Difference between revisions of "PM 2.5 concentration indoors from indoor sources in Finland"
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Revision as of 08:22, 11 June 2009
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Contents
Scope
This variable describes the indoor air PM 2.5 concentration in Finland originating from indoor sources, such as environmental tobacco smoke (ETS), cooking and wood stove combustion.
Definition
Data
Description of the data used for obtaining the value of the variable (e.g. measurement data; mathematical method and its parameters).
Please include references (preferably using the <ref></ref> tags) and links to original data, as appropriate.
Causality
Model [1]
Cindoor sources = (NcigScig)/(a+k)Vt + (Scooktcook)/(a+k)Vt + (Swood stovetwood stove)/(a+k)Vt + (Scombustiontcombustion)/(a+k)Vt
- Ncig = number of cigarettes smoked in the time t
- Scig = a source strength for cigarettes (µg particles per cigarette)
- V = volume of the room (m3)
- a = aeration (h-1)
- t = time (h)
- K = average deposition (h-1)
- Scook = a source strength for cooking (µg/h)
- tcook = time of cooking activities (h)
- Swood stove = a source strength factor for wood stove (µg/h)
- twood stove = time of wood stove use (h)
- Scombustion = a source strength factor for other combustion sources (e.g. natural gas, fuel oil) (µg/h)
- tcombustion = Time of heating with other combustion sources (h)
Unit
µg/m3
Formula
Algebra or other explicit methods if possible (e.g. Analytica code between the <anacode></anacode> delimiters).
Result
If possible, a numerical expression or distribution.
See also
Links to relevant information that does not belong to Definition.
References
- ↑ NEEDS - New Energy Externalities Developments for Sustainability, Deliverable 3.7 "A set of concentration-response function", Integrated Project, Sixth Framework Programme, Project no. 502687.
