This is economical because it enables the engine to use the steam more expansively than is possible with engines having throttling governors, which govern the engine speed by wire drawing the steam.
Furthermore, the greatest economy of fuel is attained by keeping the boiler pressure up, and using the steam expansively by hooking up the links to shorten the point of cut-off.
The economy is then manifest of using steam of high pressures when at the same time advantage is taken of the facilities it offers for working the steam more expansively to the engine cylinders.
What causes the steam to be worked expansivelyin an engine cylinder?
To what degree it should be applied expansively must be determined by experience in different cases.
Going down the street he grinned expansively and snapped his fingers because of a strange elation.
Suddenly he grinned so expansively that a generous stream of tobacco juice rolled down his sharp chin.
The engines to which this important inquiry has been applied being used for the purpose of pumping, are generally single-acting engines, in which steam is used expansively to a great extent.
We have seen that the working of steam expansivelywas one of Watt's early inventions.
Small his method of working steam expansively as early as May, 1769, and had adopted it in the Soho engine and also in the Shadwell engine erected in that year.
Third, he went one step farther to the compound engine, consisting of two engines, primary and secondary, working steam expansively independently or in concert, with strokes alternate or simultaneous.
In using steam expansively the relative proportion between the back pressure and the force of the steam is of course greater.
A triple expansion engine has three cylinders using the steam expansively in each one.
The same is equally true of the cross compound, which has the advantage of using the steam expansively in the low pressure cylinder.
So in using steam expansively the back pressure must be at a minimum, and this is especially true in the compound engine.
Florian waved that dainty Dresden china hand expansively once more over the landscape before him, as if it belonged to him.
I have done this expecting you to use the steam expansively whenever possible, and the expansive force of steam increases very rapidly after you have reached 70 lbs.
This shows that the most available point at which to work steam expansively is at I/4, as the percentage of increase of power does not equal the percentage of loss in economy.
Mrs Silver at this moment loomedexpansively in the distance.
When he again entered the house the keen Señora noticed that his shirt front swelled expansively just above his heart.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "expansively" in a variety of sentences. We hope that you will now be able to make sentences using this word.
