نتایج جستجو برای: power takeoff

تعداد نتایج: 487838  

2011
Gano B. Chatterji

A procedure for estimating fuel burned based on actual flight track data, and drag and fuel-flow models is described. The procedure consists of estimating aircraft and wind states, lift, drag and thrust. Fuel-flow for jet aircraft is determined in terms of thrust, true airspeed and altitude as prescribed by the Base of Aircraft Data fuel-flow model. This paper provides a theoretical foundation ...

Journal: :Eng 2023

Numerical simulations were generated to investigate the response of a floating airport airplane movement using nonlinear shallow water equations velocity potential for waves interacting with thin plate. First, in 1D calculations, airplanes B747 and B737. At touch-and-go, when speed is closer wave speed, even B737 produced large based on resonance. The impacts due both touchdown leaving other fo...

Journal: :Global Health: Science and Practice 2016

Journal: :Information systems, mechanics and control 2018

2008
Joon Hyuk Park Kwang-Joon Yoon

We describe the design of four ornithopters ranging in wing span from 10 cm to 40 cm, and in weight from 5 g to 45 g. The controllability and power supply are two major considerations, so we compare the efficiency and characteristics between different types of subsystems such as gearbox and tail shape. Our current ornithopter is radio-controlled with inbuilt visual sensing and capable of takeof...

Journal: :J. Field Robotics 2017
Joseph Coleman Hammad Ahmad Daniel Toal

This paper presents the design and testing of a control system for the robotic flight of tethered kites. The use of tethered kites as a prime mover in airborne wind energy is undergoing active research in several quarters. There also exist several additional applications for the remote or autonomous control of tethered kites, such as aerial sensor and communications platforms. The system presen...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 2011

Journal: :Actuators 2021

The application scope of unmanned aerial vehicles (UAVs) is increasing along with commensurate advancements in performance. hybrid quadrotor vertical takeoff and landing (VTOL) UAV has the benefits both rotary-wing aircraft fixed-wing aircraft. However, vehicle requires a robust controller for takeoff, landing, transition, hovering modes because aerodynamic parameters differ those modes. We con...

Journal: :Mathematics and Computers in Simulation 2015

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