**About the Special Issue Editors**

**Neven Dui´c** a full professor of power engineering in the Department of Energy, Power Engineering and Environment, Faculty of Mechanical Engineering and Naval Architecture in the University of Zagreb. He has been a member of the Postgraduate Study Committee since 2008 and is also the Chair for Ph.D. studies in the process-energy field. He was Chair of the Faculty Committee for International Projects from 2010 until 2014. Prof. Duic has published 108 original scientific papers ´ and 7 review papers in scientific journals referenced in SCI and CC publications. Eighty-two of his scientific papers are Q1 papers, 39 of which are in the top 5% of journals in the category (according to ISI's Web of Knowledge database). His papers were cited 2173 times in Scopus and 1779 times in Web of Knowledge. His H-index is 28 in Scopus and 24 in Web of Knowledge. According to CROSBI (the Croatian Scientific Bibliography) Prof. Duic has published the highest number of CC ´ scientific papers in technical science since 2007. He has received a National Award for significant scientific achievement in 2016 in the field of engineering sciences. Prof. Duic has successfully ´ led eight Ph.D. students and is currently mentoring five FMENA Ph.D. students. He has been a member of Ph.D. thesis juries for 11 Ph.D. students, seven of whom have gone on to study at foreign universities (Macquarie University, Aalborg University, University of Limerick, Instituto Superior Tecnico, University of Sarajevo, University of Beograd, University of Santander). He is an editor for *Energy Conversion and Management* (Q1), subject editor for the Q1 journal Energy, and a member of the editorial board of the following journals: *Applied Energy* (Q1), *Clean Technologies and Environmental Policy* (Q2), and *Thermal Science* (Q3). Since 2013, he has been the Editor-in-Chief of the *Journal of Sustainable Development of Energy, Water and Environment Systems* (JSDEWES), which was promptly and successfully indexed in the Scopus database. He has organised a series of conferences on the topic of sustainable development of energy, water and environment systems. He was also a member of organising, scientific, and programming committees of more than 57 research conferences. Prof. Duic is a coordinator of Croatian participation in two projects of the ´ Croatian Foundation for Science and over 40 international scientific research projects. He is a national representative of Horizon 2020 projects for ERC/MSCA/FET. His main areas of interest are energy policy and planning, energy economics, sustainable development policy and resource planning, climate change mitigation, combustion engineering and modelling, research and innovation policy. Full CV: http://powerlab.fsb.hr/nduic/.

**M ´ario Costa** is a Full Professor in the area of environment and energy at the Mechanical Engineering Department of Instituto Superior Tecnico. He graduated in Chemical Engineering at University ´ of Coimbra in 1984, obtained his Ph.D. in Mechanical Engineering at Imperial College London in 1992, and his Habilitation in Mechanical Engineering at the Technical University of Lisbon in 2009. Currently, he teaches courses on thermodynamics, combustion, renewables energies, and integrated energy systems. He has supervised 8 Postdocs, 18 Ph.Ds., 75 M.Sc. and 35 Diploma students. He has participated in more than 50 national and international projects in the topic area of energy and environment and has (co-)authored a book, over 130 papers in international peer-reviewed journals, over 170 papers in international conferences, and has given more than 30 invited lectures at other universities and international symposia. Currently, he serves as Associate Editor of the Proceedings of the Combustion Institute and belongs to the Editorial Board of the Aerospace, Combustion and Flame, Energy Conversion and Management, Energies and Energy and Fuels. He was the recipient of the Caleb Brett Award of the Institute of Energy in 1991, the Sugden Award of the British Section of the Combustion Institute in 1991, the Premio Cient ´ ´ıfico Universidade Tecnica de Lisboa/Santander ´ Totta in 2010, a Menc¸ao Honrosa Universidade de Lisboa/Santander Universidades in 2016, and of ˜ the Premio Cient ´ ´ıfico Universidade de Lisboa/Santander Universidades in 2017.

