Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: Scheme of the microturbine for CHP generation

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: Scheme of the MGT-ORC combined cycle for CHP generation

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: Dual fuel natural gas and biomass fired cycle, adopted as topping cycle (screenshot from Gate Cycle®)

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: T-S diagram of the combined cycle composed of a dual fuel EFGT and a bottoming ORC saturated and recuperative cycle

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: Cumulated thermal and electric load for the aggregate residential energy demand assumed for the simulations (cold climate area)

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: Schematic of the CHP + back-up boiler system. The bottom configuration is assumed for case B (100% biomass fuel, electricity totally fed into the grid), while the upper one is referred to cases NG and DF.

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: Annual CHP efficiency (η¯CHP) for the case studies A (MGT + CHP), B (MGT + ORC), and C (MGT + ORC + CHP) at different input fuels (NG: only natural gas; DF: dual fuel of biomass and natural gas; and B: only biomass); CHP operating range is assumed to be 50–100% of rated electric power. Operating strategies: BL (baseload), HD (heat driven), and electricity driven (ED); and the cold, mild, and hot climate conditions.

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: Fossil primary energy saving (FPES, MWh/yr) for the three system configurations and fuel inputs; baseload operating strategy and equivalent heat demand of 1600 h/y (50–80 °C)

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: IRR of the investments (including CHP plant and back-up boiler) for the case studies A–C, different input fuels, operating strategies, and climate conditions

Date of download: 10/9/2017 Copyright © ASME. All rights reserved. From: Externally Fired Micro-Gas Turbine and Organic Rankine Cycle Bottoming Cycle: Optimal Biomass/Natural Gas Combined Heat and Power Generation Configuration for Residential Energy Demand J. Eng. Gas Turbines Power. 2016;139(4):041401-041401-10. doi:10.1115/1.4034721 Figure Legend: NPV of the investments (including CHP plant and back-up boiler) for the case studies A–C, different input fuels, operating strategies, and climate conditions