Pillow-plate heat exchanger design – our methods for accurate sizing and rating of pillow-plate heat exchangers (PPHX) are based on years of research and development. Here is a list of some of our publications on PPHX.

Journal articles

M. Piper, A. Olenberg, J.M. Tran, R. Goedecke, S. Scholl, E.Y. Kenig, Bestimmung charakteristischer Geomtrieparameter von Thermoblech-Wärmeübertragern, Chem. Ing. Tech. 86 (2014) 1214-1222. DOI:

M. Piper, J.M. Tran, E.Y. Kenig, Untersuchung der Fluiddynamik und des Wärmeübergangs bei einphasiger Strömung im welligen Spalt zwischen Thermoblechen, Chem. Ing. Tech. 87 (2015) 216-225. DOI:

A. Lautenschleger, A. Olenberg, E.Y. Kenig, A systematic CFD-based method to investigate and optimise novel structured packings, Chem. Eng. Sci. 122 (2015) 452-464. DOI:

M. Piper, C. Wecker, A. Olenberg, J.M. Tran, E.Y. Kenig, An experimental analysis of the topology and dynamics of a falling liquid film over the wavy surface of a vertical pillow plate, Chem. Eng. Sci. 130 (2015) 129-134. DOI:

M. Piper, A. Olenberg, J.M. Tran, E.Y. Kenig, Determination of the geometric design parameters of pillow-plate heat exchangers, Appl. Therm. Eng. 91 (2015) 1168-1175. DOI:

M. Piper, A. Zibart, J.M. Tran, E.Y. Kenig, Numerical investigation of turbulent forced convection heat transfer in pillow plates, Int. J. Heat Mass Transfer 94 (2016) 516-527. DOI:

A. Olenberg, E.Y. Kenig, Optimization of structured packings using twisted tape inserts, Chem. Eng. Res. Des. 132 (2018) 1-8. DOI:

Conference proceedings

M. Piper, A. Zibart, J.M. Tran, E.Y. Kenig, A numerical study on turbulent single-phase flow and heat transfer in pillow plates, in: Proceedings of the 15th International Heat Transfer Conference, Kyoto, Japan, 2014. DOI:

M. Piper, J.M. Tran, E.Y. Kenig, A CFD-study of the thermo-hydraulic characteristics of pillow-plate heat exchangers, in: Proc. ASME 2016 Summer Heat Transfer Conference, Washington DC, USA, 2016. DOI:

A. Olenberg, E.Y. Kenig, Numerical Simulation of Two-Phase Flow in Representative Elements of Structured Packings, in: Proc. ESCAPE 27 – 27th European Symposium on Computer Aided Process Engineering, Barcelona, Spain, 2017. DOI:

S. Bolte, C. Henkenius, J. Böcker, A.Zibart, E.Y. Kenig, H. Figge, Water-cooled on-board charger with optimized cooling channel, in: Proc. 2017 19th European Conference on Power Electronics and Applications (EPE’17 ECCE Europe), Warsaw, Poland, 2017. DOI:

Book chapter

J. M. Tran, M. Piper, E.Y. Kenig, Pillow-Plate Heat Exchangers: Fundamental Characteristics, In: Innovative Heat Exchangers, H. J. Bart and S. Scholl, Springer International Publishing, 2018, pp. 233-245. DOI:


M. Piper and E.Y. Kenig, inventor; Paderborn University, assignee. Pillow-plate heat exchangers. German patent DE1020160059999A1. 2016 May 18.

A. Zibart and T. Andres, inventor; Benteler Automobiltechnik GmbH, assignee. Vorrichtung und Verfahren zur Ladeluftkühlung einer turboaufgeladenen Verbrennungskraftmaschine. German patent DE102010061525A1. 2012 June 28.