кр/ч
English translation: ac/h - air changes per hour
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| 00:37 Jan 13, 2013 |
| Russian to English translations [PRO] Science - Science (general) | |||||||
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|  Selected response from: Tamara_L Russian Federation Local time: 22:24 | ||||||
Grading comment
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| Summary of answers provided | ||||
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| 4 +3 | ac/h - air changes per hour |
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| 5 | ACH |
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| 4 | units/hour |
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| Discussion entries: 1 | |
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Answers
25 mins confidence: 
units/hour Explanation: крат — (for measuring the air exchange rate (кратность воздухообмена); e.g. 10 крат/час = 10 units/hour), volume (for measuring the air exchange rate (кратность воздухообмена); e.g. 10 крат/час = 10 volum отсюда: http://dic.academic.ru/dic.nsf/ushakov/843226 |
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34 mins confidence: peer agreement (net): +3
peer agreement (net): +3ac/h - air changes per hour Explanation: Air changes per hour is a measure of how many times the air within a defined space (normally a room or house) is replaced. http://en.wikipedia.org/wiki/Air_changes_per_hour The n50 is how the air permeability rate is expressed in air changes per hour (ac/h). http://www.2eva.ie/airtightness/index.php Air change rate - air changes per hour - can be expressed in imperial Units as n = 60 q / V (1) n = air changes per hour http://www.engineeringtoolbox.com/air-change-rate-d_882.html Reference: http://www.engineeringtoolbox.com/air-change-rate-d_882.html |
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