Relevant bibliographies by topics / Energy and exergy analyses

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Energy and exergy analyses'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Energy and exergy analyses"

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Okunola, Abiodun, Timothy Adekanye, and Endurance Idahosa. "Energy and exergy analyses of okra drying process in a forced convection cabinet dryer." Research in Agricultural Engineering 67, No. 1 (March 31, 2021): 8–16. http://dx.doi.org/10.17221/48/2020-rae.

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A forced convection automatic cabinet dryer integrated with a data logger was designed and fabricated. The okra samples were dried in the dryer at drying temperatures of 50, 60, and 70 °C and at three different load densities of 200, 300, and 400 g at a continuous air velocity of 0.7 m·s<sup>–1</sup>. Energy and exergy analyses of the drying process were performed. The obtained results showed that the energy efficiency, energy utilisation, and utilisation ratio increased from 26.59 to 68.24%, 5.47 to 114.36 W, and 0.36 to 0.71 as the temperature increased to 70 °C, respectively. The inflow, outflow, and exergy losses were in the range of 7.02 to 26.14 W, 4.43 to 14.16 W, and 2.59 to 11.98 W, respectively, while exergy efficiency varied from 49.15 to 63.47%. The findings show that exergy efficiencies decrease with an increase in the drying temperature, but increase with a lower load rate. The index of sustainability varies from 2.14 to 2.77, the value increases as the load density decreases while it decreases with a temperature increment.
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Ziębik, Andrzej, and Paweł Gładysz. "Systems approach to energy and exergy analyses." Energy 165 (December 2018): 396–407. http://dx.doi.org/10.1016/j.energy.2018.08.214.

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Saloux, E., M. Sorin, and A. Teyssedou. "Exergo-economic analyses of two building integrated energy systems using an exergy diagram." Solar Energy 189 (September 2019): 333–43. http://dx.doi.org/10.1016/j.solener.2019.07.070.

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Tiwari, G. N., Tribeni Das, C. R. Chen, and P. Barnwal. "Energy and exergy analyses of greenhouse fish drying." International Journal of Exergy 6, no. 5 (2009): 620. http://dx.doi.org/10.1504/ijex.2009.027493.

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Bayrak, Mustafa, Adnan Midilli, and Kemal Nurveren. "Energy and exergy analyses of sugar production stages." International Journal of Energy Research 27, no. 11 (2003): 989–1001. http://dx.doi.org/10.1002/er.916.

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Sayin, C., M. Hosoz, M. Canakci, and I. Kilicaslan. "Energy and exergy analyses of a gasoline engine." International Journal of Energy Research 31, no. 3 (2007): 259–73. http://dx.doi.org/10.1002/er.1246.

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Cheng, Ching-Shang, and Yen-Shiang Shih. "Exergy and energy analyses of absorption heat pumps." International Journal of Energy Research 12, no. 2 (March 1988): 189–203. http://dx.doi.org/10.1002/er.4440120202.

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Özdoĝan, Si̇bel, and Mahi̇r Arikol. "Energy and exergy analyses of selected Turkish industries." Energy 20, no. 1 (January 1995): 73–80. http://dx.doi.org/10.1016/0360-5442(94)00054-7.

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Rosen, M. "Energy and exergy analyses of electrolytic hydrogen production." International Journal of Hydrogen Energy 20, no. 7 (July 1995): 547–53. http://dx.doi.org/10.1016/0360-3199(94)00102-6.

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Ehyaei, M. A., A. Ahmadi, and Marc A. Rosen. "Energy, exergy, economic and advanced and extended exergy analyses of a wind turbine." Energy Conversion and Management 183 (March 2019): 369–81. http://dx.doi.org/10.1016/j.enconman.2019.01.008.

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Dissertations / Theses on the topic "Energy and exergy analyses"

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Dilek, Murat. "Energy And Exergy Analyses Of A High School Heating System." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12608321/index.pdf.

