Environmental Engineering Reference
In-Depth Information
TABLE 7.4
Options for TES in Solar Power Production
Options
Temp.(°C)
StorageMedium
Type
Small power plants and water pumps
Organic Rankine
100
Water in thermocline
tank or two tanks
Sensible
300
Petroleum oil in
thermocline tank
Sensible
Steam Rankine with organic fluid
receiver
375
Synthetic oil with
trickle charge
Sensible
Dish mounted engine generators (buffer storage only)
Organic Rankine
400
Bulk PCM with indirect
HX
Latent
Stirling and air Brayton
800
Bulk PCM with indirect
HX
Latent
Advanced air Brayton
1370
Graphite
Sensible
Encapsulated PCM
Latent
Large power plants (typically 3 to 8 hours of storage)
Steam Rankine with organic fluid
receiver
300
Petroleum oil in
thermocline tank or
two tanks, evaporation
only
Sensible
Petroleum oil and rocks
(dual media in
thermocline tank)
Sensible
Steam Rankine with water-steam
receiver
300
Petroleum oil in
thermocline tank or
two tanks, evaporation
only
Sensible
Petroleum oil and rocks
(dual media in
thermocline tank)
Sensible
Encapsulated PCM with
evaporative HX
Latent
Bulk PCM with indirect
HX
Latent
Bulk PCM with direct
HX
Latent
Pressurized water
under or above ground
Latent
540
Molten draw salt in
thermocline tank or
two tanks, superheat
Sensible
Air and rocks
Sensible
Bulk PCM with direct
HX, evaporation stage
Latent
(Continued)
