A string list containing options for the source of phi (exergy-to-energy ratio) data.
A string list with 3 entries.
- eta_fu_tables
Indicates phi values came from final-to-useful efficiency tables.
- temperature_data
Indicates phi values came from national monthly temperature data.
- phi_constants
Indicates phi values came from a phi constants file.
Examples
phi_sources
#> $eta_fu_tables
#> [1] "eta_fu.tables"
#>
#> $temperature_data
#> [1] "temperature.data"
#>
#> $phi_constants
#> [1] "phi.constants"
#>