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This thesis presents energy, exergy and economic analyses of the heating system of an existing building, the Konya Central Informatics Technical High School. The heat requirement for each room of the building is found by calculating heat losses. Radiator lengths that can provide the heat requirements are selected. For the exergy analysis, the system is divided into three parts: Heat generator, radiators and rooms. Comparisons are made according to minimum outdoor temperature, insulation quality of the structural elements, fuel type, heating water temperature and heat generator type (boiler, heat pump, cogeneration unit with heat pump) to see their effects on energy usage, exergy consumption, capital costs and annual operating cost of the system. Results show that the largest heat loss is due to infiltration but it should not be reduced because of the fresh air requirement. Minimum energy usage, exergy consumptions and annual operating cost is achieved by using the cogeneration unit with the heat pump. However, due to high capital cost it has a long payback period (45.3 years). The shortest payback period (3.2 years) is calculated for upgrading the windows to 4 mm double glass panes and 12 mm stagnant air gap.
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Gong, Mei, Göran Wall, and Sven Werner. "Energy and exergy analysis of district heating systems." Högskolan i Halmstad, Energiteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-20298.

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The concept of exergy is defined and applied to district heating systems. The influence from different reference state conditions and system boundaries are explained in some detail. The aim is to show the simplicity and value of using the concept of exergy when analyzing district heating processes. The exergy factor is introduced and applied for a number of Swedish and Danish district heating systems. This varies from 14.2% to 22.5% for Swedish district heating systems. The higher the exergy factor, the more the exergy losses in the passive conversion towards space heating. Large losses revealed in an exergy treatment of a process should be seen as a challenge to achieve technical improvements of the system.
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Quintanilla, Muñoz Alberto Martin. "Energy and exergy analysis of an HVAC system." Master's thesis, Pontificia Universidad Católica del Perú, 2017. http://tesis.pucp.edu.pe/repositorio/handle/123456789/9642.

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The efficient use of energy is a major issue nowadays. Environmental and economic purposes push various investigations to focus on the performances of energy systems and equipment. In the context of the coming energy transition, Heat, Ventilation and Air Conditioning (HVAC) systems will certainly take an increasing and worldwide importance. In this work, energy and exergy analysis are used to assess the performances of each component of an air treatment station. Results of energy and exergy analysis for each process are presented. The most important result is that simple heating and cooling processes with deshumidification have the worst exergy efficiencies; and that both processes represent almost all the exergy losses of the studied HVAC system.
Tesis
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Colpan, Can Ozgur. "Exergy Analysis Of Combined Cycle Cogeneration Systems." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12605993/index.pdf.

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In this thesis, several configurations of combined cycle cogeneration systems proposed by the author and an existing system, the Bilkent Combined Cycle Cogeneration Plant, are investigated by energy, exergy and thermoeconomic analyses. In each of these configurations, varying steam demand is considered rather than fixed steam demand. Basic thermodynamic properties of the systems are determined by energy analysis utilizing main operation conditions. Exergy destructions within the system and exergy losses to environment are investigated to determine thermodynamic inefficiencies in the system and to assist in guiding future improvements in the plant. Among the different approaches for thermoeconomic analysis in literature, SPECO method is applied. Since the systems have more than one product (process steam and electrical power), systems are divided into several subsystems and cost balances are applied together with the auxiliary equations. Hence, cost of each product is calculated. Comparison of the configurations in terms of performance assessment parameters and costs per unit of exergy are also given in this thesis.
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Molinari, Marco. "Exergy Analysis in Buildings : A complementary approach to energy analysis." Licentiate thesis, KTH, Civil and Architectural Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11537.

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Though mandatory to be pursued, improved energy efficiency is not the only target to reach. The quality of energy has to be assessed as well. Most of the overall energy use in residential building is for low temperature heat, i.e. temperatures relatively close to the outdoor conditions. From a thermodynamic point of view, this is a degraded form of energy with low potential to be converted into work. On the other hand energy demand is mostly met with high quality energy, such as electricity and natural gas. There is a mismatch between supply and demand, which is not clearly shown by the sole energy analysis. Target of this thesis is to analyze the energy use in buildings from the point of view of its quality, to provide effective theoretical and calculation tools to investigate this mismatch, to assess its magnitudo and to propose improvements aiming at a more rational use of the energy. The idea behind the quality is clarified with the concept of exergy.

