Search Results
Records 721 to 725 of 733
| Title: |
Some Aspects of Structures of Turbulent Pool Fires |
| Author: |
R.S. Alger |
| Abstract: |
The results of an experimental study of the burning JP-5 and methanol pools emphasize structural differences between JP-5 and methanol fires as well as the importance of radiant feedback of energy to the pool surface in controlling rates of burning. |
| Report: |
FSR-0171 |
Pages: |
10 |
Size: |
1.15 MB |
| Title: |
Status Of Halon Replacement Evaluation In Commercial Aircraft And Airport Applications |
| Author: |
Constantine P. Sarkos |
| Abstract: |
The use of a Halon 1301 fire-suppression system was evaluated in regard to increasing occupant escape time during a ground crash situation with an external fire adjacent to a cabin opening. Tests were conducted in a DC7 fuselage, varying the exit configurations and external wind conditions. Tests were also conducted using a curtain to compartmentize the cabin, with the Halon 1301 concentration and location of discharge being varied. Smoke, temperature, carbon monoxide, oxygen and Halon 1301 levels were continuously monitored during the tests at various locations throughout the cabin. Hydrogen fluoride (HF) and hydrogen bromide (HBr) concentrations were obtained by analyzing samples taken from the cabin at various times. The results indicted that the length of protection from flame penetration through an opening was department upon external wind conditions. Flame penetration was controlled for up to 3.5 minutes with zero wind, but a wind of as little as 2 miles per hour (mi/h), the time was reduced to less than 15 seconds. High HF levels were rapidly inside the cabin, with concentrations ranging from 60 parts per million (p/m), with no wind, to well over 300 p/m with 2-mi/h wind conditions. Test results also indicated that the use of a curtain to compartment the cabin could slow the spread of HF (15 to 20 seconds), but it does not lower the levels |
| Report: |
FSR-0065 |
Pages: |
9 |
Size: |
528 KB |
| Title: |
Temperature Profile Behind Test Panel Opening Using The Standard Burner And Pan Fire |
| Author: |
Paul N. Boris |
| Abstract: |
The purpose of the tests described herein was to determine the temperature profile behind a hole through a flame barrier when subjected to the flame of the standard 2-gallon per hour (GPH) burner, and pan fire. The effect of hole diameter on temperature profile was investigated. These tests were intended to simulate an aircraft fire impinging upon a cargo liner with an as-designed opening. |
| Report: |
FSR-0123 |
Pages: |
21 |
Size: |
371 KB |
| Title: |
The Effect of Droplet Size on The Burning Velocity of Kerosene-Air Sprays |
| Author: |
S. Das |
| Abstract: |
The burning velocity of open inverted-cone shaped kerosene air spray was measured at constant air-fuel ratio and for several degrees of atomization of the spray. The results show that as he degree of atomization in the spray increases, the burning velocity first increases to a maximum value, and then decreases to the burning velocity approaching that of a premixed gas flow. |
| Report: |
FSR-0180 |
Pages: |
11 |
Size: |
1.07 MB |
| Title: |
The Effects Of Fillers On The Dehydrochlorination And Smoke Properties Of Rigid PVC |
| Author: |
C. Andrews, M.E. Tarquini |
| Abstract: |
In the light of recent health and environmental issues, halogen-containing polymers have come under intense scrutiny. In particular, polyvinyl chloride (PVC) has been a matter of public concern. The emission of hydrochloric acid gas (HCI) has been indicted due o its corrosively and potential toxicity. The use of fillers and additives are being considered as potential acid gas scavengers. Alumina trihydrate (ATH) and Calcium carbonate (CaC03) have long been used as fillers for PVC, as have been a variety of clays.
This paper offers acid gas evolution and smoke data for the typical non-halogen flame fillers, CaC03, ATH and Magnesium hydroxide (Mg()H)2) as well as a new developmental filler, HYSAFE 150, compounded in a rigid PVC pipe formulation. Specifically, the effects of loading upon induction time, rate of dehydrochlorination and smoke properties, as measured in the NBS Smoke Chamber, are reported |
| Report: |
FSR-0113 |
Pages: |
6 |
Size: |
404 KB |
Search Again
Choose the type of search you'd like to perform:
(Use AND or OR to refine your search)
First
Previous
