- Author
- Parker, A. J. | Wenzel, A. B. | Al-Hassan, T.
- Title
- Characterization of the Laboratory-Scale Jet Fire Environment Involving Tubular Sections.
- Coporate
- Southwest Research Institute, San Antonio, TX Health and Safety Executive, Bootle, England
- Book or Conf
- ERA Technology. Offshore Structures: Hazards, Safety and Engineering. Conference Volume. Proceedings. December 12-13, 1995, London, England, 9.5/1-14 p., 1995
- Keywords
- offshore platforms | pipes | fire data | fire tests | test methods | heat flux | equations | thermocouples | nozzles | radiometers
- Identifiers
- Interim Jet Fire Test Procedure (IJFTP); peak heat flux levels for 457-mm diameter pipe; peak heat flux levels for 305-mm diameter pipe
- Abstract
- This paper discusses the results of a research program conducted at Southwest Research Institute to develop a laboratory-scale jet fire test method to extend the Interim Jet Fire Test Procedure (IJFTP) for the evaluation of passive fire protection (pfp) materials used to thermally protect tubular sections, such as risers and process piping, on offshore platforms and onshore facilities. Initially, existing large-scale Spadeadam jet fire data was examined to characterize the jet fire environment. Once the large-scale environment was characterized, two different diameter tubular sections were instrumented with total heat flux transducers, elliposidal radiometers, and thermocouples to measure the laboratory scale jet fire environment. The tubular sections were oriented horizontally in front of a 1500-mm square steel box and exposed to a direct flame impingement of a single phase propane vapor jet exiting from a converging nozzle located 1.00 m from the front face of the pipe, as shown in Figure 1. A similitude analysis was conducted to mathematically model the heat flux environment of the two diameter tubular sections and extend the test procedure to smaller diameter tubular sections. The experiments technical parameters and the confidence in the use of the IJFTP for evaluating pfp materials used to insulate tubular sections will be presented.