Unlike PV solar panels that use sunlight to generate direct electric current, CSP systems concentrate radiation of the sun to heat a liquid substance, which is then used to drive a heat engine
and drive an electric generator.
It has been greatly improved since then and it is the most efficient heat engine
so far developed.
EpiQair is the first example of a heat engine
with no thermal gradients in the engine structure and therefore no thermal stresses, yet it is capable of achieving power density 20 times greater than that of modern internal combustion engines.
TEHRAN (FNA)- An innovative form of heat engine
operates using only one single atom.
When French engineer Sadi Carnot calculated the maximum efficiency of a heat engine
in 1824, he had no idea what heat was.
The hybrid buses are equipped with Euro VI heat engine
and electric drive system that do not emit exhaust gases when the vehicle is stationary.
Her research at iEnergy Centre at the Masdar Institute is about converting concentrated solar energy directly into electricity, using a solid-state heat engine
to bring about the thermoelectric effect.
But circulation in the atmosphere is like a heat engine
that requires fuel to do work, just like any combustion engine or a convection engine," said research associate at the University of Toronto, Frederic Laliberte, who is also the lead author of the study.
By the year 2000, two general types will have emerged: some form of electric vehicle, either in pure or hybrid (engine/electric) form, and a heat engine
, most probably with external combustion, such as the Stirling, the Warren, or the diesel.
Conversion of heat to mechanical work in the heat engine
is cyclic during the development of appropriate thermodynamic processes [1-3].
Cars are driven sporadically--perhaps an hour or two a day--but it would be better to have the heat engine
continuously; trains would get more output.
But the heat engine
that measures only a few micrometres splutters because of the thermal motions of the smallest particles, which interfere with its running.