.Buildings.Fluid.Boilers.BoilerPolynomial

Information

This is a model of a boiler whose efficiency is described by a polynomial. See Buildings.Fluid.Boilers.UsersGuide for details.

The parameter effCur determines what polynomial is used to compute the efficiency with the following selections:

where T is the boiler outlet temperature in Kelvin. For effCur = Buildings.Fluid.Types.EfficiencyCurves.Polynomial, an arbitrary number of polynomial coefficients can be specified.

Revisions

• March 7, 2022, by Michael Wetter:
  Set final massDynamics=energyDynamics.
  This is for #1542.
• October 13, 2021, by Hongxiang Fu:
  For the implementation of Buildings.Fluid.Boilers.BoilerTable, moved most of the code to the base model Buildings.Fluid.Boilers.BaseClasses.PartialBoiler. This is for #2651.
• May 27, 2016, by Michael Wetter:
  Corrected size of input argument to Buildings.Utilities.Math.Functions.quadraticLinear for JModelica compliance check.
• May 30, 2014, by Michael Wetter:
  Removed undesirable annotation Evaluate=true.
• October 9, 2013 by Michael Wetter:
  Removed conditional declaration of mDry as the use of a conditional parameter in an instance declaration is not correct Modelica syntax.
• December 14, 2012 by Michael Wetter:
  Renamed protected parameters for consistency with the naming conventions.
• December 22, 2011 by Michael Wetter:
  Added computation of fuel usage and improved the documentation.
• May 25, 2011 by Michael Wetter:
  
  • Removed parameter dT_nominal, and require instead the parameter m_flow_nominal to be set by the user. This was needed to avoid a non-literal value for the nominal attribute of the pressure drop model.
  • Changed assignment of parameters in model instantiation, and updated model for the new base class that does not have a temperature sensor.
• January 29, 2009 by Michael Wetter:
  First implementation.