Minutes of Proceedings of the Institution of Civil Engineers, Band 169The Institution, 1907 Vols. 39-204 (1874/75-1916/17) have a section 3 containing "Abstracts of papers in foreign transactions and periodicals" (title varies); issued separately, 1919-37, as the institution's Engineering abstracts from the current periodical literature of engineering and applied science, published outside the United Kingdom. |
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amperes Author average axle balance-sheet bend bridge calculated calorimeter carried cars cent centre CO₂ compression concrete conductors connected construction copper cost cradle cubic cubic foot curve cylinder diagram driving Dugald Clerk earthed cradle efficiency elasticity electric engine erected exhaust experiments factor of safety feet 6 inches figures foot-lbs frame fuel gallons gas-engine gases gear given horizontal inches in diameter increased Inst insulator internal-combustion engine length load loss of head maximum means method miles per hour millimetres motor motor-car motor-wagons necessary obtained overhead overhead lines Paper petrol piers piles pipes placed Plate poles Portishead pressure Railway revolutions per minute river road side span specific heat speed square inch steam steam-car steel stress T₁ Table temperature tests timber tons traction-engine transmission-lines valve vehicles velocity vertical volts weight wheels width wire working-fluid X engine
Beliebte Passagen
Seite 141 - Clerk's) new method, and the exhaust gases contain more heat than the Committee's calorimeter trials show. The ordinary trials show 9-3 per cent. too much heat as passing through the cylinder-walls, and practically the same amount too little appears in the exhaust calorimeter. That is, 18-8 per cent. of the total heat remaining in the hot gases at the end of the expansion passes into the cylinder water-jacket during the flow through the exhaust valve upon the first opening and while the piston is...
Seite 114 - ... so that nowhere shall the aggregate extent of the space or spaces in the course of a straight line drawn horizontally across the circumference of the wheel exceed oneeighth part of the width of the tire. (2) The width of the tire of each wheel of a heavy motor car shall be determined by such of the following conditions as...
Seite 277 - ... tons per square inch with an elongation of 20 per cent, in a length of 8 inches, whilst strips cut from it were bent almost double, cold.
Seite 76 - On the Resistance of Plane Surfaces in a Uniform Current of Air,
Seite 121 - Constant p,T (U) where, in the case of a perfect gas, 7 denotes the ratio of specific heats at constant pressure and at constant volume.
Seite 121 - Committee published a very careful and complete report, recommending the adoption of the air standard ; they considered that the standard engine of comparison should satisfy the following conditions : ' (1) The reception and rejection of heat should take place as nearly as may be in the same way as in the actual engine. ' (2) There should be no heat losses due to conduction, radiation, leakage, or imperfect combustion. ' (3) The data for the numerical evaluation of the standard should be ascertainable...
Seite 407 - Engineers, of the Institution of Mechanical Engineers, and of the Iron and Steel Institute...
Seite 133 - Otto cycle at either light or heavy load, and any given explosion could be selected for the purpose of the experiment by operating the trigger at the proper moment. It was thus possible to run the engine at its normal speed under the usual propelling explosions, and to select at any given moment any particular charge, move the rollers out of the range of the cams immediately the charge entered, and so obtain an explosion and expansion stroke in the usual manner, with the usual charge. But both inlet...
Seite 388 - Bone is a member of the Institution of Mechanical Engineers and of the American Society of Mechanical Engineers.
Seite 124 - ... ideal conditions was not so high as the number given by the air standard. Had the properties of the actual working fluid been known, it would have been possible to calculate ideal efficiencies using the known properties. Enough was known, however, to show that the actual properties of the working fluid in the engine were by no means simply ascertained, and it was felt better to adopt a standard capable of definite expression, from which the actual best efficiencies could be deduced by a multiplier...