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Ventilation Test of a 330-man Aboveground Fallout Shelter in Chicago, Illinois

Author : G. Engholm

Publisher :

Page : 65 pages

File Size : 21,66 MB

Release : 1963

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Book Description

The results indicate that a ventilation rate of 3 cfm/occupant is more than adequate to maintain long-term, thermally habitable, shelter environment for 330 occupants for the encountered winter and/or spring conditions. With zero ventilation, the shelter can accommodate from 48 to 90 people. The air leakage varied from 0.043 to 0.055 cfm/square foot of exposed shelter surface. For winter and/or spring conditions, the heat transfer through the shelter surfaces is important in lowering the shelter effective temperature.







Natural Ventilation Test of an Aboveground Fallout Shelter in Evanston, Illinois

Author : C. A. Madson

Publisher :

Page : 150 pages

File Size : 33,44 MB

Release : 1966

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Below wind speeds of 3 mph, the total ventilation rate remained relatively constant to 6 to 8 cfm/man. For the ambient conditions that prevailed throughout the testing period, natural ventilation alone was adequate to limit the effective temperature to 85 deg. F. ET without utilizing all possible inlet-outlet openings available.



Natural Ventilation Test of a Basement Fallout Shelter in East Chicago, Indiana

Author : R. H. Henninger

Publisher :

Page : 101 pages

File Size : 50,86 MB

Release : 1966

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Book Description

The punkah proved to be an effective air moving device when it was placed so that it complemented the effect of any thermal force that was present. The Package Ventilation Kit also proved to be an effective means for moving air through a shelter that had no windows and utilized existing doorways as ventilation openings. During the natural ventilation test the effective temperature of the ambient air and shelter air never went above 85DGF ET. Usually the average shelter ET was about 5DGF above the average ambient ET for the same period. The ventilation rate ranged from 10 cfm/person to 26.5 cfm/person indicating that natural ventilation may be adequate for most aboveground fallout shelters with windows.



Ventilation Test of a 210-man Aboveground Fallout Shelter in Wilmington, North Carolina

Author : Herman F. Behls

Publisher :

Page : 60 pages

File Size : 45,8 MB

Release : 1964

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Book Description

A series of ventilation tests were performed on an above-ground identified fallout shelter in Wilmington, North Carolina, from 26 September to 30 October, 1963. Ventilation of the shelter at different rates and inlet conditions, corresponding to three distinctly different climatic conditions, resulted in data that were used to develop a method for predicting ventilation requirements for this shelter under any ambient conditions. A daily average 85DGF effective temperature was used as the shelter design point. Minimum ventilation capacities recommended from the test results are: -in a hot humid climate, 21.2 cfm per occupant -in a hot dry climate, 14.6 cfm per occupant -in a moderate climate, 7.8 cfm per occupant.







Ventilation Test of a 500-man Basement Fallout Shelter in Providence, Rhode Island

Author : J. Leithem

Publisher :

Page : 96 pages

File Size : 12,64 MB

Release : 1965

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Book Description

Of the total energy input to the shelter, approximately 23% (53.0 MBTU per hr) was lost through shelter boundary surfaces. This heat loss represents a substantial reduction from the required adiabatic ventilation rate (12.1 cfm compared to 8.5 cfm for 82DGF ET). However, on a summer design day actual shelter transmission loss would be less than the above stated value, and the required ventilation rate would be nearer the adiabatic rate.