Study of technology requirements for structures of large launch vehicles. Volume 2 - Analysis of technical and economic impact Final report
Economic benefits of aluminum honeycombs in launch vehicle configurations
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Economic benefits of aluminum honeycombs in launch vehicle configurations
Methodology for technical feasibility and economic analysis of remote sensing applications
Cryogenic core concept for flexible and economical delivery system
Earth-Mars and earth-Venus economical transfers derived for optimal conditions with respect to characteristic velocity, obtaining exact numerical solution
Systems analysis and economics of satellite educational television for India
Economic viability based on market analysis study of satellite land-surveying system
Qualitative application of result in control theory to problem of economic growth
DC plasma arc jet excitation and emission characteristics for solution analysis with economical inert gas flow rates
Space shuttle mission and economics, discussing cost effectiveness, capabilities, satellite transportation payloads and traffic forecasts
Systems engineering and economic analysis of tracking and data relay satellite system with 16 GHz ground antenna
Economic impact of modifications to DC-8 aircraft nacelles to reduce fan-compressor noise - Part 5
Economic analysis of intercity short-haul business passenger travel
Proposal for economic study of space shuttle effect on OAO/LST program
Earth resources satellite systems R and D planning, using case study approach in economic benefit analysis for parametric requirements determination
NASA space transporation system economics, discussing cost analytic considerations in comparing reusable vs expendable launch systems
The urban general aviation airport economics is studied in detail. The demand for airport services is discussed, and the different types of users are identified. The direct cost characteristics of the airport are summarized; costs to the airport owner are largely fixed, and, except at certain large airports, weight is not a significant factor in airport costs. The efficient use of an existing airport facility is explored, with the focus on the social cost of runway congestion as traffic density at the airport build up and queues form. The tradeoff between aircraft operating costs and airport costs is analyzed in terms of runway length. The transition from theory to practice is treated, and the policy of charging prices only on aircraft storage and fuel is felt likely to continue. Implications of the study from the standpoint of public policy include pricing that spreads traffic peaks to improve runway utilization, and pricing that discriminates against aircraft requiring long runways and causes owners to adopt V/STOL equipment.
Future aircraft fuels are evaluated in terms of fuel resource availability and pricing, processing methods, and economic projections over the period 1970-2000. Liquefied hydrogen, methane and propane are examined as potential turbine engine aircraft fuels relative to current JP fuel.
An economic analysis of hypersonic transports is presented to show projected operating costs (direct and indirect) and return on investment. Important assumptions are varied to determine the probable range of values for operating costs and return on investment. The environmental effects of hypersonic transports are discussed and compared to current supersonic transports. Estimates of sideline and fly-over noise are made for a typical hypersonic transport, and the sonic boom problem is analyzed and discussed. Since the exhaust products from liquid hydrogen-fueled engines differ from those of kerosene-fueled aircraft, a qualitative assessment of air pollution effects is made.