ASE 167M - Lecture 4 - ASE 167M Lecture Four Level Flight...

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ASE 167M Lecture Four Level Flight Performance Propulsion Flight 4 Briefing
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Lecture #5 09/18/11 ASE167M - Apurva Chunodkar 2 Today’s Topics Level Flight Performance: Thrust and Power Required Thrust and Power Available Thrust Horsepower Flight 4 Briefing
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Lecture #5 09/18/11 ASE167M - Apurva Chunodkar 3 EOM for Steady, Level Flight Performance: (1) Max velocity attained in level flight; (2) Effects of Power on Range + Endurance Steady flight indicates that the aircraft is not accelerating, and level flight indicates that there is no vertical velocity. Combining these two conditions give us: L W T D
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Lecture #5 09/18/11 ASE167M - Apurva Chunodkar 4 2 Basic forms of powerplants The Thrust Producing powerplants turbojets, turbofans, rockets, etc… Uses atmospheric air as its working fluid and with addition of fuel, burns the mixture to increase energy, i.e, produce propulsive force directly by increasing the momentum of the airflow. Thrust is independent of the A/C velocity Aircraft Propulsion m D mV = & G j F mV = & ( ) N j F m V V = - &
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Lecture #5 09/18/11 ASE167M - Apurva Chunodkar 5 The Power Producing powerplants piston engine or gas turbine + propellers
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This note was uploaded on 09/18/2011 for the course ASE 167M taught by Professor Staff during the Spring '10 term at University of Texas at Austin.

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ASE 167M - Lecture 4 - ASE 167M Lecture Four Level Flight...

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