The potential for improvement in space heating is shown. In no heating system the overall exergy efficiency is above 20%, with fossil fuels. Using direct electricity heating results in exergy efficiency below 7%. Most of the household appliances processes have low-exergy factors but still are supplied with electricity. This results in poor exergy efficiencies and large exergy losses.

Systems are poorly performing because little consideration is explicitly given to energy quality. Policies to lower the energy demand, though vital as first step towards an improved use of energy, should not neglect the exergy content.

The problem is then shifted to find suitable supplies. Electricity can be exploited with low exergy losses with high-COP heat pumps. Use of fossil fuels for heating purposes should be avoided. District heating from cogeneration and geothermal proves to be a suitable solution at the building level. The issues connected to its exploitation forces to shift the boundary layers of the analysis from the building level to the community level. A rational use of energy should address the community level. The system boundaries have to be enlarged to a dimension where both the energy conversion and use take place with reduced energy transportation losses. This is a cost-effective way to avoid the waste of the exergy potential of the sources with exergy cascade and to make it possible the integration of with renewable sources. Exergy efficiency of the buildings is a prerequisite for a better of energy in this field.


IEA ECBCS Annex 49: Low Exergy Systems for High Performance Buildings and Communities
ESF Cost C24: Analysis and Design of Innovative Systems for Low-EXergy in the Built Environment: COSTeXergy
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Boldon, Lauren. "Sustainability Efficiency Factor| Measuring Sustainability in Advanced Energy Systems through Exergy, Exergoeconomic, Life Cycle, and Economic Analyses." Thesis, Rensselaer Polytechnic Institute, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10010649.

