Introduction Lecture 1 ME EN 415 Andrew Ning aning@byu.edu - - PowerPoint PPT Presentation

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Introduction Lecture 1 ME EN 415 Andrew Ning aning@byu.edu - - PowerPoint PPT Presentation

Oct 29, 2022 122 likes •363 views

Introduction Lecture 1 ME EN 415 Andrew Ning aning@byu.edu Syllabus http://flow.byu.edu/me415/ 515 (595R): 510: Compressible 541: Computational Aerodynamics Fluid Flow Fluid Dynamics 415: Flight Vehicle 523: Aircraft 456/602: Design

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ME EN 415 Andrew Ning aning@byu.edu

Introduction

Lecture 1

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Syllabus

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http://flow.byu.edu/me415/

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415: Flight Vehicle Design 515 (595R): Aerodynamics 510: Compressible Fluid Flow 541: Computational Fluid Dynamics 426: Gas Turbine and Jet Engine Design 523: Aircraft Structures 456/602: Composites 431: Control Systems 634: Flight Dynamics and Control 575: Design Optimization ChE 693R: Dynamic Optimization

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Grading

Homework 400 Exams 400 Project 150 Quizzes 50 Total 1000

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Aircraft Industry

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Air travel has proved to be resilient to external shocks

World annual traffic (trillion RPKs)

Oil Crisis Gulf Crisis Oil Crisis Asian Crisis WTC Attack SARS Financial Crisis

x2

since 9/11

+60%

growth over the last 10 years 1 2 3 4 5 6 7 8 1966 1971 1976 1981 1986 1991 1996 2001 2006 2011 2016

Airbus Global Market Forecast 2017

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FAA Aerospace Forecast 2017

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Air Transportation Economics

source: Javier Irastorza Mediavilla

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Air Transportation Safety

Aviation Safety Network

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1.5 3 4.5 6 Motorcycles Cars & Trucks Commuter Rail Subways Bus Plane 217 Deaths per billion passenger miles (USA)

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Air Transportation Efficiency

$0 $20 $40 $60 $80 $100 $120 $140 2000 2005 2010 2015 2020 2025 2030 2035 $ Per Barrel of Oil

Fiscal Year

U.S. Refiners' Acquistion Cost

Source: IHS Global Insight

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% of base (Comet 4)

Year of model introduction 1950 100 90 80 70 60 50 40 30 20 10 1960 1970 1980 1990 2000 2010 49% 82%

Comet 4 707-120 747-100 DC-8-63 747-400 Engine fuel consumption Aircraft fuel burn per seat 777-200 777-200 777-300ER 777-300ER A380 A380 787 787

Fuel efciency gains since the early jet age

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Design

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The Future of Airplanes The Future of Space Exploration

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Main Design Parameters

fmincon

Wingspan Chords Tail Sizing Volume Coefficients C.G. Landing Gear Furnishings Fuselage Wing Tail Engine Structure Battery Battery C.G. + Sizing Lattice (Tornado) Trim (Tornado) Parasitic CD L/D CL & CD at each flight stage Vclimb Vmax Vcruise Define Ultimate Loads Wing Loadings V-n Diagram Range Velocity Climb Time Efficiency 2D/3D View Performance Plots Inequality Constraints Equality Constraints Design Parameters Design Performance Global Assumptions Wing + Tail Sizing Component Masses Drag Polar Velocity Performance V-n Diagram Performance Calculation Aircraft Computation (optimization) xt

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Specifications Conceptual Design Preliminary Design Detail Design Flight Tests Operations Growth Versions History & Archive Market/Operations Research

Adapted from a Boeing flow chart