old_contents: # -*- coding: utf-8 -*-
  """
  Parameters used for solar technologies
  """
  
  ## USER INPUTS
  
  # site specific input
  date_start = '2016-01-01'  # format: yyyy-mm-dd
  
  # type of panels
  # for PVT, please choose type_PVpanel = 'PV1', type_SCpanel = 'SC1'
  type_PVpanel = 'PV1'  # PV1: monocrystalline, PV2: poly, PV3: amorphous. please refer to supply system database.
  type_SCpanel = 'SC1'  # SC1: flat plat collectors, SC2: evacuated tubes
  
  # installed locations
  panel_on_roof = True  # flag for considering panels on roof
  panel_on_wall = True  # flag for considering panels on wall
  min_radiation = 0.75  # filtering criteria: at least a minimum production of this % from the maximum in the area.
  
  # panel spacing
  solar_window_solstice = 4 # desired hours of solar window on the solstice
  
  # panel specific inputs
  T_in_SC = 75  # inlet temperature of solar collectors [C]
  T_in_PVT = 35 # inlet temperature of PVT panels [C]
  
  
  ## INTERNAL PARAMETERS
  
  # solar collectors pumping requirements
  dpl = 200 # pressure losses per length of pipe according to Solar District Heating Guidelines, [Pa/m]
  fcr = 1.3 # additional loss factor due to accessories
  Ro = 1000 # water density [kg/m3]
  eff_pumping = 0.6 # pump efficiency
  
  # solar collectors heat losses
  k_msc_max = 0.217 # linear heat transmittance coefficient of piping (2*pi*k/ln(Do/Di))) [W/mK]
  
  
  
  
  
  
  
new_contents: # -*- coding: utf-8 -*-
  """
  Parameters used for solar technologies
  """
  
  ## USER INPUTS
  
  # site specific input
  date_start = '2016-01-01'  # format: yyyy-mm-dd
  
  # type of panels
  # for PVT, please choose type_PVpanel = 'PV1', type_SCpanel = 'SC1'
  type_PVpanel = 'PV1'  # PV1: monocrystalline, PV2: poly, PV3: amorphous. please refer to supply system database.
  type_SCpanel = 'SC1'  # SC1: flat plat collectors, SC2: evacuated tubes
  
  # installed locations
  panel_on_roof = True  # flag for considering panels on roof
  panel_on_wall = True  # flag for considering panels on wall
  min_radiation = 0.75  # filtering criteria: at least a minimum production of this % from the maximum in the area.
  
  # panel spacing
  solar_window_solstice = 4 # desired hours of solar window on the solstice
  
  # panel specific inputs
  T_in_SC = 75  # inlet temperature of solar collectors [C]
  T_in_PVT = 35 # inlet temperature of PVT panels [C]
  
  
  ## INTERNAL PARAMETERS
  
  # solar collectors pumping requirements
  dpl_Paperm = 200 # pressure losses per length of pipe according to Solar District Heating Guidelines, [Pa/m]
  fcr = 1.3 # additional loss factor due to accessories
  Ro_kgperm3 = 1000 # water density [kg/m3]
  eff_pumping = 0.6 # pump efficiency
  
  # solar collectors heat losses
  k_msc_max_WpermK = 0.217 # linear heat transmittance coefficient of piping (2*pi*k/ln(Do/Di))) [W/mK]
  
  
  
  
  
  
  
subject: add units to parameters