Primary Energy Savings Through the Application of Thermochemical Recuperation (TCR) on Internal Combustion Engines (ICE)

Autoren

Dipl.-Ing. Ulrich Dehof, Dr.-Ing. Sven Wenzel, OWI gGmbH, Herzogenrath;
Dipl.-Ing. Dominik Pennings, Dr.-Ing. Kurt Imren Yapici, ECC Automotive, Eschweiler

Zusammenfassung

Thermochemical Recuperation (TCR) is used to chemically bind thermal energy of the exhaust in a combustible first and to set it free in the same internal combustion engine (ICE) that produces the hot exhaust. The more thermal energy is chemically
recuperated, the less energy must be spent in order to generate the requested mechanical crankshaft power. Here, we analyse the potential of primary energy saving in a theoretical approach within a system simulation model and within experiment
results. System efficiency, power density, and operation limitations are analysed at a wide variety of operational parameters. In addition, we have designed and built a reformer unit and a combustion engine in a configuration in which they run physically
linked together. We present measured data, results, operation strategies, and further development steps.

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