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Records 441 to 445 of 733
| Title: |
Comparison Of Exhaust Emissions Of A Low-Time JT80-11 Engine: High-Smoke Versus Low- Smoke Combustion Chamber Configurations |
| Author: |
Stephen L. Imbrogno, Thomas Rust, Jr |
| Abstract: |
Engine-core exhaust emissions were measured on a low-time JT8D-11 strength in both high-smoke and low-smoke configurations. Changing from the high-smoke to the low-smoke configuration considerably reduced the visible smoke, 55 to 90 percent, as measured using the Society of Automotive Engineers (SAE) smoke numbers. Carbon monoxide was reduced by up to 40 percent. Total unburned hydrocarbons were reduced by 40 percent at idle power, while the production of oxides of nitrogen was increased by 60 percent at the high power setting. These percentages are absolute with no consideration for time in mode, according to the Environmental Protection Agency (EPA) landing/takeoff cycle. |
| Report: |
FAA-RD-74-87 |
Pages: |
29 |
Size: |
4.44 MB |
| Title: |
Design Approach To Fire Safety In Buildings |
| Author: |
T.Z. Harmathy |
| Abstract: |
Fire safety as provided for by present building codes is examined critically and the characteristics of building fires are reviewed. A new design approach is suggested. |
| Report: |
FSR-0058 |
Pages: |
7 |
Size: |
1.61 MB |
| Title: |
Smoke Emission From Burning Cabin Materials And The Effect On Visibility In Wide-Bodied Jet Transports |
| Author: |
Edward L. Lopez |
| Abstract: |
A study was made of the smoke emission of cabin materials in ten major categories of' aircraft interior construction under various burning conditions. Two materials in each category tested represented high to low smoke emission values. A widebodied cabin mockup, 2774 cubic feet in volume was used to establish correlation with the 18 cubic foot NBS-type smoke chamber. Additionally, selected materials were tested in the wide-bodied mockup to relate human visual acuity to optical density with and without ventilation flow through the mockup. Results of the study indicate that fair to good correlation exists between the NBS-type smoke chamber and a cabin mockup for various sizes of materials tested in the mockup. Results of visibility studies indicate the relationship of optical density to human visual acuity with and without irritating gases and with and without ventilation flow rate through a wide-bodied cabin mockup. |
| Report: |
FAA-RD-73-127 |
Pages: |
123 |
Size: |
25.8 MB |
| Title: |
The Feasibility Of Detecting A Burner Can Burn-Through By Means of CO, CO2, Pressure, And Air Temperature Levels In A Jet Engine Nacelle |
| Author: |
Richard Hill |
| Abstract: |
Full-scale tests simulating engine combustion section thermal failure (burn-through) were conducted using a cowled J-57 engine to determine the feasibility of detecting a burn-through by monitoring the carbon monoxide (CO) carbon dioxide (CO2), pressure level, on air temperature in the nacelle before, during, and after engine case rupture. Results of tests indicated that CO, CO2, pressure, and air temperature in the nacelle cannot be relied upon for early detection of a burn-through. Test results also indicated that containment of burn-through flame in the nacelle creates extremely high temperatures in the nacelle and can cause extensive structural damage. |
| Report: |
FAA-RD-74-18 |
Pages: |
25 |
Size: |
4.01 MB |
| Title: |
Aerospace Vehicle Hazard Protection Test Program: Dectectors: Materials: Fuel Vulnerability |
| Author: |
J.H. O'Neill, D.E. Sommers, E.B. Nicholas |
| Abstract: |
Fire tests were conducted in a turbojet powerplant installation to determine the effectiveness of an Ediaon and a Honeywell Ultraviolet Fire Dectection System. The four sensor units for each system were installed on the forward bulkhead of the engine nacelle's accessory nd compressor compartment (Zone II) and provided surveillance aft to the firewall. Fires having fuel-flow rates of 0.04 and 0.13 gallons per minute were initiated about 12 inches forward of the firewall at several locations around the periphery of the engine. |
| Report: |
AFAPL-TR-73-87 |
Pages: |
56 |
Size: |
20.1 MB |
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