Difference between revisions of "Ventilation"

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== Volume Change Rate ==
 +
 +
{|-
 +
|''Compartment''
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|''VCR per houre (# of times)''
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|''Time to change (minutes)''
 +
|-
 +
|Galley
 +
|10-20
 +
|3-6
 +
|-
 +
|Bathrooms and toilets
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|8-10
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|5-7
 +
|-
 +
|Sleeping cabins
 +
|6-8
 +
|7-10
 +
|-
 +
|Saloons
 +
|5-10
 +
|7-12
 +
|-
 +
|Forepeaks and lazarettes
 +
|5
 +
|12
 +
|-
 +
|Bilges
 +
|5
 +
|12
 +
|-
 +
|Storage areas
 +
|8-12
 +
|5-7
 +
|-
 +
|Machinery spaces
 +
|150-250*
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|0.24-0.40*
 +
|-
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|Battery compartments
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|*
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|*
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|}
 +
 +
 +
== Air per person ==
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 +
 +
 +
== Rod Stephen's Rule ==
 +
Rule of thumb for a single deck vessel:
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 +
Total vent area (cm2) = 70 x WL (m) x LOA (m)
  
  
 
[[Category: Marine Engineering]]
 
[[Category: Marine Engineering]]

Revision as of 11:04, 3 August 2009

See Professional Boatbuilder #109/110 'Venting the boat'. For Enginerooms see the Perkins manual too.


Volume Change Rate

Compartment VCR per houre (# of times) Time to change (minutes)
Galley 10-20 3-6
Bathrooms and toilets 8-10 5-7
Sleeping cabins 6-8 7-10
Saloons 5-10 7-12
Forepeaks and lazarettes 5 12
Bilges 5 12
Storage areas 8-12 5-7
Machinery spaces 150-250* 0.24-0.40*
Battery compartments * *


Air per person

Rod Stephen's Rule

Rule of thumb for a single deck vessel:

Total vent area (cm2) = 70 x WL (m) x LOA (m)

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