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The Encyclopedia of Life Support Systems defines sustainability or industrial ecology as ?the wise use of resources through critical attention to policy, social, economic, technological, and ecological management of natural and human engineered capital so as to promote innovations that assure a higher degree of human needs fulfilment, or life support, across all regions of the world, while at the same time ensuring intergenerational equity? (Encyclopedia of Life Support Systems 1998). Developing and integrating sustainable energy systems to meet growing energy demands is a daunting task. Although the technology to utilize renewable energies is well understood, there are limited locations which are ideally suited for renewable energy development. Even in areas with significant wind or solar availability, backup or redundant energy supplies are still required during periods of low renewable generation. This is precisely why it would be difficult to make the switch directly from fossil fuel to renewable energy generation. A transition period in which a base-load generation supports renewables is required, and nuclear energy suits this need well with its limited life cycle emissions and fuel price stability. Sustainability is achieved by balancing environmental, economic, and social considerations, such that energy is produced without detriment to future generations through loss of resources, harm to the environment, etcetera. In essence, the goal is to provide future generations with the same opportunities to produce energy that the current generation has. This research explores sustainability metrics as they apply to a small modular reactor (SMR)-hydrogen production plant coupled with wind energy and storage technologies to develop a new quantitative sustainability metric, the Sustainability Efficiency Factor (SEF), for comparison of energy systems. The SEF incorporates the three fundamental aspects of sustainability and provides SMR or nuclear hybrid energy system (NHES) reference case studies to (1) introduce sustainability metrics, such as life cycle assessment, (2) demonstrate the methods behind exergy and exergoeconomic analyses, (3) provide an economic analysis of the potential for SMR development from first-of-a-kind (FOAK) to nth-of-a-kind (NOAK), thereby illustrating possible cost reductions and deployment flexibility for SMRs over large conventional nuclear reactors, (4) assess the competitive potential for incorporation of storage and hydrogen production in NHES and in regulated and deregulated electricity markets, (5) compare an SMR-hydrogen production plant to a natural gas steam methane reforming plant using the SEF, and (6) identify and review the social considerations which would support future nuclear development domestically and abroad, such as public and political/regulatory needs and challenges. The Global Warming Potential (GWP) for the SMR (300 MWth)-wind (60 MWe)-high temperature steam electrolysis (200 tons Hydrogen per day) system was calculated as approximately 874 g CO2-equivalent as part of the life cycle assessment. This is 92.6% less than the GWP estimated for steam methane reforming production of hydrogen by Spath and Mann. The unit exergetic and exergoeconomic costs were determined for each flow within the NHES system as part of the exergy/exergoeconomic cost analyses. The unit exergetic cost is lower for components yielding more meaningful work like the one exiting the SMR with a unit exergetic cost of 1.075 MW/MW. In comparison, the flow exiting the turbine has a very high unit exergetic cost of 15.31, as most of the useful work was already removed through the turning of the generator/compressor shaft. In a similar manner, the high unit exergoeconomic cost of $12.45/MW*sec is observed for the return flow to the reactors, because there is very little exergy present. The first and second law efficiencies and the exergoeconomic factors were also determined over several cases. For the first or base SMR case, first and second law efficiencies of 81.5% and 93.3% were observed respectively. With an increase in reactor outlet temperature of only 20?C, both the SMR efficiencies increased, while the exergoeconomic factor decreased by 0.2%. As part of the SMR economic analysis, specific capital and total capital investment costs (TCIC) were determined in addition to conditional effects on the net present value (NPV), levelized cost of electricity (LCOE), and payback periods. For a 1260 MWe FOAK multi-module SMR site with 7 modules, the specific capital costs were 27-38% higher than that of a 1260 MWe single large reactor site. A NOAK site, on the other hand, may be 19% lower to 18% higher than the large reactor site, demonstrating that it may break even or be even more economical in average or favorable market conditions. The NOAK TCIC for single and multi-module SMR sites were determined to be $914-$1,230 million and $660-$967 million per module, respectively, reflecting the substantial savings incurred with sites designed for and deployed with multiple modules. For the same NOAK 7-unit multi-module site, the LCOE was calculated as $67-$84/MWh, which is slightly less than that of the conventional large reactor LCOE of $89/MWh with a weighted average cost of capital of 10%, a 50%-50% share of debt and equity, and a corporate tax rate of 35%. The payback period for the SMR site, however, is 4 years longer. Construction delays were also analyzed to compare the SMR and large reactor sites, demonstrating the SMR NPV and LCOE are less sensitive to delays. For a 3 year delay, the SMR NPV decreased by 22%, while the large reactor NPV decreased by 34.1%. Similarly the SMR and large reactor LCOEs increased by 7.8% and 8.1%, respectively. An NHES case with hydrogen production and storage was performed, illustrating how the profit share of revenue is improved with the addition of hydrogen production. Although the costs are increased with the addition, 78% of the hydrogen revenue is profit, while only 50% of the electricity generation revenue is profit. A second NHES case study was analyzed to assess the NPV, LCOE, and payback differences in deregulated and regulated electricity markets. For a 60 year lifetime, Case C (with nuclear, wind, and hydrogen production) is economical in the deregulated market with an NPV of ~$66.3 million and a payback period of 10 years, but not in the regulated one with an NPV of approximately -$115.3 million and a payback period of 11 years. With either market type, the plants levelized costs remain $82.82/MWh, which is still reasonable with respect to prior LCOE values determined for SMR and large reactor sites. Utilizing all the methodology and results obtained and presented in this thesis, the SEF may be calculated. The NHES SEF was determined to be 18.3% higher than that of natural gas steam methane reforming, illustrating a higher level of sustainability. The SEF quantitatively uses the exergoeconomic cost and irreversibilities obtained from the exergy analysis, the GWP obtained from the life cycle assessment and costs/fees associated with emissions and pollutants, and relevant economic data obtained from an economic analysis. This reflects the environmental, socio-political, and economic pillars of sustainability.

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Khattak, Sanober Hassan. "An exergy based method for resource accounting in factories." Thesis, De Montfort University, 2016. http://hdl.handle.net/2086/12488.

