Technology
A steam engine is a device by means of which _heat_ is transformed into _work_. Work may be defined as the result produced by a force acting through space, and is commonly measured in foot-pounds; a foot-pound represents the work done in raising 1 pound 1 foot in height. The r...
Some of the most important details of a steam engine are those of its valve gear. The simplest form of valve is that known as the plain slide valve, and as nearly all others are...
1. CHAPTER IA steam engine is a device by means of which _heat_ is transformed into _work_. Work may be defined as the result produced by a force acting through space, and is commonly measu...
6. CHAPTER VIThe ultimate object of an efficiency test is to determine the foot-pounds of work delivered by the engine per pound of coal burned in the boiler furnaces. The general method of...
4. CHAPTER IVThe principal waste of steam in the operation of an engine is due to condensation during the first part of the stroke. This condensation is due to the fact that during expansion...
2. CHAPTER IIThe capacity or power of a steam engine is rated in horsepower, one horsepower (H. P.) being the equivalent of 33,000 foot-pounds of work done per minute. The horsepower of a gi...
5. CHAPTER VThere are various ways of classifying steam engines according to their construction, the most common, perhaps, being according to speed. If this classification is employed, they...