Closed-cycle propulsion program

Air-independent propulsion - propulsion system for submarines which operates without access to atmospheric oxygen. Article “Closed-cycle propulsion program” in Polish Wikipedia has 22.3 points for quality (as of July 1, 2025). The article contains 10 references and 7 sections.

This article has the best quality in Min Nan Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Closed-cycle propulsion program”, its content was written by 13 registered users of Polish Wikipedia and edited by 561 registered Wikipedia users in all languages.

The article is cited 189 times in Polish Wikipedia and cited 1246 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Polish): #9709 in July 2024
• Global: #25408 in November 2010

The highest popularity rank from 2008:

• Local (Polish): #72010 in September 2012
• Global: #43339 in October 2014

There are 19 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Min Nan (zhminnan) Choa̍t-khì thui-chìn		80.6667
2	English (en) Air-independent propulsion		65.5542
3	Italian (it) Air-Independent Propulsion		54.4797
4	Japanese (ja) 非大気依存推進		26.7825
5	Chinese (zh) 不依赖空气推进		26.7045
6	Spanish (es) Propulsión independiente de aire		25.5252
7	Ukrainian (uk) Повітрянонезалежний двигун		24.983
8	Hebrew (he) מערכות הנעה לצוללות ללא תלות באוויר חיצון		24.3379
9	Polish (pl) Closed-cycle propulsion program		22.3103
10	Russian (ru) Воздухонезависимый двигатель		20.9922

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Closed-cycle propulsion program" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Air-independent propulsion		1 877 988
2	Japanese (ja) 非大気依存推進		836 243
3	Chinese (zh) 不依赖空气推进		317 997
4	French (fr) Sous-marin anaérobie		272 335
5	Russian (ru) Воздухонезависимый двигатель		172 154
6	Spanish (es) Propulsión independiente de aire		164 507
7	German (de) Außenluftunabhängige Antriebsanlage		131 738
8	Italian (it) Air-Independent Propulsion		82 879
9	Polish (pl) Closed-cycle propulsion program		48 305
10	Hebrew (he) מערכות הנעה לצוללות ללא תלות באוויר חיצון		25 915

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Closed-cycle propulsion program" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Air-independent propulsion		9 732
2	Chinese (zh) 不依赖空气推进		1 553
3	Japanese (ja) 非大気依存推進		1 284
4	French (fr) Sous-marin anaérobie		998
5	Spanish (es) Propulsión independiente de aire		717
6	Russian (ru) Воздухонезависимый двигатель		656
7	German (de) Außenluftunabhängige Antriebsanlage		524
8	Italian (it) Air-Independent Propulsion		378
9	Min Nan (zhminnan) Choa̍t-khì thui-chìn		88
10	Hebrew (he) מערכות הנעה לצוללות ללא תלות באוויר חיצון		70

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Closed-cycle propulsion program" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Air-independent propulsion		179
2	French (fr) Sous-marin anaérobie		57
3	Chinese (zh) 不依赖空气推进		50
4	Italian (it) Air-Independent Propulsion		42
5	Japanese (ja) 非大気依存推進		42
6	Hebrew (he) מערכות הנעה לצוללות ללא תלות באוויר חיצון		40
7	German (de) Außenluftunabhängige Antriebsanlage		32
8	Spanish (es) Propulsión independiente de aire		30
9	Dutch (nl) Luchtonafhankelijke aandrijving		18
10	Russian (ru) Воздухонезависимый двигатель		15

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Closed-cycle propulsion program" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Air-independent propulsion		2
2	Dutch (nl) Luchtonafhankelijke aandrijving		1
3	Chinese (zh) 不依赖空气推进		1
4	Min Nan (zhminnan) Choa̍t-khì thui-chìn		1
5	Azerbaijani (az) Havadan müstəqil hərəkət sistemi		0
6	Catalan (ca) Propulsió independent d'aire		0
7	German (de) Außenluftunabhängige Antriebsanlage		0
8	Spanish (es) Propulsión independiente de aire		0
9	French (fr) Sous-marin anaérobie		0
10	Hebrew (he) מערכות הנעה לצוללות ללא תלות באוויר חיצון		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Closed-cycle propulsion program" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Air-independent propulsion		437
2	Polish (pl) Closed-cycle propulsion program		189
3	French (fr) Sous-marin anaérobie		176
4	Japanese (ja) 非大気依存推進		131
5	Chinese (zh) 不依赖空气推进		66
6	German (de) Außenluftunabhängige Antriebsanlage		50
7	Slovenian (sl) AIP-podmornica		46
8	Spanish (es) Propulsión independiente de aire		37
9	Russian (ru) Воздухонезависимый двигатель		28
10	Italian (it) Air-Independent Propulsion		27

More...

#	Language	Value
az	Azerbaijani Havadan müstəqil hərəkət sistemi
ca	Catalan Propulsió independent d'aire
de	German Außenluftunabhängige Antriebsanlage
en	English Air-independent propulsion
es	Spanish Propulsión independiente de aire
fr	French Sous-marin anaérobie
he	Hebrew מערכות הנעה לצוללות ללא תלות באוויר חיצון
id	Indonesian Air-independent propulsion
it	Italian Air-Independent Propulsion
ja	Japanese 非大気依存推進
ko	Korean 공기 불요 추진
nl	Dutch Luchtonafhankelijke aandrijving
pl	Polish Closed-cycle propulsion program
ru	Russian Воздухонезависимый двигатель
sl	Slovenian AIP-podmornica
tr	Turkish Havadan bağımsız itki sistemi
uk	Ukrainian Повітрянонезалежний двигун
zh	Chinese 不依赖空气推进
zhminnan	Min Nan Choa̍t-khì thui-chìn

Best Rank

Polish: #72010 09.2012

Global: #43339 10.2014

Best Rank

Polish: #9709 07.2024

Global: #25408 11.2010

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information