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Two types of experiments were carried out to study the influence ofturbulence in dust-air flame propagation. In the first case, a freelypropagating dust-air flame was studied in a vertical tube filled with apresuspended dust-air cloud. In the second case, the influence ofturbulence was assessed on the burning rate of a dust-air mixture in closedvessels. Concurrently, experiments were carried out on the influence ofturbulence on the burning rate of cornstarch-air explosions in closed vessels, on the lean flammability limits of gaseous fuel-dust-air mixtures,and on flame quenching in mixtures of cornstarch, aluminum and coal dustswith air.
Excerpt from Laboratory Determination of the Explosibility of Coal Dust and Air Mixtures The apparatus is shown in Plate 1 and figure 1. The essential features are the explosion globe at, the igniting tube 6, the pressure recording device 0, the lifting device 03, and auxiliary devices for measuring the temperature of the igniting tube and for throwing the dust into suspension. The explosion globe, capacity c. C., is fitted with tubulures at its top and bottom. The lower tubulure is provided with a rubber gasket, and the upper tubulure presses against a rubber gasket cemented to'the head of the apparatus. The joints at the top and bottom of the globe are made gas-tight by screwing down the thumb nuts 6. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.