3 edition of High speed commercial transport fuels considerations and research needs found in the catalog.
High speed commercial transport fuels considerations and research needs
C. M. Lee
by National Aeronautics and Space Administration, For sale by the National Technical Information Service in [Washington, D.C, Springfield, Va
Written in English
|Statement||C.M. Lee and R.W. Niedzwiecki ; prepared for the Symposium on the Structure of Future Jet Fuels II sponsored by the American Chemical Society, Miami Beach, Florida, September 10-15, 1989.|
|Series||NASA technical memorandum -- 102535.|
|Contributions||Niedzwiecki, Richard W., United States. National Aeronautics and Space Administration.|
|The Physical Object|
therefore may call for specific research needs summarised in the subsequent chapters. High Speed and Mainline High speed has been a very successful and in-novative rail market segment for several dec-ades in Europe and Asia and is often the pre-ferred choice for journeys of up to km or 5 hours door to door (including the “last mile”). Medium- and slow-speed engines are known for fuel flexibility and can operate on low-grade fuels. The main concerns for operating diesel engines on bio-oils are some specific properties of these liquids such as difficult ignition (due to the low heating value and high water content), corrosiveness (acids) and coking (thermally unstable compounds).
The Solidarity Transport Hub will connect the nation with itself and with the world, acting as a focal point for the planned high-speed regional and national rail network while hosting a new, state-of-the-art international airport. An Amazing U.S. High-Speed Rail Proposal. Last month centrist Rep. Seth Moulton (D, MA) released a page proposal that calls for Congress to put $ billion into creating a national high-speed rail network. It’s an expansive, imaginative proposal that, unfortunately, could have used some fact-checking and peer review before being made public.
In addition, TRB issues a variety of other publications, ranging from the Highway Capacity Manual to general-interest periodicals. TR News, the Board’s bimonthly magazine with an international circulation of 10,, features timely articles on innovative and state-of-the-art research and practice in all modes of on, issued quarterly, contains news of the Innovations. the only commercial operating supersonic transport. The US had funded research programs on a supersonic transport since the late s. The first important project was the SST in the late s: Boeing Commercial Airplanes was chosen to develop a joint government/industry transport as the result of a design competition.
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A Hyperloop is a proposed mode of passenger and freight transportation, first used to describe an open-source vactrain design released by a joint team from Tesla and SpaceX.
Hyperloop is a sealed tube or system of tubes with low air pressure through which a pod may travel substantially free of air resistance or friction. The Hyperloop could convey people or objects at airline or hypersonic.
look at the impact of eventual widescale introduction of advanced high-speed air-craft. ” The specific issue raised was whether the potential benefits of advanced super-sonic transport aircraft—or second generation supersonic transports—justify increases in the levels of Federal funding for generic research and development in supersonic.
McDonnell Douglas Aircraft Company. Summary of High-Speed Civil Transport Study (NASA CR). Prepared for National Aeronautics and Space Administration.
Boeing Commercial Airplanes. High-Speed Civil Transport Study Summary (NASA CR). Prepared for National Aeronautics and Space Administration.
Aviation is a steadily growing sector, which largely contributes to transport greenhouse gas (GHG) emissions. When High Speed Rail (HSR) and aviation are considered as alternative options, HSR proves to be a more environmentally friendly mode of transport. Public available data have been used in order to calculate the emission profiles on two selected intra-European routes (London–Paris and Cited by: 1.
The most advanced example of this was the Aérotrain, an experimental high speed hovertrain built and operated in France between and The project was abandoned in due to lack of funding, the death of its lead engineer and the adoption of the TGV by the French government as its high-speed ground transport solution.
High-speed rail (HSR) is a type of rail transport that runs significantly faster than traditional rail traffic, using an integrated system of specialized rolling stock and dedicated tracks. While there is no single standard that applies worldwide, new lines in excess of kilometres per hour ( mph) and existing lines in excess of kilometres per hour ( mph) are widely considered to.
Explain the major components of the commercial transport industry and critique the economic, logistical, and energy tradeoffs involved. Measurable Outcomes.
