Page 19 - Domestic Smoke Nuisance and Emissions Final_Neat
P. 19

House as a Pressure systems


















                                                                                             Height & Temperature differences = density = energy differentials creating

                                                                                             pressure differences which drives air flow (forces)







                                                                                              Pascal’s Law a change in pressure at any point in an enclosed fluid is transmitted


                                                                                              equally throughout the fluid.



       Gravity + Col Weight

                                                                                             Stack Effect –’Sucks’ air inside the house at the lower level and ‘Blows’ air out  at

                                                                                             the top level..



          14-7 lbs inch sq






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