1. “Advanced Control and Fault Detection Strategies for District Heating and Cooling Systems—A Review”
by Simone Buffa, Mohammad Hossein Fouladfar, Giuseppe Franchini, Ismael Lozano Gabarre and Manuel Andrés Chicote
Appl. Sci. 2021, 11(1), 455; https://doi.org/10.3390/app11010455
https://www.mdpi.com/2076-3417/11/1/455

2. “Wind Turbine Prognosis Models Based on SCADA Data and Extreme Learning Machines”
by Pere Marti-Puig, Alejandro Blanco-M., Moisès Serra-Serra and Jordi Solé-Casals
Appl. Sci. 2021, 11(2), 590; https://doi.org/10.3390/app11020590
https://www.mdpi.com/2076-3417/11/2/590

3. “Carbon from Bagasse Activated with Water Vapor and Its Adsorption Performance for Methylene Blue”
by Fitria Rahmawati, Arikasuci Fitonna Ridassepri, Chairunnisa, Agung Tri Wijayanta, Koji Nakabayashi, Jin Miyawaki and Takahiko Miyazaki
Appl. Sci. 2021, 11(2), 678; https://doi.org/10.3390/app11020678
https://www.mdpi.com/2076-3417/11/2/678

4. “Review of Dew Point Evaporative Cooling Technology for Air Conditioning Applications”
by Anna Pacak and William Worek
Appl. Sci. 2021, 11(3), 934; https://doi.org/10.3390/app11030934
https://www.mdpi.com/2076-3417/11/3/934

5. “New Tendencies in Wind Energy Operation and Maintenance”
by Ángel M. Costa, José A. Orosa, Diego Vergara and Pablo Fernández-Arias
Appl. Sci. 2021, 11(4), 1386; https://doi.org/10.3390/app11041386
https://www.mdpi.com/2076-3417/11/4/1386

6. “Towards Phase Change Materials for Thermal Energy Storage: Classification, Improvements and Applications in the Building Sector”
by Christina V. Podara, Ioannis A. Kartsonakis and Costas A. Charitidis
Appl. Sci. 2021, 11(4), 1490; https://doi.org/10.3390/app11041490
https://www.mdpi.com/2076-3417/11/4/1490

7. “Estimation of the Optimum Energy Received by Solar Energy Flat-Plate Convertors in Greece Using Typical Meteorological Years. Part I: South-Oriented Tilt Angles”
by Harry D. Kambezidis and Basil E. Psiloglou
Appl. Sci. 2021, 11(4), 1547; https://doi.org/10.3390/app11041547
https://www.mdpi.com/2076-3417/11/4/1547

8. “PV-Powered Electric Vehicle Charging Stations: Preliminary Requirements and Feasibility Conditions”
by Saleh Cheikh-Mohamad,Manuela Sechilariu, Fabrice Locment and Youssef Krim
Appl. Sci. 2021, 11(4), 1770; https://doi.org/10.3390/app11041770
https://www.mdpi.com/2076-3417/11/4/1770

9. “Efficient Operative Cost Reduction in Distribution Grids Considering the Optimal Placement and Sizing of D-STATCOMs Using a Discrete-Continuous VSA”
by Oscar Danilo Montoya, Walter Gil-González and Jesus C. Hernández
Appl. Sci. 2021, 11(5), 2175; https://doi.org/10.3390/app11052175
https://www.mdpi.com/2076-3417/11/5/2175

10. “Application of Long-Short-Term-Memory Recurrent Neural Networks to Forecast Wind Speed”
by Meftah Elsaraiti and Adel Merabet
Appl. Sci. 2021, 11(5), 2387; https://doi.org/10.3390/app11052387
https://www.mdpi.com/2076-3417/11/5/2387

11. “A 0.3 V, Rail-to-Rail, Ultralow-Power, Non-Tailed, Body-Driven, Sub-Threshold Amplifier”
by Francesco Centurelli, Riccardo Della Sala, Giuseppe Scotti and Alessandro Trifiletti
Appl. Sci. 2021, 11(6), 2528; https://doi.org/10.3390/app11062528
https://www.mdpi.com/2076-3417/11/6/2528

12. “Building Information Modelling and Internet of Things Integration for Facility Management—Literature Review and Future Needs”
by Antonino Mannino, Mario Claudio Dejaco and Fulvio Re Cecconi
Appl. Sci. 2021, 11(7), 3062; https://doi.org/10.3390/app11073062
https://www.mdpi.com/2076-3417/11/7/3062

13. “Towards an Occupancy-Oriented Digital Twin for Facility Management: Test Campaign and Sensors Assessment”
by Elena Seghezzi, Mirko Locatelli, Laura Pellegrini, Giulia Pattini, Giuseppe Martino Di Giuda, Lavinia Chiara Tagliabue and Guido Boella
Appl. Sci. 2021, 11(7), 3108; https://doi.org/10.3390/app11073108
https://www.mdpi.com/2076-3417/11/7/3108

14. “Optimal Multi-Operation Energy Management in Smart Microgrids in the Presence of RESs Based on Multi-Objective Improved DE Algorithm: Cost-Emission Based Optimization”
by Mohammad Ghiasi, Taher Niknam, Moslem Dehghani, Pierluigi Siano, Hassan Haes Alhelou and Amer Al-Hinai
Appl. Sci. 2021, 11(8), 3661; https://doi.org/10.3390/app11083661
https://www.mdpi.com/2076-3417/11/8/3661

15. “Review of Renewable Energy-Based Charging Infrastructure for Electric Vehicles”
by Gamal Alkawsi, Yahia Baashar, Dallatu Abbas U, Ammar Ahmed Alkahtani and Sieh Kiong Tiong
Appl. Sci. 2021, 11(9), 3847; https://doi.org/10.3390/app11093847
https://www.mdpi.com/2076-3417/11/9/3847

16. “PV Benefits Assessment for PV-Powered Charging Stations for Electric Vehicles”
by Youssef Krim, Manuela Sechilariu and Fabrice Locment
Appl. Sci. 2021, 11(9), 4127; https://doi.org/10.3390/app11094127
https://www.mdpi.com/2076-3417/11/9/4127

17. “An Adapted Model of Cognitive Digital Twins for Building Lifecycle Management”
by Ibrahim Yitmen, Sepehr Alizadehsalehi, İlknur Akıner and Muhammed Ernur Akıner
Appl. Sci. 2021, 11(9), 4276; https://doi.org/10.3390/app11094276
https://www.mdpi.com/2076-3417/11/9/4276

18. “Optimal Control for a Hydraulic Recuperation System Using Endoreversible Thermodynamics”
by Robin Masser and Karl Heinz Hoffmann
Appl. Sci. 2021, 11(11), 5001; https://doi.org/10.3390/app11115001
https://www.mdpi.com/2076-3417/11/11/5001

19. “Perspectives on Cathodes for Protonic Ceramic Fuel Cells”
by Glenn C. Mather, Daniel Muñoz-Gil, Javier Zamudio-García, José M. Porras-Vázquez, David Marrero-López and Domingo Pérez-Coll
Appl. Sci. 2021, 11(12), 5363; https://doi.org/10.3390/app11125363
https://www.mdpi.com/2076-3417/11/12/5363

20. “A State-of-Art-Review on Machine-Learning Based Methods for PV”
by Giuseppe Marco Tina, Cristina Ventura, Sergio Ferlito and Saverio De Vito
Appl. Sci. 2021, 11(16), 7550; https://doi.org/10.3390/app11167550
https://www.mdpi.com/2076-3417/11/16/7550