7. Describe the difference(s), if any, between pre-mixed and diffusion type combustion. Please select all answers that apply: a) In pre-mixed type combustion, the fuel and oxidizer are mixed before entering the combustion chamber. b) In diffusion type combustion the fuel and oxidizer enter the combustion chamber from two separate inlet streams. c) In pre-mixed combustion the fuel and oxidizer enter the combustion chamber through a single stream. d) In diffusion combustion, the fuel is injected through a nozzle. e) In diffusion combustion, the oxidizer swirls around the fuel nozzle.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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7. Describe the difference(s), if any, between pre-mixed and diffusion type combustion.
Please select all answers that apply:
a) In pre-mixed type combustion, the fuel and oxidizer are mixed before entering the combustion chamber.
b) In diffusion type combustion the fuel and oxidizer enter the combustion chamber from two separate inlet streams.
c) In pre-mixed combustion the fuel and oxidizer enter the combustion chamber through a single stream.
d) In diffusion combustion, the fuel is injected through a nozzle.
e) In diffusion combustion, the oxidizer swirls around the fuel nozzle.
Transcribed Image Text:7. Describe the difference(s), if any, between pre-mixed and diffusion type combustion. Please select all answers that apply: a) In pre-mixed type combustion, the fuel and oxidizer are mixed before entering the combustion chamber. b) In diffusion type combustion the fuel and oxidizer enter the combustion chamber from two separate inlet streams. c) In pre-mixed combustion the fuel and oxidizer enter the combustion chamber through a single stream. d) In diffusion combustion, the fuel is injected through a nozzle. e) In diffusion combustion, the oxidizer swirls around the fuel nozzle.
8. Describe the relevance(s), if any, for using the mixture fraction ratio in combustion.
Please select all answers that apply:
a) The mixture fraction identifies the type of combustion.
b) The mixture fraction is the same for either complete and incomplete combustion.
c) There are two different mixing fractions: lean and rich combustion.
d) The mixing fractions concepts can only be applied for diffusion type combustion.
e) The mixing fractions concepts can only be applied to both pre-mixer and diffusion type combustion.
Transcribed Image Text:8. Describe the relevance(s), if any, for using the mixture fraction ratio in combustion. Please select all answers that apply: a) The mixture fraction identifies the type of combustion. b) The mixture fraction is the same for either complete and incomplete combustion. c) There are two different mixing fractions: lean and rich combustion. d) The mixing fractions concepts can only be applied for diffusion type combustion. e) The mixing fractions concepts can only be applied to both pre-mixer and diffusion type combustion.
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