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In the current global climate of declining fossil fuel reserves and due to the impact of industry on the natural environment, industrial sustainability is becoming ever more important. However, sustainability is quite a vague concept for many, and there are a range of interpretations of the word. If the resource efficiency of a factory is taken as a measure of its sustainability, then the concept becomes better defined and quantifiable. In order to analyse the resource efficiency of a factory and suggest improvements, all flows through the manufacturing system need to be modelled. However the factory is a complex environment, there is a wide variation in the quality levels of energy as well as the composition of material flows in the system. The research presented in this thesis shows how the thermodynamics-based concept of ‘exergy’ can be used to quantify the resource efficiency of a factory. The factory is considered an ‘integrated system’, meaning it is composed of the building and the production processes, both interacting with each other. This is supported by three case studies in different industries that demonstrate the practical application of the approach. A review of literature identified that it was appropriate to develop a novel approach that combined exergy analysis with the integrated view of the factory. Such an approach would allow a ‘holistic’ assessment of resource efficiency for different technology options possibly employable. The development of the approach and its illustration through practical case studies is the main contribution of the work presented. Three case studies, when viewed together, illustrate all aspects of the novel exergy based resource accounting approach. The first case study is that of an engine production line, in which the resource efficiency of this part of the factory is analysed for different energy system options relating to heating ventilation and air conditioning. Firstly, the baseline is compared with the use of a solar photovoltaic array to generate electricity, and then a heat recovery unit is considered. Finally, both of these options were used together, and here it is found that the non-renewable exergy supply and exergy destruction are reduced by 51.6% and 49.2% respectively. The second case study is that of a jaggery (a sugar substitute) production line. The exergy efficiency of the process is calculated based on varying the operating temperature of the jaggery furnace. The case study describes the modelling of al flows through the jaggery process in terms of exergy. Since this is the first example of an exergy analysis of a jaggery process, it can be considered a minor contribution of the work. An imaginary secondary process that could utilize the waste heat from the jaggery process is considered in order to illustrate the application of the approach to industrial symbiosis. The non-renewable exergy supply and exergy destruction are determined for the baseline and the alternative option. The goal of this case study is not to present a thermally optimized design; rather it illustrates how the exergy concept can be used to assess the impact of changes to individual process operations on the overall efficiency in industrial symbiosis. When considering natural resource consumption in manufacturing, accounting for clean water consumption is increasingly important. Therefore, a holistic methodology for resource accounting in factories must be able to account for water efficiency as well. The third case study is that of a food production facility where the water supply and effluent are modelled in terms of exergy. A review of relevant literature shows that previously, the exergy content of only natural water bodies and urban wastewater had been quantified. To the author’s knowledge, this is the first example of applying this methodology of modelling water flows in a manufacturing context. The results show that due to a high amount of organic content in food process effluent, there is significant recoverable exergy in it. Therefore, a hypothetical water treatment process was assumed to estimate the possible savings in exergy consumption. The results show that at least a net 4.1% savings in terms of exergy could be possible if anaerobic digestion water treatment was employed. This result can be significant for the UK since the food sector forms a significant portion of the industry in the country. Towards the end of the thesis, a qualitative study is also presented that aims to evaluate the practical utility of the approach for the industry. A mixed method approach was used to acquire data from experts in the field and analyse their responses. The exergy based resource accounting method developed in this thesis was first presented to them before acquiring the responses. A unanimous view emerged that the developed exergy based factory resource accounting methodology has good potential to benefit industrial sustainability. However, they also agreed that exergy was too complex a concept to be currently widely applied in practice. To this effect, measures that could help overcome this barrier to its practical application were presented which form part of future work.
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Kilkis, Siir. "A Rational Exergy Management Model to Curb CO2 Emissions in the Exergy-Aware Built Environments of the Future." Doctoral thesis, KTH, Byggnadsteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-42469.

