Results 241 to 250 of about 7,285 (288)
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A new approach to explosion suppression
Process Safety Progress, 2000AbstractOne of the most widely applied protective systems, to reduce the effects of an explosion, is explosion pressure release (venting). There is a disadvantage to venting in that, with an explosion, there is considerable (fire) damage which can result in major repair costs and production losses.
Frank Theré, A. Harmanny, P. Van Gelder
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Suppressing explosive synchronization by contrarians
EPL (Europhysics Letters), 2016Explosive synchronization (ES) has recently received increasing attention and studies have mainly focused on the conditions of its onset so far. However, its inverse problem, i.e. the suppression of ES, has not been systematically studied so far. As ES is usually considered to be harmful in certain circumstances such as the cascading failure of power ...
Xiyun Zhang +4 more
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Suppression of hydrogen-air explosions by hydrofluorocarbons
Process Safety and Environmental Protection, 2021Abstract This study examines the suppression effectiveness of fluorinated species CHF3 and C2HF5 on the premixed hydrogen-air explosions experimentally and numerically. The results demonstrate that as for stoichiometric and rich hydrogen-air mixtures, both CHF3 and C2HF5 can effectively reduce thermal expansion ratio and increase flame thickness, and
Mengdi Gao +7 more
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Suppression effects of powder suppressants on the explosions of oxyhydrogen gas
Journal of Loss Prevention in the Process Industries, 2006Abstract Suppression tests of oxyhydrogen gas explosions were performed in an explosion tube with five types of dry powder used as the suppressants. The experimental results showed that the powder with large dust cloud density and small radius has better suppression effect, which agrees well with previous correlative results.
Zhihua Chen, Baochun Fan, Xiaohai Jiang
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Suppressants for the control of industrial explosions
Journal of Loss Prevention in the Process Industries, 1996Abstract Explosion suppression is now a well established means of mitigation against the consequences of a gas or dust explosion in industrial processing. Such systems were first deployed by Graviner Ltd (Maisey, H.R. Chem. Process Eng., March 1959) in the early 1950s following development of the technology for military purposes. The first industrial
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Suppression of secondary explosions in transformer rooms
Journal de Physique IV (Proceedings), 2002Large-scale explosion tests in a 50 m 3 room have been performed to simulate real transformer room explosions. The scale and the room layout were chosen as realistic as possible, with a moderate vent area. Prior to ignition hydrogen gas and transformer oil was sprayed into the room. Reference tests were carried out to investigate how gas concentration
O. R. Hansen, A. Wiik, B. Wilkins
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Suppression of flame in explosive systems
Journal of Applied Chemistry, 1951AbstractA method of preventing explosions in chemical manufacturing plants where inflammable bases or vapours are employed in the presence of air or oxygen is further elucidated and the principle extended to condensed explosives. The relative merits of various inhibitors in varying circumstances are reviewed and the conclusion drawn that the best ...
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Explosion Suppression Systems for Marine Applications
Offshore Technology Conference, 1976ABSTRACT Coast Guard Research and Development Center tests of two explosion suppression systems conducted in the forward pump room (18,000 cu ft) of the T/V RHODE ISLAND are described. The experimental suppression systems were specifically designed for the space and fabricated from existing hardware and detection ...
Robert C. Richards, Daniel C. Sheehan
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Dust explosions at elevated pressures and their suppression
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 1999Many of the advanced coal-based power generation technologies currently under development involve the pressurized handling and storage of feedstocks and residue. The handling of fine coal at atmospheric pressure has always presented problems associated with the risk of explosion. These problems are exacerbated at higher pressures.
G. B. Welford, S Ivatt, G Dennison
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Suppression of Maize Dust Explosions
1987The results of a systematic series of maize (corn) dust explosion suppression trials in vessel volumes of 6.2, 10, and 25 m3 are presented. Tests are reported for explosions of both medium and high turbulence dust clouds. The four suppressants, Halon 1011, ammonium phosphate powder, water, and halon/powder hybrid, were tested.
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