modelHeliostatsFieldSolstice

Extends from Interfaces.Models.Heliostats.

Information

Parameters

TypeNameDefaultDescription
Realmethod1method of the system design, 1 is design from the PB, and 2 is design from the field
SI.HeatFlowRateQ_in_rcv1e6
SI.LengthH_rcv10Receiver aperture height
SI.LengthW_rcv10Receiver aperture width
Realn_H_rcv10num of grid in the vertical direction (for flux map)
Realn_W_rcv10num of grid in the horizontal/circumferetial direction (for flux map)
nSI.Angle_degtilt_rcv0tilt of receiver in degree relative to tower axis
SI.LengthW_helio10width of heliostat in m
SI.LengthH_helio10height of heliostat in m
SI.LengthH_tower100Tower height
SI.LengthR_tower0.01Tower diameter
SI.LengthR180distance between the first row heliostat and the tower
Realfb0.7factor to grow the field layout
SI.Efficiencyrho_helio0.9reflectivity of heliostat max =1
SI.Angleslope_error2e-3slope error of the heliostat in mrad
Realn_row_oelt3number of rows of the look up table (simulated days in a year)
Realn_col_oelt3number of columns of the lookup table (simulated hours per day)
Realn_rays5e6number of rays for the optical simulation
StringpsaveModelica.Utilities.Files.loadResource("modelica://SolarTherm/Resources/tmp/solstice-result/demo")the directory for saving the results
Stringfield_type"polar"Other options are : surround
Stringrcv_type"flat"other options are : flat, cylindrical, stl
Stringwea_fileModelica.Utilities.Files.loadResource("modelica://SolarTherm/Data/Weather/example_TMY3.motab")
Stringopt_file
Real[8]metadata_listmetadata(opt_file)
System location
nSI.Angle_deglon133.889Longitude (+ve East)
nSI.Angle_deglat-23.795Latitude (+ve North)
Technical data
Realn_hmetadata_list[1]Number of heliostats
SI.AreaA_hW_helio*H_helioHeliostat's Area
Realhe_av0.99Heliostat availability
Operating strategy
Booleanuse_onfalse= true to display when solar field is connected
Booleanuse_defocusfalse= true to use defocus strategy
Booleanuse_windfalse= true to use Wind-stop strategy
SI.Angleele_minfrom_deg(8)Heliostat stow deploy angle
SI.HeatFlowRateQ_design529.412Receiver design thermal power (with heat losses)
Realnu_start0.60Receiver energy start-up fraction
Realnu_min0.25Minimum receiver turndown energy fraction
Realnu_defocus1Receiver limiter energy fraction at defocus state
SI.VelocityWspd_max15Wind stow speed
Parasitic loads
SI.EnergyE_start90e3Start-up energy of a single heliostat
SI.PowerW_track0.055e3Tracking power for a single heliostat

Components

TypeNameDefaultDescription
SolarTherm.Models.CSP.CRS.HeliostatsField.Optical.SolsticeOELToptical
SI.HeatFlowRateQ_raw
SI.HeatFlowRateQ_net
Modelica.Blocks.Interfaces.BooleanOutputon
Modelica.Blocks.Interfaces.BooleanInputdefocus
Modelica.Blocks.Interfaces.RealOutputQ_incident
Modelica.Blocks.Interfaces.RealInputWspd
SI.Angleelo
SI.Angleele
SI.Anglezen
SI.Anglezen2
SI.Angleazi
SI.PowerW_loss
Realdamping
Booleanon_hf

Revisions

  • Alberto de la Calle:
    Released first version.