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FUZZY DOBA NÁVRATNOSTI INVESTICE DO MODERNIZACE PRODUKČNÍ SÍTĚ [PDF]

open access: yesACC Journal, 2022
Rozdíl mezi výsledkem manažerského propočtu a skutečností lze do velké míry přičíst na vrub neurčitosti. V případě diskontované doby návratnosti (DPP) může jít o nejisté vstupy na úrovni investičních výdajů, cash flow a diskontní sazby.
Hašková Simona   +2 more
doaj   +2 more sources

Comparing energy payback and simple payback period for solar photovoltaic systems [PDF]

open access: yesE3S Web of Conferences, 2017
Installing a solar photovoltaic (PV) array is both an environmental and a financial decision. The financial arguments often take priority over the environmental because installing solar is capital-intensive.
Kessler Will
doaj   +2 more sources

Multi-Objective Optimization of Energy, Exergy, Exergoeconomic Analyses a Double-Pessure Flash-Binary Geothermal Power System Using Zeotropic Working Fluid [PDF]

open access: yesAdvances in Engineering and Intelligence Systems, 2023
Global warming due to greenhouse emission is the most annoying problem for sustaining life on earth. This paper combines a geothermal system with an organic Rankine cycle (ORC).
Arivalagan Pugazhendhi, Van Vang
doaj   +1 more source

Photovoltaic-Based Residential Direct-Current Microgrid and Its Comprehensive Performance Evaluation

open access: yesApplied Sciences, 2023
The “dual carbon” strategy has drawn attention to distributed PV systems for their flexibility and variability, but the rising need for direct-current (DC) loads on the load side has created additional difficulties for microgrid system upgrades.
Wangjie Pan   +5 more
doaj   +1 more source

The Impact of Electrical Energy Consumption on the Payback Period of a Rooftop Grid-Connected Photovoltaic System: A case Study from Vietnam

open access: yesInternational Journal of Renewable Energy Development, 2022
Recently, the use of small-scale grid-connected photovoltaic (GCPV) systems for households has been growing in Vietnam. The installation of a rooftop GCPV system provides many benefits to households, such as lowering monthly electricity bills, reducing ...
Xuan Cuong Ngo, Nhu Y Do
doaj   +1 more source

The impact of the wall insulation material and variable refrigerant flow system on building energy consumption and cost

open access: yesJournal of Mechanical Engineering and Sciences, 2023
The use of VRF system and insulation in building envelope are both considered as promising option to reduce energy consumption of a building. This study analysis energy saving potential of VRF system and building insulation using modelling and ...
Hamza Shaikh   +4 more
doaj   +1 more source

Energy and Stochastic Economic Assessments of Photovoltaic Systems in the East Midlands

open access: yesEnergies, 2023
This study implements techno-economic evaluations of different photovoltaic (PV) systems in the East Midlands of the UK. Three application case studies, including an office building, a domestic building, and a poultry shed, are achieved.
Yuanlong Cui   +4 more
doaj   +1 more source

The Use of Geothermal Energy to Heating Crops under Cover: A Case Study of Poland

open access: yesEnergies, 2021
Among the many different applications of geothermal energy, its use for agricultural production purposes is noteworthy. The use of geothermal water in greenhouse cultivation is the most modern form of production; it enables the implementation of the ...
Sławomir Kurpaska   +4 more
doaj   +1 more source

Performance Improvement of a Flash-Binary Geothermal Power System Using Zeotropic Working Fluid; A Comprehensive Exergoeconomic Analysis and Optimization [PDF]

open access: yesAdvances in Engineering and Intelligence Systems, 2023
In this paper, a geothermal system is combined with an organic Rankine cycle to generate power. The zeotropic mixture is utilized to improve the organic Rankine cycle performance.
Seyed Sajad Mosaviasl   +4 more
doaj   +1 more source

Design, development and techno economic analysis of novel parabolic trough collector for low-temperature water heating applications

open access: yesCase Studies in Thermal Engineering, 2021
The primary objective of this experimentation is to develop and evaluate indigenous PTC capable of producing hot water for low-temperature applications. A new parabolic trough collector is designed; which is easy to accumulate and transport.
Bhargav H. Upadhyay   +7 more
doaj   +1 more source

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