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Easa part 66 module 15 Gas Turbine Engine CH 17/25.

Part 66 Center School | Gas Turbine Engine CH 17/25 Overall rating: ★★★★☆ 4.4 based on 349 reviews
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Introduction to Water injection PDF.

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The maximum output power of a turbine engine depends to an oversize extent upon the density or weight of the air flow passing through the engine.
There is, therefore, a discount in thrust or shaft HP because the air pressure decreases with altitude, and/or the close air temperature will increase. beneath these conditions, the facility output are often fixed up or, in some instances, boosted for take-off by cooling the air flow with water or water/methanol mixture (coolant). once alcohol is else to the water it provides anti-freezing properties and additionally provides a further supply of fuel. A typical turbo-jet engine thrust restoration curve is shown in fig. 17-1 and a turbo-propeller engine power restoration and boost curve is shown in fig. 17-2.


The Jet Engine by Rolls Royce

Chapter 1/25 : Basic mechanics (page 1 to 10)
Chapter 2/25 : Working cycle and airflow (page 11 to 18)
Chapter 3/25 : Compressors (page 19 to 34)
Chapter 4/25 : Combustion chambers (page 35 to 44)
Chapter 5/25 : Turbines (page 45 to 58)
Chapter 6/25: Exhaust system (page 59 to 64)
Chapter 7/25 : Accessory drives (page 65 to 73)
Chapter 8/25 : Basic mechanics (page 73 to 85)
Chapter 9/25 : Lubrication (page 85 to 94)
Chapter 10/25 : Internal air system (page 95 to 120)
Chapter 11/25 : Fuel system (page 121 to 132)
Chapter 12/25 : Starting and ignition (page 133 to 146)
Chapter 13/25 : Ice protection (page 147 to 152)
Chapter 14/25 : Fire protection (page 153 to 158)
Chapter 15/25 : Thrust reversal (page 159 to 168)
Chapter 16/25 : Afterburning (page 169 to 180)
Chapter 17/25 : Water injection (page 181 to 186)
Chapter 18/25 : Vertical/short take-off and landing (page 187 to 198)
Chapter 19/25 : Noise suppression (page 199 to 206)
Chapter 20 & 21 /25 : Thrust distribution & Performance (page 207 to 214)
Chapter 22/25 : Manufacture (page 215 to 228)
Chapter 23/25 : Power Plant Installation (page 229 to 242)
Chapter 24/25 : Maintenance (page 243 to 262)
Chapter 25/25 : Overhaul (page 251 to 264)

 Download Full Document from Amazon Last edition (2015-07-20).


Water Injection ( Chapter 17/25) PDF.

Sample Quiz  –   Gas Turbine Engine Quiz ( 60 questions 75 min),
Category AGas Turbine Engine Quiz ( 60 questions 75 min),
Category B1Gas Turbine Engine Quiz ( 92 questions 115 min),

Water Injection Rolls Royce the jet.


Part 66 Center

2. There are 2 basic ways of injecting the agent into the air flow. Some engines have the agent sprayed directly into the mechanical device recess, however the injection of agent into the combustion chamber recess is typically additional appropriate for axial flow mechanical device engines. {this is|this is often|this are often} as a result of a additional even distribution can be obtained and a larger amount of agent can be satisfactorily injected.
3. once water/methanol mixture is sprayed into the mechanical device recess, the temperature of the mechanical device recess air is reduced and consequently the air density and thrust are exaggerated. If water solely was injected, it’d scale back the rotary engine recess temperature, however with the addition of alcohol the rotary engine recess temperature is fixed up by the burning of methanol within the combustion chamber. therefore the facility is fixed up while not having to regulate the fuel flow.
4. The injection of agent into the combustion chamber recess will increase the mass flow through the rotary engine, relative to it through the mechanical device part 66 center.

The pressure and temperature drop across the rotary engine is therefore reduced, associated this ends up in an exaggerated jet pipe pressure, that successively provides further thrust. the ensuing reduction in rotary engine recess temperature, because of water injection, permits the equipment to schedule a rise of fuel flow to a worth that provides an increase within the most motility speed of the engine part 66 center, therefore providing additional additional thrust, wherever alcohol is employed with the water, the rotary engine recess temperature is fixed up, or partly fixed up, by the burning of the alcohol within the combustion chamber part 66 center.

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Module 15: Gas Turbine Engine

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