**Nils T. Basse**

Elsas väg 23, 423 38 Torslanda, Sweden; nils.basse@npb.dk

Received: 14 April 2020; Accepted: 17 April 2020; Published: 22 April 2020

**Keywords:** flow-based optimization; internal and/or external flow; modelling and simulation; computational fluid dynamics; measurements and theory
