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Published in:
2022 | OriginalPaper | Chapter
Concentrating Receiver Systems (Solar Power Tower)
Authors : Spiros Alexopoulos, Bernhard Hoffschmidt
Published in: Solar Thermal Energy
Publisher: Springer US
Excerpt
Absorber
Device which absorbs concentrated solar radiation and produces heat.
Artificial intelligence
Term that in general would indicate the ability of a machine or artifact to perform the same kind of functions that characterize human thought.
Black body
Ideal body which would absorb all of the radiation falling upon it.
Blocking, blocking losses
Power which is lost due to interception of part of reflected sunlight from one heliostat by the backside of another heliostat.
Capacity factor
Energy produced over a specified time interval.
Central receiver system
Solar power plant system in which solar radiation is converted by a heliostat field onto a tower-mounted solar receiver.
CRS
Concentrating receiver system, see central receiver system. synonym
Concentration ratio
Ratio of radiant flux density output to radiant flux density input.
CSP
Concentrated solar power system or CSP plants generate electricity by converting solar energy into high-temperature heat using various mirror configurations.
Direct normal irradiation (DNI)
Direct part of energy carried by sun rays on a given area.
Dispatchability, dispatchable
Ability to dispatch on-demand produced electricity to the grid.
Heat recovery steam generator (HRSG)
A conventional power plant component which produces steam.
Heat transfer fluid (HTF)
Fluid used to absorb heat in the solar central receiver and to transport and to deliver it to another component of a power plant (e.g., heat recovery steam generator [HRSG], storage)
Heliostat
Device consisting of an assembly of mirrors, support structure, drive mechanism, and mounting foundation, which follows continuously the sun in two dimensions and reflects the sun rays to a fixed direction.
Heliostat field
Sum of all heliostats of a CRS.
Hybrid system
Any energy system which operates on two or more energy input sources, or which provides more than one form of energy output.
Parasitic power, parasitic losses
Power required to operate an energy conversion system (e.g., pumps, buildings, blowers, and electric devices).
Radiation
Emission and propagation of electromagnetic energy through space or material.
Receiver efficiency
Ratio of the thermal output delivered by the receiver HTF to the incident solar radiant flux under reference conditions.
Receiver, solar receiver
Radiation absorbing system that works like a heat exchanger as it accepts solar radiation and delivers heat to a HTF.
Stretched membrane (SM)
Heliostat system using a stretched membrane as a mirror.
Spillage, spillage losses
Fraction of concentrated solar radiation which misses the absorber of the solar receiver.
Steam generator system (SGS)
Thermodynamic system which generates steam
Thermocline
Zone or layer in a thermal storage volume in which the vertical temperature profile changes rapidly.
Ultraviolet
(UV) spectrum
