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By increasing efficiency, a lower cruise-speed augments the range and reduces the environmental impact of aviation.According to a research project completed in 2024 and focusing on short to medium range passenger aircraft, design for subsonic instead of transonic speed (about 15% less speed) with turboprop instead of turbofan propulsion would save 21% of fuel compared to an aircraft of ...
Aviation fuels are petroleum-based fuels, or petroleum and synthetic fuel blends, used to power aircraft. They have more stringent requirements than fuels used for ground use, such as heating and road transport , and contain additives to enhance or maintain properties important to fuel performance or handling.
The fuel consumption per mile or per kilometre is a more appropriate comparison for aircraft that travel at very different speeds. [citation needed] There also exists power-specific fuel consumption, which equals the thrust-specific fuel consumption divided by speed. It can have units of pounds per hour per horsepower.
The domestic carrier expects jet fuel to cost $3.15 to $3.25 per gallon during the third quarter, versus prior expectations of $2.70 to $2.80. United gave a similar warning, noting since mid-July ...
Meanwhile, a global push for the aviation industry to decarbonize has more carriers fighting for the little amount of so-called sustainable aviation fuel, or SAF, available in the market.
Winglets at the tip of an aircraft wing smooth out the wing-tip vortex (reducing the aircraft's wing drag) and can be retrofitted to any airplane. [119] NASA and Boeing are conducting tests on a 500 lb (230 kg) "blended wing" aircraft. This design allows for greater fuel efficiency since the whole craft produces lift, not just the wings. [120]
The rise in fuel costs comes as the underlying commodity, oil, hit 2023 highs recently. The price of crude is up roughly 30% since late June amid output cuts and elevated global demand.
The maximal total range is the maximum distance an aircraft can fly between takeoff and landing. Powered aircraft range is limited by the aviation fuel energy storage capacity (chemical or electrical) considering both weight and volume limits. [1] Unpowered aircraft range depends on factors such as cross-country speed and environmental conditions.
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