Sentences with phrase «air leakage from»

Not exact matches

Alkane hydrocarbons (propane, isobutane, and n - butane) from liquefied petroleum gas (LPG) are present in major quantities throughout Mexico City air because of leakage of the unburned gas from numerous urban sources.

Here's what leakage from pneumatic controllers on a well looks like, thanks to infrared video posted by the Clean Air Task Force (tripod next time, guys?)

As I and others have written repeatedly, there's plenty that can be done — often at a profit — to cut leakage of gas into the air from wells, pipelines, distribution systems and other equipment.

Alan Clarke says: «We had the issue of cavity walls in parts, where there was a risk of air leakage via the cavity, since the air barrier line steps from outside above ground to the new floor slab below ground, so we used expanding foam cavity fill to address this.»

Exhaust ventilation systems in all climatic zones draw outside air from leakage openings and pathways located randomly throughout the building envelope; thus, it is not possible to treat the outside air before it enters the living space.

Heat waves lead to warmer indoor temperatures in three primary ways: conduction of heat from outdoors through the building envelope; transmission of radiant solar heat through windows; and the convection of warm air through open windows and doors and air leakage.

Recent standards from the Environmental Protection Agency (EPA) will substantially reduce leakage from natural gas systems, but to help slow the rate of global warming and improve air quality, further action by states and EPA should directly address fugitive methane from new and existing wells and equipment.

The greatest source of HFCs, and the greatest source of any high global warming potential gas, is leakage from refrigeration and air conditioning equipment.