publisher : Unknown
Page : 40 pages
File Size : 41,6 Mb
Release : 1991
Category : Electronic
ISBN : NASA:31769000527112
Author : A. J. Grobecker
Publisher : Unknown
Page : 868 pages
File Size : 46,6 Mb
Release : 1974
Category : Aircraft exhaust emissions
ISBN : UIUC:30112007598615
