| 2019 |
A preliminary test for using a borehole as cool storage |
Martinkauppi, J.B.; Syrjälä, T.; Mäkiranta, A.; Hiltunen, E. |
| 2018 |
Some Aspects of Recycling Concrete Crush for Thermal Heat Storage |
Martinkauppi, J.B.; Syrjala, T.; Makiranta, A.; Hiltunen, E. |
| 2018 |
Seabed Sediment as an Annually Renewable Heat Source |
Mäkiranta, Anne; Martinkauppi, Birgitta; Hiltunen, Erkki; Lieskoski, Mauri |
| 2017 |
Using microalgae to produce liquid transportation biodiesel: What is next? |
Liandong, Zhu; Nugroho, Y.K.; Shakeel, S.R.; Li, Zhaohua; Martinkauppi, B.; Hiltunen, E. |
| 2017 |
Analysis of ground heat exchanger for a ground source heat pump: A study of an existing system to find optimal borehole length to enhance the coefficient of performance |
Haq, Hafiz M. K. U.; Martinkauppi, Birgitta J.; Hiltunen, Erkki |