Enhanced Emergency Smoke Venting

Maylor, Elliott L.

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Enhanced Emergency Smoke Venting

1988-07-01
By Maylor, Elliott L.

File Language:

English

Details

Creators:

Maylor, Elliott L.
Corporate Creators:

Boeing Commercial Airplane
Corporate Publisher:

United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Technical Center
Subject/TRT Terms:
Publication/ Report Number:

DOT/FANCI'-88/22
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Description:

This study evaluated two concepts for modifying the air conditioning systems of large commercial airplanes to enhance the venting of smoke that may be continuously injected into the passenger cabin during inflight fire emergencies. Data from past fire accidents and airplane tests provided a basis for creating four fire/smoke scenarios and deriving five sets of equations to predict the smoke venting effectiveness of current airplanes and the proposed concepts. Concept A would modify the air conditioning packs by adding high flow modes with dual outflow valves and Concept B would add ram air ventilation with an added dump valve. The estimated costs to incorporate Concept A or B in the U. S. fleet were about $381 million or $587 million, respectively. The effectiveness equations predicted that both concepts would provide only slightly significant smoke venting enhancement. Furthermore, the study showed that both concepts would have been negated by the reported crew actions and/or fire damage in past fires. It was concluded that current U. S. fleet airplanes will provide a majority of the passenger cabin free of smoke during inflight fires while the air conditioning systems are kept operating.
Format:

PDF
Funding:

DTFA03-87 -C-00038
Download URL:

https://rosap.ntl.bts.gov/view/dot/92972/dot_92972_DS1.pdf
File Type:

[PDF - 3.44 MB]
Collection(s):

FAA Fire Safety
Main Document Checksum:

urn:sha-512:1314a18ad1042a84bf259e4658af22212742d84a5068bcf31a7c980c2382bdec66ff029b2ffc633285b81aa474cf8bcc93f431335ec1fbd4564efd72a8d950e5

File Language:

English

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