A321 With toothed exhaust CFM56?
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I stumbled upon a wiki picture and I saw a something that I have not seen before: a CFM56 with toothed engine exhaust. Can someone explain to me what engine variant that is? Thanks.
jet-engine
edited 2 hours ago
Ralph J
28.1k685146
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
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add a comment |
$begingroup$
I stumbled upon a wiki picture and I saw a something that I have not seen before: a CFM56 with toothed engine exhaust. Can someone explain to me what engine variant that is? Thanks.
jet-engine
edited 2 hours ago
Ralph J
28.1k685146
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
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Interesting picture. Welcome to Av.SE!
$endgroup$
– Ralph J
2 hours ago
$begingroup$
Usually the "teeth" are meant to reduce noise levels, up to a couple dB.
$endgroup$
– Pheric
2 hours ago
$begingroup$
That is a very special add-on. I guess you learn something new every day.
$endgroup$
– Miyo Hazuki
1 hour ago
add a comment |
$begingroup$
I stumbled upon a wiki picture and I saw a something that I have not seen before: a CFM56 with toothed engine exhaust. Can someone explain to me what engine variant that is? Thanks.
jet-engine
edited 2 hours ago
Ralph J
28.1k685146
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
I stumbled upon a wiki picture and I saw a something that I have not seen before: a CFM56 with toothed engine exhaust. Can someone explain to me what engine variant that is? Thanks.
jet-engine
jet-engine
edited 2 hours ago
Ralph J
28.1k685146
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 2 hours ago
Ralph J
28.1k685146
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 2 hours ago
Ralph J
28.1k685146
edited 2 hours ago
Ralph J
28.1k685146
edited 2 hours ago
Ralph J
28.1k685146
28.1k685146
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
asked 3 hours ago
Miyo HazukiMiyo Hazuki
161
161
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Miyo Hazuki is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$begingroup$
Interesting picture. Welcome to Av.SE!
$endgroup$
– Ralph J
2 hours ago
$begingroup$
Usually the "teeth" are meant to reduce noise levels, up to a couple dB.
$endgroup$
– Pheric
2 hours ago
$begingroup$
That is a very special add-on. I guess you learn something new every day.
$endgroup$
– Miyo Hazuki
1 hour ago
add a comment |
$begingroup$
Interesting picture. Welcome to Av.SE!
$endgroup$
– Ralph J
2 hours ago
$begingroup$
Usually the "teeth" are meant to reduce noise levels, up to a couple dB.
$endgroup$
– Pheric
2 hours ago
$begingroup$
That is a very special add-on. I guess you learn something new every day.
$endgroup$
– Miyo Hazuki
1 hour ago
$begingroup$
Interesting picture. Welcome to Av.SE!
$endgroup$
– Ralph J
2 hours ago
$begingroup$
Interesting picture. Welcome to Av.SE!
$endgroup$
– Ralph J
2 hours ago
$begingroup$
Usually the "teeth" are meant to reduce noise levels, up to a couple dB.
$endgroup$
– Pheric
2 hours ago
$begingroup$
Usually the "teeth" are meant to reduce noise levels, up to a couple dB.
$endgroup$
– Pheric
2 hours ago
$begingroup$
That is a very special add-on. I guess you learn something new every day.
$endgroup$
– Miyo Hazuki
1 hour ago
$begingroup$
That is a very special add-on. I guess you learn something new every day.
$endgroup$
– Miyo Hazuki
1 hour ago
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
The “toothed” exhaust are called Chevrons and they reduce noise. They are an option on CFM56 equipped A321 aircraft.
Wikipedia CFM International CFM56
”GE and Snecma also tested the effectiveness of chevrons on reducing jet noise. After examining configurations in the wind tunnel, CFMI chose to flight-test chevrons built into the core exhaust nozzle. The chevrons reduced jet noise by 1.3 perceived loudness decibels during takeoff conditions, and are now offered as an option with the CFM56 for the Airbus A321”
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
$endgroup$
add a comment |
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
The “toothed” exhaust are called Chevrons and they reduce noise. They are an option on CFM56 equipped A321 aircraft.
Wikipedia CFM International CFM56
”GE and Snecma also tested the effectiveness of chevrons on reducing jet noise. After examining configurations in the wind tunnel, CFMI chose to flight-test chevrons built into the core exhaust nozzle. The chevrons reduced jet noise by 1.3 perceived loudness decibels during takeoff conditions, and are now offered as an option with the CFM56 for the Airbus A321”
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
$endgroup$
add a comment |
$begingroup$
The “toothed” exhaust are called Chevrons and they reduce noise. They are an option on CFM56 equipped A321 aircraft.
Wikipedia CFM International CFM56
”GE and Snecma also tested the effectiveness of chevrons on reducing jet noise. After examining configurations in the wind tunnel, CFMI chose to flight-test chevrons built into the core exhaust nozzle. The chevrons reduced jet noise by 1.3 perceived loudness decibels during takeoff conditions, and are now offered as an option with the CFM56 for the Airbus A321”
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
$endgroup$
add a comment |
$begingroup$
The “toothed” exhaust are called Chevrons and they reduce noise. They are an option on CFM56 equipped A321 aircraft.
Wikipedia CFM International CFM56
”GE and Snecma also tested the effectiveness of chevrons on reducing jet noise. After examining configurations in the wind tunnel, CFMI chose to flight-test chevrons built into the core exhaust nozzle. The chevrons reduced jet noise by 1.3 perceived loudness decibels during takeoff conditions, and are now offered as an option with the CFM56 for the Airbus A321”
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
$endgroup$
The “toothed” exhaust are called Chevrons and they reduce noise. They are an option on CFM56 equipped A321 aircraft.
Wikipedia CFM International CFM56
”GE and Snecma also tested the effectiveness of chevrons on reducing jet noise. After examining configurations in the wind tunnel, CFMI chose to flight-test chevrons built into the core exhaust nozzle. The chevrons reduced jet noise by 1.3 perceived loudness decibels during takeoff conditions, and are now offered as an option with the CFM56 for the Airbus A321”
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
answered 1 hour ago
Mike SowsunMike Sowsun
18.8k26280
18.8k26280
add a comment |
add a comment |
Miyo Hazuki is a new contributor. Be nice, and check out our Code of Conduct.
Miyo Hazuki is a new contributor. Be nice, and check out our Code of Conduct.
Miyo Hazuki is a new contributor. Be nice, and check out our Code of Conduct.
Miyo Hazuki is a new contributor. Be nice, and check out our Code of Conduct.
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$begingroup$
Interesting picture. Welcome to Av.SE!
$endgroup$
– Ralph J
2 hours ago
$begingroup$
Usually the "teeth" are meant to reduce noise levels, up to a couple dB.
$endgroup$
– Pheric
2 hours ago
$begingroup$
That is a very special add-on. I guess you learn something new every day.
$endgroup$
– Miyo Hazuki
1 hour ago