The cost of goodventilation is often looked upon as prohibitive, because of the expense in heat necessary to keep the inside atmosphere at standard purity.
That of the ventilation of a school building under winter conditions will be taken as an example.
The methods by which ventilation may be accomplished will depend on the type of building to be ventilated and the apparatus it is possible to use.
The common practice of estimating the quantity of heat used in any form of heating or ventilation is by reference to the B.
It will appear repeatedly in considering ventilation and humidity.
We will assume that the house is heated to the normal temperature 70°, and that the additional cost of heating the air for ventilation over the amount thus expended is the cost of ventilation.
The quantity of air required for the ventilation of a building is determined by the number of people to be provided.
Ventilation engineers not only recognize this condition but have found means of controlling it.
It may be, however, that the ventilation under such condition is unsatisfactory, even though the amount of air which enters the building is sufficient in quantity to produce a desirable atmosphere.
When the use of mechanical ventilation appliances are permissible, any desired degree of atmospheric purity may be maintained at all times, under any condition of climate or change of weather.
Mechanical ventilation plants that are intended for washing the air may be made up of parts similar to that of Fig.
That form of mechanicalventilation by means of which air is forced into the rooms is known as the plenum method.
Ventilation apparatus in which is included the heater coils, the fan and the motor.
The amount of air required per individual per hour necessary to produce a desired condition of ventilation is determined by adopting a standard of purity to suit the prevailing circumstances.
If the ventilation is good the rate of atmospheric change is rapid and the amount of water in consequence must be correspondingly increased.
Committee were satisfied that in libraries where there was no artificial light used, and where the ventilation was good, the bindings were generally in a better state than elsewhere.
The ventilation was conspicuous by its absence, the heat below deck was frightful and the misery entailed by such accommodations was beyond description.
Hammocks interfere immeasurably less than bunks with the proper ventilation of the ships and during the day can be easily removed, thus greatly increasing space for exercise; moreover, they greatly diminish the danger of fire.
It is to be regretted, however, that his Lordship did not embody in his measure, provisions enforcing the free ventilation of mines under government inspection; for nothing would tend more to improve the health of those employed in them.
When we put up the older buildings, we did not understand so much about ventilation as we do to-day.
On the other hand the passenger is held guiltless for a free ventilation of his opinions to the conductor or other representative of the company, and he may even indulge in profane expressions, if he is unrestrained by moral training.
The staterooms are all upper deck, thus insuring those greatest of all luxuries at sea, perfect ventilation and light.
He and Marcel were in the overhead ventilation duct above Command, which had been depicted in great detail in the blueprints.
This is always bad, as such interior spaces can only be lighted and ventilated through the roof; and while overhead lighting is always questionable, overhead ventilation is still more so.
But this density of occupancy carries with it responsibilities in the matter of providing adequate ventilation for the inmates.
An elaborate system of ventilation was installed, but on a recent visit the writer discovered that the cell houses ventilate themselves through the outer windows and the skylight, and the fans were not in use.
Where it is possible to close the windows tightly, insufficient ventilation invariably results during cold weather because the great majority of prisoners seem to shun fresh air and invariably keep their windows shut.
This arrangement is intended to ventilate the cell into the central corridor; but the central corridor is usually quite as much in need of ventilation as the cell itself.
An earlier plan was ventilation of the hold and 'tween decks by means of Sutton's pipes[207], which found a strong advocate in the Rev.
The fronts of the new houses did not overhang so as to obstruct the ventilation of the streets and lanes; but the streets, lanes, alleys and courts were somewhat closely reproduced on the old foundations.
There was hardly any ventilation possible, many of these old houses being in dark narrow courts or blind alleys.
These fevers become highly contagious, especially when they occur in close, confined situations, and in houses where little attention is paid to ventilation or cleanliness.
The latter I attribute to the improved condition of our poor in good clothing and the ventilation of their dwellings.
They hadn't much idea of ventilation when this was built.
No ventilationcan freshen a room or ward where the most scrupulous cleanliness is not observed.
The close connection between ventilationand cleanliness is shown in this.
In the other, more substantial silos, ventilation must be watched, and all communication with the exterior closed as soon as the temperature falls to or near freezing.
Great care should be taken that a thorough ventilation be given in the first mentioned type.
In that region, every effort must be made to secure ventilation to carry off the necessary amount of evaporation water.
We find this statement correct, the floor upon which the lodgers rest being about four feet below the street level; the ceiling is also very low, and the ventilation extremely imperfect.
From the room into which we had descended ventilationwas completely excluded.
These ventilators are provided with shut-offs, so that the ventilation can be controlled at will.
The separating walls between the several houses of such a block are probably maintained for the purpose of better controlling the temperature conditions and ventilation in various houses.
The bed-linen and blankets should be taken off, and the windows opened, so that, for an hour or more, a thorough ventilation should be procured.
Moreover, it will be too late to think of giving ventilation at noontide, when the temperature has risen to 80 deg.
Helical or screw blowers, often called "air propellers," are used where relatively large volumes of air have to be moved against hardly any perceptible difference in pressure, chiefly for purposes of ventilation and drying.
Architects, however, seldom provide for the ventilation of rooms otherwise than as they provide for the admission of light.
The deeper portions of the caves could not be lived in until ventilation ducts were made, but the outer caves were more than sufficient in number.
The innermost caves were prepared for occupation, with multiple doors to hold out the cold and with laboriously excavated ventilation ducts and smoke outlets.
Wood had been carried in great quantities and the caves fitted with crude doors and a ventilation system.
Did the windows rattle, did the floor creak, did the doors open and shut quietly, was the ventilation good, were there noisy guests in the adjoining rooms?
Again, the separation of the apartments for use by day from those occupied at night favours the health of the establishment by rendering ventilation more easy and complete.
Greater salubrity and greater facilities for warming and ventilation are secured.
The actual construction of a ward creates an impediment to the perfect ventilation of all its apartments.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ventilation" in a variety of sentences. We hope that you will now be able to make sentences using this word.
