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Mahesh Natarajan committed Oct 15, 2024
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34 changes: 17 additions & 17 deletions Docs/sphinx_doc/theory/WindFarmModels.rst
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Expand Up @@ -291,7 +291,7 @@ where :math:`r_\text{hub}` and :math:`r_\text{tip}` are the radius of the hub an
An iterative procedure is needed to compute the source terms, and is as follows:

1. An initial value is assumed for the normal and tangential induction factors :math:`a_n` and :math:`a_t`.
2. Compute the normal and tangential velocities from Eqn. :eq:`GAD_Vn_Vt`. .
2. Compute the normal and tangential velocities from Eqn. :eq:`GAD_Vn_Vt`. .
3. From the tables for the `turbine specifications`_, `details of the blade geometry`_ and the `sectional coefficients of the airfoil cross sections`_, compute the values of :math:`C_l` and :math:`C_d` corresponding to the radial location :math:`r` along the blade span and the angle of attack :math:`\alpha = \psi - \xi + \phi`.
4. Compute the normal and tangential sectional coefficients :math:`C_n` and :math:`C_t` from Eqn. :eq:`GAD_Cn_Ct`.
5. Compute the normal and tangential induction factors :math:`a_n` and :math:`a_t` using Eqn. :eq:`GAD_an_at`.
Expand Down Expand Up @@ -354,28 +354,28 @@ The following are the inputs required for wind farm simulations.
// The angle of the turbine actuator disk from the x axis
erf.turb_disk_angle_from_x = 135.0
// In addition to the above, for generalized actuator disk model the following parameters are needed
// In addition to the above, for generalized actuator disk model the following parameters are needed
// Table containing additional specification information of the wind turbine.
// Table containing additional specification information of the wind turbine.
// See Note below
erf.windfarm_spec_table_extra = "NREL-2.82-127_performance.csv"
// Table containing details of blade geometry
// See Note below
erf.windfarm_blade_table = "NREL-2p8-127_AeroDyn15_blade.dat"
// Tables containing the sectional lift and drag coefficients for the
// blade airfoil cross-sections.
// See Note below.
erf.windfarm_spec_table_extra = "NREL-2.82-127_performance.csv"
// Table containing details of blade geometry
// See Note below
erf.windfarm_blade_table = "NREL-2p8-127_AeroDyn15_blade.dat"
// Tables containing the sectional lift and drag coefficients for the
// blade airfoil cross-sections.
// See Note below.
erf.windfarm_airfoil_tables = "Airfoils"
.. note::

The format for the files required for the generalized actuator disk model are
1. erf.windfarm_spec_table_extra = `NREL-2.82-127_performance.csv`_
2. erf.windfarm_blade_table = `NREL-2p8-127_AeroDyn15_blade.dat`_
3. erf.windfarm_airfoil_tables = `Airfoils`_.
The format for the files required for the generalized actuator disk model are

1. erf.windfarm_spec_table_extra = `NREL-2.82-127_performance.csv`_
2. erf.windfarm_blade_table = `NREL-2p8-127_AeroDyn15_blade.dat`_
3. erf.windfarm_airfoil_tables = `Airfoils`_.

.. _`NREL-2.82-127_performance.csv`: https://github.com/NREL/openfast-turbine-models/blob/main/IEA-scaled/NREL-2.8-127/NREL-2.82-127_performance.csv
.. _`NREL-2p8-127_AeroDyn15_blade.dat`: https://github.com/NREL/openfast-turbine-models/blob/main/IEA-scaled/NREL-2.8-127/20_monolithic_opt2/OpenFAST/NREL-2p8-127_AeroDyn15_blade.dat
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