v0.2.1 - Fourier’s Fable (February, 7 2020)#

New Features#

  • Back end modifications in order to improve calculation speed. For the results see (PR #147).

Documentation#

  • Fixes in code and docstrings to meet PEP8 guidelines (PR #143).

  • Update the class documentations of component and connection classes (PR #146).

Parameter renaming#

Testing#

  • Improve the heat pump test (PR #150).

Bug fixes#

  • Prevent pandas 1.0.0 installation due to bug in the to_csv() method (bug will be fixed in PR #31513 of pandas). Additionally,the version requirements of third party packages have been updated to prevent future bugs resulting from possible API changes (PR #146).

  • There was a bug in the heat exchanger kA-functions ( tespy.components.heat_exchangers.simple.kA_func(), tespy.components.heat_exchangers.base.kA_func() and tespy.components.heat_exchangers.condenser.kA_func()). The factors for the heat transfer coefficient should not simultaneously amplify the value but instead with their inverse.

    \[f_{kA} = \frac{2}{\frac{1}{f_{kA,1}} + \frac{1}{f_{kA,2}}}\]

    For simple heat exchangers, \(f_{kA,2}\) will be equal to 1 (PR #150).

Other changes#

  • Replacing some of the characteristic lines by generic ones. The simulation results using the default lines might slightly differ from the results using the original defaults (PR #149).

Contributors#

  • Francesco Witte (@fwitte)

  • @maltefritz