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This thesis puts forth the means of a strategic approach to address a persistent problem in the energy system and in this way, to transition the built environment to a future state that is more exergy-aware to curb CO2 emissions. Such a vision is made possible by the six-fold contributions of the research work: I) An analytical model is developed, which for the first time, formulates the CO2 emissions that are compounded in the energy system as a function of the systematic failures to match the supply and demand of exergy. This model is namely the Rational Exergy Management Model or REMM. II) REMM is then applied to analyze the pathways in which it is possible to lead the built environment into addressing structural overshoots in its exergy supply to curb CO2 emissions. The cases that embody these pathways are also analyzed over a base case, including cases for sustainable heating and cooling. III) New tools are designed to augment decision-making and exemplify a paradigm shift in the more rational usage of exergy to curb CO2 emissions. These include a scenario-based analysis tool, new options for CO2 wedges, and a multi-fold solution space for CO2 mitigation strategies based on REMM. IV) The concept of a net-zero exergy building (NZEXB) is developed and related to REMM strategies as the building block of an exergy-aware energy system. The target of a NZEXB is further supported by key design principles, which address shortcomings in state-of-the-art net-zero design. V) A premier building that deployed the key design principles to integrate building technology in an innovative, exergy-aware design and received LEED Platinum is analyzed on the basis of the NZEXB target. The results validate that this building boosts net self-sufficiency and curbs compound CO2 emissions, which are then presented in a proposed scheme to benchmark and/or label future NZEXBs. VI) Based on the scalability of the best-practices of the NZEXB ready building, the means to realize a smarter energy system that has exergy-aware relations in each aspect of the value chain to curb CO2 emissions are discussed. This includes a target for such a network at the community level, namely a net-zero exergy community (NZEXC). As a whole, the results of the thesis indicate that the strategic approach as provided by REMM and the NZEXB target of the research work has the potential to steer the speed and direction of societal action to curb CO2 emissions. The thesis concludes with a roadmap that represents a cyclical series of actions that may be scaled-up at various levels of the built environment in a transition to be in better balance with the Planet.
QC 20111014
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Feng, Ming. "An Exergy Based Engineering and Economic Analysis of Sustainable Building." FIU Digital Commons, 2008. http://digitalcommons.fiu.edu/etd/63.

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To achieve the goal of sustainable development, the building energy system was evaluated from both the first and second law of thermodynamics point of view. The relationship between exergy destruction and sustainable development were discussed at first, followed by the description of the resource abundance model, the life cycle analysis model and the economic investment effectiveness model. By combining the forgoing models, a new sustainable index was proposed. Several green building case studies in U.S. and China were presented. The influences of building function, geographic location, climate pattern, the regional energy structure, and the technology improvement potential of renewable energy in the future were discussed. The building’s envelope, HVAC system, on-site renewable energy system life cycle analysis from energy, exergy, environmental and economic perspective were compared. It was found that climate pattern had a dramatic influence on the life cycle investment effectiveness of the building envelope. The building HVAC system energy performance was much better than its exergy performance. To further increase the exergy efficiency, renewable energy rather than fossil fuel should be used as the primary energy. A building life cycle cost and exergy consumption regression model was set up. The optimal building insulation level could be affected by either cost minimization or exergy consumption minimization approach. The exergy approach would cause better insulation than cost approach. The influence of energy price on the system selection strategy was discussed. Two photovoltaics (PV) systems – stand alone and grid tied system were compared by the life cycle assessment method. The superiority of the latter one was quite obvious. The analysis also showed that during its life span PV technology was less attractive economically because the electricity price in U.S. and China did not fully reflect the environmental burden associated with it. However if future energy price surges and PV system cost reductions were considered, the technology could be very promising for sustainable buildings in the future.
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Johnson, Matthew. "Sustainable design analysis of waterjet cutting through exergy/energy and LCA analysis." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0003231.

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Books on the topic "Energy and exergy analyses"

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Querol, Enrique. Practical Approach to Exergy and Thermoeconomic Analyses of Industrial Processes. London: Springer London, 2013.

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Dinçer, İbrahim. Exergy: Energy, environment, and sustainable development. Amsterdam: Elsevier, 2007.

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Marc, Rosen, ed. Exergy: Energy, environment, and sustainable development. Amsterdam: Elsevier, 2007.

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Szargut, Jan. Exergy analysis of thermal, chemical, and metallurgical processes. New York: Hemisphere, 1988.

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G, Wilson David, and SpringerLink (Online service), eds. Nonlinear Power Flow Control Design: Utilizing Exergy, Entropy, Static and Dynamic Stability, and Lyapunov Analysis. London: Springer-Verlag London Limited, 2011.

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Desideri, Umberto, Giampaolo Manfrida, and Enrico Sciubba, eds. ECOS 2012. Florence: Firenze University Press, 2012. http://dx.doi.org/10.36253/978-88-6655-322-9.

