A building design that uses structural elements of a building to heat and cool a building, without the use of mechanical equipment, which requires careful consideration of the local climate and solar energy resource, building orientation, and landscape fe ...
A solar water or space-heating system in which solar energy is collected, and/or moved by natural convection without using pumps or fans. Passive systems are typically integral collector/storage (ICS; or batch collectors) or thermosyphon systems. The majo ...
(1) A cell, the emf of which is due to the potential difference between a metal in an active state and the same metal in a passive state. (2) A corrosion cell in which the anode is a metal in the active state and the cathode is the same metal in the passi ...
To allow or augment the natural movement of cooler air from exterior, shaded areas of a building through or around a building.
A condition in which a piece of metal, because of an impervious covering of oxide or other compound, has a potential much more positive than that at the metal in the active state.
The coating, usually green, that forms on the surface of metals such as copper and copper alloys exposed to the atmosphere. Also used to describe the appearance of a weathered surface of any metal.
The waters adjacent to a country over which it claims jurisdiction. also, Territorial Waters.
A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.
When a vessel's head falls off from the wind. To pay. To cover over with tar or pitch. To pay out. To slack up on a cable and let it run out.
The amount of time required for positive cash flows to equal the total investment costs.