Thermosiphon
Videos
A thermosiphon is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump. Thermosiphoning is used for
Thermosyphon circulation in a simple solar water heater (not a working model; there is no water supply to replenish the tank when the tap is used)
Thermosiphons on the roofs of Tel Aviv, Israel
Solar heating system featuring a thermosiphon
1937 diagram of engine cooling entirely by thermosiphon circulation
Radiator
Videos
A radiator is a heat exchanger used to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators are constructed to function in cars, buildin
Water-air convective cooling radiator, made from aluminium, from a 21st-century car
A cast iron convector radiator from 1904
A panel convector radiator, typical of a standard central heating system in the UK
Car engine bay, with radiator in front