“The goal of the EcoPeak project is to develop a tool which can be used to predict the effects of hydropeaking on a given indicator species (e.g. brown trout, grayling) for various life stages. In this work, fish are represented as unique thermodynamic entities responding to hydrodynamic and thermodynamic gradients, where in the case of hydropeaking, the hydrodynamic terms are considerably larger. The model development has been heavily influenced by the constructal theory of Adrian Bejan and Sylvie Lorente.
Aspects of theoretical biology have been taken from Robert Rosen's relational biology. The works of Robert Ulanowicz and Donald Mikulecky have also strongly influenced the nature of the fish model development. Deterministic notions have been replaced with a probabilistic assessment of suitable locations, considering a single species and life stage's evolved physiological constraints. The purpose of this work is to incorporate a more rigorous biophysical approach, rooted in irreversible thermodynamics which allows for an improved habitat estimation for fish subject to highly instationary flow regimes.”
|Robotics researcher Maarja Kruusmaa (2014), examining the fish robot sensor prototype, co-developed with Tuhtan and signal processing researcher Joni Kamarainen. (Ѻ)|
|On 29 Jan 2011, Tuhtan had finished reading American electrochemical engineer Libb Thims’ The Human Molecule (2008), wherein fish are conceptualized as 22-element molecules and described thermodynamically.  This inlet into modelling fish thermodynamically gave Tuhtan impetus and direction to his work and, over the next year, used Hmolpedia and its discussion forum, as spring board and research platform to complete his PhD dissertation, entitled: "A Modeling Approach for Alpine Rivers Impacted by Hydropeaking Including the Second Law Inequality", in ecological engineering. |
“The human species is but one of many. Viewed from a sort of universal microscope, we appear as but a vast collection of molecules in motion. In our current state we are firmly attached to an Earthly substrate, feeding off the energy gradient of the Sun. The fate of our chemical species is undeniably tied to the affinities and energies of interaction required to maintain our evolving earth ecosystem. We live in a closed system. In order to understand the nature of things, we must learn more about both our reactions and our products.”— Jeff Tuhtan (2012), PhD “A Modeling Approach for Alpine Rivers Impacted by Hydropeaking Including the Second Law Inequality” (pg. 1); cited by Libb Thims, in his piston and cylinder section (Ѻ), of his 2013 NIU lecture.