A cross compound turbine arrangement features two or more shafts not in line driving two or more generators that often operate at different speeds.

A cross compound turbine is typically used for many large applications.

This arrangement is common in low-pressure casings of a compound turbine.

First compound steam turbine, built by Parsons in 1887

Parsons explained that his appreciation of the scaling issue led to his 1884 breakthrough on the compound steam turbine in his 1911 Rede Lecture:

Since the materials available at the time were not strong enough for the immense centrifugal forces, the output from the turbine was limited and large scale electric steam generators were dominated by designs using the alternative compound steam turbine approach of Charles Parsons.

It is worth dwelling in some detail on the crisis of this story, because it brings together a number of characteristic elements and makes of them a curious, riddling compound obscurely but centrally significant for Mann's work.

Preparation of a coordination compound is often accomplished by the simple method of reacting a metal salt with a ligand in a suitable solvent such as an alcohol.

The most important factor in determining what properties the end-product will have is quite naturally the type of hydroxyl-rich compound that is used in its production.

In the IUPAC naming system, " aqueous " is simply added to the name of the ionic compound.

Arsenic is a common n-type dopant in semiconductor electronic devices, and the optoelectronic compound gallium arsenide is the most common semiconductor in use after doped silicon.

However, in hydrogen astatide ( HAt ) the negative charge is predicted to be on the hydrogen atom, implying that this compound should instead be referred to as astatine hydride.

The defining characteristic of this family is the inflorescence: a simple or compound umbel.

In chemistry, an alcohol is an organic compound in which the hydroxyl functional group (- OH ) is bound to a carbon atom.

A reaction that forms an arene compound from an unsaturated or partially unsaturated cyclic precursor is simply called an aromatization.

The compound 1-naphthol is completely reduced to a mixture of decalin-ol isomers.

The compound resorcinol, hydrogenated with Raney nickel in presence of aqueous sodium hydroxide forms an enolate which is alkylated with methyl iodide to 2-methyl-1, 3-cyclohexandione:

An amide is a compound with the functional group R < sub > n </ sub > E ( O )< sub > x </ sub > NR '< sub > 2 </ sub > ( R and R ' refer to H or organic groups ).

* J. J. Bellermann thinks it a compound of the Egyptian words abrak and sax, meaning “ the honorable and hallowed word ,” or “ the word is adorable .”

Etymologically, the name is derived from the Greek " Αλέξανδρος " ( Aléxandros ), meaning " defending men " or " protector of men ", a compound of the verb " ἀλέξω " ( alexō ), " to ward off, to avert, to defend " and the noun " ἀνδρός " ( andros ), genitive of " ἀνήρ " ( anēr ), " man ".

* 2011 – Libyan leader Muammar Gaddafi is overthrown after the National Transitional Council forces take control of Bab al-Azizia compound during the 2011 Libyan civil war.

An antibacterial is a compound or substance that kills or slows down the growth of bacteria.

( plural ), the term used to identify those who practice Ásatrú is a compound with ( Old Norse ) " man ".

The simplest aliphatic compound is methane ( CH < sub > 4 </ sub >).

The earliest known date for a simple glue is 200, 000 BC and for a compound glue 70, 000 BC.

If the concentration of element or compound in a sample is too high for the detection range of the technique, it can simply be diluted in a pure solvent.

In this method a known quantity of the element or compound under study is added, and the difference between the concentration added, and the concentration observed is the amount actually in the sample.

It is a single-step, 5-cylinder engine ( no compound ) with superheated steam and consumes approx.

Commencing work in 1889, he built a long craft that weighed 3. 5 tons, with a wingspan that was powered by two compound steam engines driving two propellers.

The essence of his idea combines articulation of the locomotive and compound steam use.

The articulation was achieved by supporting the front of the locomotive on a bogie frame ( called a Bissell truck ); the compound steam system fed steam at boiler pressure to high pressure cylinders for the main driving wheels.

Steam under pressure is converted into mechanical energy more efficiently if it is used in a compound engine ; in such an engine, steam direct from a boiler is used in high pressure ( hp ) cylinders, and then, under reduced pressure, used again in a second set of cylinders.

The four steam engines were built in Leicester by Gimson and Company and today are rare examples of Woolf compound rotative beam engines.

* Simple, a steam engine that expands steam only once, as opposed to a compound engine that expands it more than once

: One front leading axle in a bogie, four driving axles, saturated steam, four-cylinder machine, compound ( double steam expansion ), for passenger trains.

: No front leading axle, four driving axles in a bogie, four more driven axles mounted in the frame ( Mallet locomotive ), superheated steam, four-cylinder machine, compound ( double steam expansion ), tank locomotive, for freight trains.

However, it first came into prominence in 1929 when applied to compound Pacific No 3566 which combined enlarged steam circuits, increased superheat, feedwater heater, thermic syphon, Lenz poppet valves with double Kylchap exhaust extractors and chimneys.

In stationary steam engines, traction engines and marine engine practice, the shortcomings of valves and valve gears were among the factors that lead to compound expansion.

* Arthur Woolf, English engineer, best known for invention of a compound steam engine.

The efficiency of large steam turbines is considerably better than the best compound engines, while also being much simpler, more reliable, smaller and lighter all at the same time.

Cutaway of triple expansion compound steam engine, 1888

A compound engine unit is a type of steam engine where steam is expanded in two or more stages.