Heat Recovery Systems for Agricultural Vehicles: Utilization Ways and Their Efficiency

Калініченко, Антоніна; Havrysh, Valerii; Hruban', Vasyl'

doi:10.3390/agriculture8120199

Cited by 24 publications

(14 citation statements)

References 23 publications

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“…This research is based on previous studies of alternative fuel markets [40], the efficiency of biogas utilization pathways [46][47][48], and agricultural feedstock availability [49][50][51].…”

Section: Literature Reviewmentioning

confidence: 99%

Commercial Biogas Plants: Lessons for Ukraine

et al. 2020

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Ukraine has enough biomass resources for biogas production. However, this energy potential is not used sufficiently. This research is aimed at examining the current experience of commercial biogas systems in the Europe Union and its adaptation for Ukraine. Special attention was paid to economic indicators, such as specific investment costs, production costs (biogas, biomethane, and electricity), and incentives. Using statistical data for the European Union and Ukraine, the biogas potential for Ukraine (based on European experience) was determined. The economic competitiveness of biogas production was evaluated compared to alternatives, such as photovoltaic, wind power, biomass, conventional fuels, and liquid biofuels. The results showed that biogas complexes have higher specific investment costs and produce more expensive electricity. It was highlighted that agricultural residues and industrial waste are sustainable feedstocks for biogas systems. A perspective biogas plant is a plant that is an integrated part of the circular bioeconomy that is based on organic residues. Biomethane production (as a substitution for vehicle fuel) combined with capture and utilization of carbon dioxide is a more profitable pathway. Awareness and perception of the importance of biogas are key factors for the development of the biogas industry. To develop an effective strategy for the biogas industry, it is necessary to create a positive image in order to raise awareness and knowledge of biogas technologies.

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Section: Literature Reviewmentioning

confidence: 99%

Commercial Biogas Plants: Lessons for Ukraine

et al. 2020

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“…where SMF is the syngas (produced by thermochemical conversion from one kilogram of origin fuel) mass flow rate (kg/s); OFMF is the origin gaseous fuel mass flow rate (kg/s); LHVs is the lower heating value of syngas (kJ/kg); and LHVof is the lower heating value of origin gaseous fuel (kJ/kg). The waste heat recovery factor (WHRF) is calculated by Equation (3) below [73]:…”

Section: Efficiency Indicatorsmentioning

confidence: 99%

Chemically Recuperated Gas Turbines for Offshore Platform: Energy and Environmental Performance

et al. 2021

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Currently, offshore areas have become the hotspot of global gas and oil production. They have significant reserves and production potential. Offshore platforms are energy-intensive facilities. Most of them are equipped with gas turbine engines. Many technologies are used to improve their thermal efficiency. Thermochemical recuperation is investigated in this paper. Much previous research has been restricted to analyzing of the thermodynamic potential of the chemically recuperated gas turbine cycle. However, little work has discussed the operation issues of this cycle. The analysis of actual fuel gases for the steam reforming process taking into account the actual load of gas turbines, the impact of steam reforming on the Wobbe index, and the impact of a steam-fuel reforming process on the carbon dioxide emissions is the novelty of this study. The obtained simulation results showed that gas turbine engine efficiency improved by 8.1 to 9.35% at 100% load, and carbon dioxide emissions decreased by 10% compared to a conventional cycle. A decrease in load leads to a deterioration in the energy and environmental efficiency of chemically recuperated gas turbines.

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“…If actual ratio of fuel prices γ is less than the critical one γ * , then an investment project is expedient. The above ratio can be used for the sensitive analysis procedure of investment projects [40][41][42]. Let us explore the above function in Equation (15).…”

Section: Modeling Proceduresmentioning

confidence: 99%

The Acceptable Alternative Vehicle Fuel Price

2019

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Historically, petroleum fuels have been the dominant fuel used for land transport. However, the growing need for sustainable national economics has urged us to incorporate more economical and ecological alternative vehicle fuels. The advantages and disadvantages of them complicate the decision-making process and compel us to develop adequate mathematical methods. Alternative fuel (compressed natural gas, liquefied petroleum gas, and ethanol fuel mixtures), the standard prices and their ratios were investigated. A mathematical model to determine a critical ratio between alternative and conventional fuel prices had already been developed. The results of this were investigated. The results showed that the critical ratio is not a linear function on annual conventional fuel consumption costs. According to our simulation gaseous fuels were economically more attractive. Whereas, the use of bioethanol blends had more risk.

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Heat Recovery Systems for Agricultural Vehicles: Utilization Ways and Their Efficiency

Cited by 24 publications

References 23 publications

Commercial Biogas Plants: Lessons for Ukraine

Commercial Biogas Plants: Lessons for Ukraine

Chemically Recuperated Gas Turbines for Offshore Platform: Energy and Environmental Performance

The Acceptable Alternative Vehicle Fuel Price

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