Merge pull request #2221 from HBShaoUFZ/bhe_impl

Applications/ApplicationsLib/ProjectData.cpp

CMakeLists.txt

...exchangers/borehole_heat_exchanger/borehole/i_borehole.md

...exchangers/borehole_heat_exchanger/borehole/t_diameter.md

...t_exchangers/borehole_heat_exchanger/borehole/t_length.md

...ontrol/FixedPowerConstantFlow/c_FixedPowerConstantFlow.md

...temperature_control/FixedPowerConstantFlow/t_flow_rate.md

...and_temperature_control/FixedPowerConstantFlow/t_power.md

...ture_control/FixedPowerFlowCurve/c_FixedPowerFlowCurve.md

...perature_control/FixedPowerFlowCurve/t_flow_rate_curve.md

...ow_and_temperature_control/FixedPowerFlowCurve/t_power.md

...ratureCurveConstantFlow/c_TemperatureCurveConstantFlow.md

...ature_control/TemperatureCurveConstantFlow/t_flow_rate.md

...ntrol/TemperatureCurveConstantFlow/t_temperature_curve.md

...and_temperature_control/i_flow_and_temperature_control.md

...ole_heat_exchanger/flow_and_temperature_control/t_type.md

..._heat_exchangers/borehole_heat_exchanger/grout/i_grout.md

...eat_exchangers/borehole_heat_exchanger/grout/t_density.md

...changers/borehole_heat_exchanger/grout/t_heat_capacity.md

...at_exchangers/borehole_heat_exchanger/grout/t_porosity.md