Difference between revisions of "Ventilation"

Latest revision as of 11:07, 13 January 2011

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

Speed on outside grills - 4-5 m/s maximum (for other situations see list of MS)

Rule of thumb for a single deck vessel:

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

@@ Line 1: / Line 1: @@
+See Professional Boatbuilder #109/110 'Venting the boat'. For Enginerooms see also the Perkins manual.
-[[Category: Marine Engineering]]
+* Speed on outside grills - 4-5 m/s maximum ''(for other situations see list of MS)''
+== 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)
+[[Category: Marine Engineering]] [[Category: Systems]]