1. Case study of a water bioengineering construction site in Austria. Ecological aspects and application of an environmental life cycle assessment model

   • M. von der Thannen
   • S. Hoerbinger
   • H. P. Rauch

   Original Research Open access 16 August 2021 Pages: 599 - 609

   

2. Design and feasibility study of an on-grid photovoltaic system for green electrification of hotels: a case study of Cedars hotel in Jordan

   • Habis Al-Zoubi
   • Yaqoub Al-Khasawneh
   • Waid Omar

   Original Research 22 June 2021 Pages: 611 - 626

   

3. The experimental verification of the multi-fuel IC engine concept with the use of jet propellant-8 (JP-8) and its blends with pure rapeseed oil

   • Grzegorz Pawlak
   • Patryk Płochocki
   • Tomasz Skrzek

   Original Research Open access 11 June 2021 Pages: 627 - 639

   

4. Multi-objective optimal power flow using a new heuristic optimization algorithm with the incorporation of renewable energy sources

   • Nagarajan Karthik
   • Ayalur Krishnamoorthy Parvathy
   • K. Padmanathan

   Original Research 11 June 2021 Pages: 641 - 678

   

5. Exergy and thermoeconomic analysis of the combined MED desalination system and the Allam power generation system

   • Amir Nazarzadehfard
   • Alireza Saraei
   • Hamid Mohsenimonfared

   Original Research 13 July 2021 Pages: 679 - 687

   

6. Development and testing of a novel geothermal wall system

   • Matteo Baralis
   • Marco Barla

   Original Research Open access 04 July 2021 Pages: 689 - 704

   

7. Energy security-based game theoretic approach for strategies selection in climate risk and energy resources management: a case study of Iran

   • Abdolvahhab Fetanat
   • Ehsan Khorasaninejad
   • Gholamreza Shafipour

   Original Research 21 June 2021 Pages: 705 - 723

   

8. Geometrical nonlinearities and shape effects in electromechanical models of piezoelectric bridge structures

   • Fredrik Ohlsson
   • Pontus Johannisson
   • Cristina Rusu

   Original Research Open access 26 May 2021 Pages: 725 - 738

   

9. Sustainable technical design and economic–environmental analysis of SMART solar street lighting system in Giza City, Egypt

   • Marwa M. Ibrahim
   • Amer M. Elwany
   • Lamiaa K. Elansary

   Original Research 15 June 2021 Pages: 739 - 750

   

10. Natural pozzolan super-absorbent polymer: synthesis, characterization, and its application on plant growing under drought condition

    • Seyda Tugba Gunday
    • Huseyin Tombuloglu
    • Ayhan Bozkurt

    Original Research 15 June 2021 Pages: 751 - 760

    

11. Potential of wind energy in Cameroon based on Weibull, normal, and lognormal distribution

    • Christian Kenfack-Sadem
    • Raphaël Tagne
    • Gerard Nfor Bawe

    Original Research 15 June 2021 Pages: 761 - 786

    

12. Numerical study and optimization of air-conditioning systems grilles used in indoor environments

    • Luis Angeles-Rodríguez
    • Cesar Celis

    Original Research 18 July 2021 Pages: 787 - 804

    

13. Multi-objective optimization design for windows and shading configuration: considering energy consumption, thermal environment, visual performance and sound insulation effect

    • Zicheng Sun
    • Yunzhong Cao
    • Jiarui Yu

    Original Research 28 August 2021 Pages: 805 - 836

    

14. Study on the effects of winglets: wind turbine blades having circular arc blade section profile

    • Nafiz Ahmed Khan
    • Md Quamrul Islam

    Original Research 02 August 2021 Pages: 837 - 853

    

15. Economic investigation of repowering of the existing wind farms with hybrid wind and solar power plants: a case study

    • K. Boopathi
    • S. Ramaswamy
    • K. Balaraman

    Original Research 17 April 2021 Pages: 855 - 871

    

16. Low-cost air quality monitoring system design and comparative analysis with a conventional method

    • Mbarndouka Taamté Jacob
    • Kountchou Noubé Michaux
    • Saïdou

    Original Research 07 August 2021 Pages: 873 - 884