Results 1 to 10 of about 31,952 (223)

Do supersonic aircraft avoid contrails? [PDF]

open access: yesAtmospheric Chemistry and Physics, 2008
The impact of a potential future fleet of supersonic aircraft on contrail coverage and contrail radiative forcing is investigated by means of simulations with the general circulation model ECHAM4.L39(DLR) including a contrail parameterization.
A. Stenke, V. Grewe, S. Pechtl
doaj   +7 more sources

Research progress of aerodynamic configuration technology of low sonic boom supersonic aircraft

open access: yesHangkong gongcheng jinzhan, 2023
The aerodynamic configuration of supersonic aircraft has an important effect on the intensity of sonic boom, and the low sonic boom supersonic configuration is the key of the new generation supersonic aircraft, so the aerodynamic configuration of low ...
SU Fengnian   +5 more
doaj   +1 more source

The problems of creating a propulsion system of a new generation supersonic passenger aircraft (review)

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023
The problems of creating a propulsion system for a new generation supersonic passenger aircraft are considered on the basis of a review of the work on the supersonic transport being carried out in the world.
A. D. Alendar   +4 more
doaj   +1 more source

On the Fundamental Possibility of a Supersonic Civil Aircraft to Comply with ICAO Noise Requirements Using Existing Technologies

open access: yesAerospace, 2022
Compliance with environmental protection regulations, in particular, community noise requirements, constitutes one of the major obstacles for designing future supersonic civil aircraft.
Victor F. Kopiev   +4 more
doaj   +1 more source

System Noise Assessment and Uncertainty Analysis of a Conceptual Supersonic Aircraft

open access: yesAerospace, 2022
This paper describes a system noise assessment of a conceptual supersonic aircraft called the NASA 55t Supersonic Technology Concept Aeroplane (STCA), its prediction uncertainty, and related validation tests.
Junichi Akatsuka, Tatsuya Ishii
doaj   +1 more source

Guidelines for the LTO Noise Assessment of Future Civil Supersonic Aircraft in Conceptual Design

open access: yesAerospace, 2022
One of the most critical regulatory issues related to supersonic flight arises from limitations imposed by community noise acceptability. The most efficient way to ensure that future supersonic aircraft will meet low-noise requirements is the ...
Grazia Piccirillo   +3 more
doaj   +1 more source

Changing patterns of the optimal composition and parameters of propulsions with ramjet ducts from the supersonic cruising flight speed

open access: yesАвіаційно-космічна техніка та технологія, 2022
There are two aircraft concepts for transoceanic flights at supersonic speed. The first is the aircraft with moderate supersonic cruising speed M = 1.7...2.2, and the second is the aircraft with cruising speed M ≥ 3.
Oleh Kislov, Mykhailo Shevchenko
doaj   +1 more source

Sustainable Supersonic Fuel Flow Method: An Evolution of the Boeing Fuel Flow Method for Supersonic Aircraft Using Sustainable Aviation Fuels

open access: yesAerospace, 2021
This paper discloses a new algorithm, called sustainable supersonic fuel flow method, to complement the conceptual design of future supersonic aircraft with pollutant and greenhouse gases emissions estimation.
Roberta Fusaro   +2 more
doaj   +1 more source

Synthesis of Control Law Based on Nonlinear Dynamic Inversion for Supersonic Aircraft in Presence of Noise and Uncertainties [PDF]

open access: yesE3S Web of Conferences, 2023
In this paper, the approach for synthesis of control law based on nonlinear dynamic inversion (NDI) via feedback linearization combined with Proportional–integral–derivative (PID) controller in outer loop to control supersonic aircraft in its most ...
Gaurav Dhiman   +2 more
doaj   +1 more source

Installed Fan Noise Simulation of a Supersonic Business Aircraft

open access: yesAerospace, 2023
Overcoming the problem of excessive engine noise at low altitudes is a formidable task on the way to developing a supersonic passenger aircraft. The focus of this paper is on the fan noise shielding during take-off, investigated as part of the DLR ...
Stan Proskurov   +6 more
doaj   +1 more source

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