circulation heating
81ASHRAE Handbook — The ASHRAE Handbook is the four volume flagship publication of the nonprofit technical organization American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc. (ASHRAE). This Handbook is considered the practical repository of… …
82Stratosphere — The stratosphere is the second major layer of Earth s atmosphere, just above the troposphere, and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down. This is in contrast to the… …
83Cooling tower — Natural draft wet cooling hyperboloid towers at Didcot Power Station, UK …
84environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
85Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …
86X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …
87Mesopause — Not to be confused with menopause. The mesopause is the temperature minimum at the boundary between the mesosphere and the thermosphere atmospheric regions. Due to the lack of solar heating and very strong radiative cooling from carbon dioxide,… …
88Boiling water reactor — A boiling water reactor (BWR) is a type of nuclear reactor developed by the General Electric in the mid 1950s.Fact|date=April 2008 The BWR is characterized by two phase fluid flow (water and steam) in the upper part of the reactor core. See… …
89Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
90Quaternary glaciation — The Ice Age redirects here. For other uses, see Ice age (disambiguation). Last ice age redirects here. This term is also used for the last glacial period of the Quaternary glaciation. Northern Hemisphere glaciation during the Last Glacial Maximum …
