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. 1913 Excerpt: ...if one proposed to start with an oil having the approximate formula CH, and to reduce it to, say, heptane, having the formula C7H16, it would be necessary to increase the proportion of hydrogen relatively to the carbon. However, no practical means are known to chemistry whereby this can be done, but by a simple ...
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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. 1913 Excerpt: ...if one proposed to start with an oil having the approximate formula CH, and to reduce it to, say, heptane, having the formula C7H16, it would be necessary to increase the proportion of hydrogen relatively to the carbon. However, no practical means are known to chemistry whereby this can be done, but by a simple cracking of the oil, volatile mixtures of paraffins, unsaturated hydrocarbons such as olefines and benzene and its homologues, might be arrived at. In the production of light oils, such as petrol, it is difficult to conduct the breaking down of the heavier oils without producing carbon and large proportions of permanent gases, such as methane, CH4, and hydrogen. The most likely method of cracking oil for the purpose of obtaining spirit without such risk would therefore appear to be by means of distillation under high pressure, so that the temperature can thereby be more carefully regulated. Liquid fuel has from time to time been treated by the addition of picric acid and by various gases, but such practices are not to be recommended." In the first place, petroleum spirit will not contain any appreciable proportion of the former in solution, and with the latter the involuntary liberation of the gases causes trouble in the jet. The weight of gases which is soluble in petrol is very small, and even in the case of acetylene only 0.15 per cent. by weight can be contained in solution. Mr Ballantyne states that "when the carburation is such as to give a mixture of petrol and air in about the theoretical proportions, acetylene does not act beneficially, and the greater sensitiveness of the acetylene tends to TREATMENT OF FUEL 125 cause pre-ignition. In the case of petroleum products of less volatility than petrol, treatment with gases leads to no i...
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Add this copy of Carburation in Theory and Practice: Including a to cart. $19.72, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
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All Editions of Carburation in Theory and Practice: Including a Criticism of Carburettor Development. a Manual of Reference for Automobile Engineers and Owners