**Qiuwang Wang** is a full professor at the School of Energy and Power Engineering, Xi'an Jiaotong University. He received a B.Sc. in Fluid Machinery and a Ph.D. degree in Engineering Thermophysics from Xi'an Jiaotong University in 1991 and 1996, respectively. He was a visiting scholar at City University of Hong Kong (1998-1999), a guest professor at Kyushu University of Japan (2003), and a senior visiting scholar at Rutgers, The State University of New Jersey, USA since 2013. He is currently teaching the course titled "Heat Transfer" for undergraduate students, and the course "Advanced Heat Transfer" for graduate students, respectively. His research interests include heat transfer enhancement and its applications to engineering problems, high-temperature/high-pressure heat transfer and fluid flow, transport phenomena in porous media, numerical simulation, prediction & optimization, etc. He is a recipient of National Funds for Distinguished Young Scientists by the NSF of China (2010) and was granted the title of Changjiang Scholarship Chair Professor by the Ministry of Education of China (2013), leader of Innovation Team in Key Areas of Ministry of Science and Technology (2016), People Plan of Science and Technology Innovation Leading Talents (2017). His research team obtained the 2nd Grade National Award for Technological Invention of China (2015), and the National Science and Technology Progress Innovation Team Award of China (2017). He is now the China Delegate of Assembly for International Heat Transfer Conferences (AIHTC) (2015-), a member of Scientific Council of the International Centre for Heat and Mass Transfer (ICHMT) (2009-), a vice president of Chinese Society of Engineering Thermophysics in Heat and Mass Transfer (2010-), an Associate Editor of Heat Transfer Engineering since 2011, and is an Editorial Board Member for several international journals such as Energy Conversion and Management, Applied Thermal Engineering, Energies, Frontiers in Energy, etc. He is the Initiator and Chairman of International Workshop on Heat Transfer Advances for Energy Conservation and Pollution Control (IWHT) (which has been taking place every two years since 2011). He has also delivered more than 40 Invited/Keynote lectures in international conferences or foreign universities. He has also authored or co-authored 4 books and more than 180 international journal papers, and obtained 25 China Invention Patents and 2 US Patents.

**Francesco Calise** was born in 1978 and graduated cum laude in mechanical engineering from the University of Naples Federico II, Italy, in 2002. He obtained his Ph.D. degree in mechanical and thermal engineering in 2006. From 2006 to 2014, he was a Researcher and Assistant Professor of applied thermodynamics at the University of Naples Federico II. In 2014, he took the position of Associate Professor at the University of Naples Federico II. His research activity has been mainly focused on the following topics: Fuel cells, advanced optimization techniques, solar thermal systems, concentrating photovoltaic/thermal photovoltaic systems, energy saving in buildings, solar heating and cooling, Organic Rankine Cycles, geothermal energy, dynamic simulations of energy systems, renewable Polygeneration systems, and many others. He was an invited lecturer for some courses/conferences in the UK and Finland. He teaches several courses on energy management and applied thermodynamics at the University of Naples Federico II for B.Sc., M.S. and Ph.D. students. He was a supervisor of several Ph.D. degree theses. He is a reviewer of about 30 international journals. He was involved in several research projects funded by the EU and the Italian Government. He is a member of the Editorial Boards of 10 international journals. He was a Conference Chair and/or member of a scientific committee in several sessions in international conferences, promptly indeed in Scopus. He has organised several of the series of conferences on Sustainable Development of Energy, Water and Environment Systems and was a member of organising, scientific and programming committees of more than 57 other research conferences.

**Poul Alberg Østergaard** is full professor in energy planning at the Department of Planning at Aalborg University, Denmark. He has worked within the field of energy planning since 1995, with a focus on the simulation of energy systems based on high penetrations of renewable energy sources as well as on the design of renewable energy system scenarios. Poul is engaged in various national and international research projects on 4th generation district heating, renewable energy investment strategies for Denmark in an interconnected European context, and smart renewable energy islands modelling tool development for energy system transition, for example. He has an h-index of 29 (Scopus, August 2019). In addition, he has extensive teaching and supervision experience at all levels and is the programme director of the M.Sc. programme in Sustainable Energy Planning and Management at Aalborg University and editor-in-chief of the International Journal of Sustainable Energy Planning and Management. He is or has also acted as guest/co-editor for a number of other energy-related journals including Energy, Energies, Applied Energy, Renewable Energy, Frontiers in Energy Research, and the Journal of Energy. He is one of the main organisers of the annual conference on 4th Generation District Heating and Smart Energy Systems.