Explain the primary considerations in propulsion system design and model basic scenarios using first principles [homework]. Overview. The mobility of passengers and freight is fundamental to economic and social activities such as commuting, manufacturing, distributing goods, or supplying energy.
Each movement has a purpose, an origin, a potential set of intermediate locations, and a destination. Mobility is supported and driven by transport systems which are composed of infrastructures, modes, and terminals. fuel, it may dictate high altitude cruising at lower Mach numbers.
The net result is the crew may have less time to recognize and respond to speed deterioration at altitude. At all times, pilots must ensure that flight slower than L/D max is avoided in the high altitude environment.
Proper flight planning and adherence to published. Hence, when a ship reduces its speed by 10%, its engine power is reduced by 27%. Because it takes longer to sail a given distance at a lower speed, the energy required for a voyage is reduced by 19% (a quadratic function).
Within most speed ranges, fuel consumption and consequently emissions of. In response to a study by the Office of Science and Technology of the Office of the President that identified technology development to support a long‐range supersonic transport as one of the national aeronautical goals, NASA awarded contracts for market and technology feasibility studies of a high‐speed civil transport (HSCT) to Boeing Commercial Airplanes and Douglas Aircraft Company.
On the basis of the analysis above, fuel consumption estimations for the case ship can be based on the following regression formula, as shown in Fig.
8, Fuel Cons = × Speed 2 – × Speed, where Fuel Cons is the fuel consumption of the main engine per day, and Speed is in knots. The longest commercial maglev system is in Shanghai; it covers about 30 km ( miles) and runs from downtown Shanghai to Pudong International Airport.
The line is the first high-speed commercial maglev, operating at a maximum speed of km ( miles) per hour. High-density /cSt fuel oil is a well established and proven marine bunker fuel, suitable for use in large modern vessels with low-speed diesel engines.
It is more cost competitive than cSt fuel, and therefore offers operators comparable performance at lower cost. What are the operational considerations for the use of Shell RMK’s. Steel may be your best choice if you need a high-capacity fuel tank trailer at a low cost.
The fact that aluminum is lighter and lower in strength than steel does not mean that aluminum trailers are weak. The trailers have enough loading capacity to transport fuel or.
Air transport has been constantly growing and forecasts seem to confirm the trend; the resulting environmental impact is relevant, both at local and at global scale. In this paper, data from various datasets have been integrated to assess the environmental impact of modal substitution with high speed rail.
Six intra-EU28 routes and a domestic route have been defined for comparison. The proposed high-speed railway (HSR) line (Treno Alta Velocità in Italian, or TAV) between Turin and Lyon would pass cross the Susa Valley, via 2 main tunnels and several shorter ones across the.
A supersonic transport (SST) is a civilian supersonic aircraft designed to transport passengers at speeds greater than the speed of date, the only SSTs to see regular service have been Concorde and the Tupolev TuThe last passenger flight of the Tu was in June and it was last flown in by de's last commercial flight was in Octoberwith a November.
methodology issues that need to be addressed in phase 2 of the High-Speed Research Program. The organization in the following three sections primarily corresponds to the engineering groups assigned to this study: aerodynamic stability and control, aeroelasticity, acoustics, flight controls, and airframe-propulsion integration.
Boom Supersonic will mark a significant step towards the development of a supersonic airliner with a planned virtual rollout event for its XB-1 demonstrator on October 7.
Air pollution comes from many sources, but some transport emissions, such as the particulates from burning diesel fuel, are especially harmful to people. People living near roads, ports, distribution centers, railyards, and airports—often the marginalized and the poor—are exposed to more of these types of vehicle emissions.Aircraft deceleration systems for commercial transport airplanes have been identified by the commercial transport industry as an area in need of a "technology injection".
The decelerating forces available on current commercial transports consist of wheel brakes, aerodynamic braking (such as flaps and speedbrakes) and thrust reversers.High-speed trains and the lines on which they operate offer a superior substitute for gas-guzzling and polluting airplanes, and they are a key green part of the necessary diversification of transportation energy (such as electric/hybrid cars, alternate transport fuels, etc.) needed to reduce oil tly, 70 per cent of oil use is for transportation and liquid fuels, such as.