This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 Excerpt: ...fallen, and for a few moments after the full load has been put on there is too little hot fire and what there is is not hot enough to effect the necessary chemical reactions. The chief defects are that there is too little hydrogen, and that too little of the carbon dioxide is reduced to the monoxide. The remedy is to ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 Excerpt: ...fallen, and for a few moments after the full load has been put on there is too little hot fire and what there is is not hot enough to effect the necessary chemical reactions. The chief defects are that there is too little hydrogen, and that too little of the carbon dioxide is reduced to the monoxide. The remedy is to put on the full load more gradually, so that the engine may be kept running at full speed in spite of the weakness of the gas; the fire in the producer will then recover rapidly, and there will soon be a full supply of gas of good quality. These changes are clearly shown in the series of indicator diagrams shown in Figs. 44-50, the adjustments of the gas and air supplies to the engine being unaltered throughout the tests so that the variations in the mean pressures were due to variations only in the quality of the gas. The engine was worked with a light load for seventy minutes, and then the full load was suddenly applied, with the following results: --The diagrams shown in Figs. 48, 49 and 50 were taken in succession, immediately after putting on the full load: while Fig. 48 was being taken the explosions became weaker and weaker; while Fig. 49 was being taken they became stronger and stronger; and when Fig. 50 was taken the fire in the producer had regained its normal condition, and the explosions were regular and good. The explanation seems clear. While there was no load on the engine the temperature of the fire was reduced, and the heat required to make the gas existed only in the lower part of the producer near the grate. When the brake was suddenly applied to the engine it at once began to draw in more gas; and consequently more steam and air were drawn into the producer fire. But the fire was not hot enough, nor was there a sufficient dep..
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Seller's Description:
PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
