Relevant publications about the theoretical background of the detailed thermal-hydraulic model and its applications:
Radakovic, Z., Sorgic, M. (2010): Basics of Detailed Thermal-Hydraulic Model for Thermal Design of Oil Power Transformers, IEEE Trans. on Power Delivery, Vol. 25, No. 2, 790-802.
M. Sorgic, Z. Radakovic. (2010): Oil-Forced Versus Oil-Directed Cooling of Power Transformers, IEEE Trans. on Power Delivery, Vol. 25, No. 4, 2590-2598.
Radakovic, Z., Sorgic, M., Van der Veken, W., Claessens, G. (2012): Ratings of Oil Power Transformer in different Cooling Modes, IEEE Trans. on Power Delivery, Vol. 27, No. 2, 618-625.
Radakovic, Z., Radoman, U., Kostić, P. (2015): Decomposition of the Hot-Spot Factor, IEEE Trans. on Power Delivery, Vol. 30, No. 1, 403-411.
Radakovic Z., Tenbohlen S. (2016): Thermal model of oil power transformers with tap changer, Turk J Elec Eng & Comp Sci, Vol. 24, 3293-3308.