Articles liés à Internal Combustion Engine Manual
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Présentation de l'éditeur
They are used extensively in stationary gas engine plants and in a few instances have been adapted to marine use. In practice, producer gas has a net thermal value of 150 to 180 B. t. u. per cubic foot. Reactions. The fuel in the producer may be divided into four zones. That zone nearest the hearth consists of ash. The next zone, called the combustion zone, is usually above 1,900 F. Here the carbon in the fuel is converted to CO2. In the next zone, called the decomposition zone, the CO2 from the second zone combines with the Cin the fuel to form CO. Also the moisture in the blast combines with the carbon in the fuel to form CO and H2, In the top zone (about 1,300 F.), to which fresh fuel is being constantly added, the volatile matter in the fuel is distilled off and mixes with the CO2, and CO given off from the lower zones to form producer gas. 2. Liquid Fuels. A. PSTROLE.UM AND ITS DISTILLATES. By far the most important fuels for marine internal combustion engines are derived from petroleum. This important product is found in nearly every part of the globe. The United States,. Mexico andR ussia produce most of the petroleum at present. In this country the fields of Pennsylvania, Ohio, Oklahoma,, Texas and California are the best producers. Contrary to the popular idea, oil is not necessarily found in the vicinity of coal fields, but near salt deposits, the formation of salt and oil being apparently simultaneous. Although still open to dispute, it appears to be fairly well established that petroleum was formed by the decomposition of large masses of organic matter, probably of marine origin, and the subsequent spontaneous distillation of the hydrocarbons from such matter. Some few petroleums seem to be of vegetable origin.
(Typographical errors above are due to OCR software and don't occur in the book.)
About the Publisher
Forgotten Books is a publisher of historical writings, such as: Philosophy, Cl
Présentation de l'éditeur
In an effort to present briefly and clearly the Internal Combustion Engine problem to the uninitiated,, the author has compiled the data in this volume. It has been the endeavor to eliminate all obsolete practice, to put forth the best modern practice, and to illustrate all points by up-to-date commercial examples. After close stud} of the conditions existing in the Internal Combustion Engine course at the U. S. Naval A cademy, and after voluminous reading to discover the best general method of presenting the subject, the following was thought the best sequence to follow: (a) The subject of fuels is first treated fully, this being the fundamental element that governs design and operation. These fuels follow in a natural sequence which order is preserved when carburetion is taken up inC hapter V. (b) The engine proper naturally divides itself into four systems: (1) fuel system, (2) ignition system, (3) cooling system, (4) lubrication system. These are treated in detail in the above order and inC hapter Xthe four systems assembled are illustrated by modern commercial engines. (c) Producer plants being closely allied to gas engines are given a short chapter at the end of the book. This volume being primarily intended as a text-book for midshipmen is necessarily limited in its scope by the time allowed for this course in theN aval Academy curriculum. This necessitates brevity and is responsible for many arbitrary statements contained herein. The endeavor has been to limit these to the closest approximation to the best practices where fuller explanation would extend the book to impossible limits. The author wishes to thank the various manufacturers for the illustrations used inC hapter X, and the Hill Publishing Company for permission to reproduce some of the figures inC hapter XI.
(Typographical errors above are due to OCR software and don't occur in the book.)
About the Publisher
Forgotten Books is a pu
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