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The 8-volume set contains the Proceedings of the 25th ECOS 2012 International Conference, Perugia, Italy, June 26th to June 29th, 2012. ECOS is an acronym for Efficiency, Cost, Optimization and Simulation (of energy conversion systems and processes), summarizing the topics covered in ECOS: Thermodynamics, Heat and Mass Transfer, Exergy and Second Law Analysis, Process Integration and Heat Exchanger Networks, Fluid Dynamics and Power Plant Components, Fuel Cells, Simulation of Energy Conversion Systems, Renewable Energies, Thermo-Economic Analysis and Optimisation, Combustion, Chemical Reactors, Carbon Capture and Sequestration, Building/Urban/Complex Energy Systems, Water Desalination and Use of Water Resources, Energy Systems- Environmental and Sustainability Issues, System Operation/ Control/Diagnosis and Prognosis, Industrial Ecology.
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Dincer, Ibrahim, Adnan Midilli, and Haydar Kucuk, eds. Progress in Exergy, Energy, and the Environment. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04681-5.

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Júnior, Silvio de Oliveira. Exergy: Production, Cost and Renewability. London: Springer London, 2013.

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author, Schönleber Konrad, ed. Physics of energy conversion. Berlin: de Gruyter, 2015.

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Yantovskii, E. I. Energy and exergy currents: An introduction to exergonomics. New York: Nova Science, 1994.

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Book chapters on the topic "Energy and exergy analyses"

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Blok, Kornelis, and Evert Nieuwlaar. "Exergy analysis." In Introduction to Energy Analysis, 137–59. Third edition. | Abingdon, Oxon; New York, NY: Routledge, 2021.: Routledge, 2020. http://dx.doi.org/10.4324/9781003003571-7.

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Tiwari, G. N., Arvind Tiwari, and Shyam. "Exergy Analysis." In Energy Systems in Electrical Engineering, 653–69. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0807-8_19.

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de Oliveira, Silvio. "Exergy, Exergy Costing, and Renewability Analysis of Energy Conversion Processes." In Exergy, 5–53. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4165-5_2.

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Lombardo, G., F. Guillet, E. Muratore, and S. Viinikainen. "Exergy and Pinch Analyses of Kraft Pulp Mill." In Energy Efficiency in Process Technology, 1268–76. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1454-7_111.

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Dincer, Ibrahim, and Marc A. Rosen. "Exergy Analysis of Green Energy Systems." In Green Energy, 17–65. London: Springer London, 2011. http://dx.doi.org/10.1007/978-1-84882-647-2_2.

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Rosen, M. A., and D. A. Horazak. "Energy and exergy analyses of PFBC power plants." In Pressurized Fluidized Bed Combustion, 419–48. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0617-7_11.

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Leoncini, Lorenzo, and Marta Giulia Baldi. "Building Thermal Exergy Analysis." In Mediterranean Green Buildings & Renewable Energy, 541–51. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30746-6_40.

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Srinivas, T. "Exergy Analysis for Energy Systems." In Exergy for A Better Environment and Improved Sustainability 1, 1225–33. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-62572-0_78.

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Hogerwaard, Janette, and Ibrahim Dincer. "Energy and Exergy Analyses of a Combined Multigeneration System." In Progress in Exergy, Energy, and the Environment, 133–44. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04681-5_12.

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Moran, M. J. "Fundamentals of Exergy Analysis and Exergy-Aided Thermal Systems Design." In Thermodynamic Optimization of Complex Energy Systems, 73–92. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4685-2_5.

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Conference papers on the topic "Energy and exergy analyses"

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Li, Yang, Yanfeng Liu, and Jiaping Liu. "Energy and exergy analyses of solar heating system." In 2013 International Conference on Materials for Renewable Energy and Environment (ICMREE). IEEE, 2013. http://dx.doi.org/10.1109/icmree.2013.6893840.

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Fagbenle, Richard Olayiwola, Sunday Sam Adefila, Sunday Oyedepo, and Moradeyo Odunfa. "Exergy, Exergoeconomic and Exergoenvironomic Analyses of Selected Gas Turbine Power Plants in Nigeria." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-40311.

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Energy supply trends as well as environmental regulations and climate change issues have made it necessary to closely scrutinize the way energy is utilized. Efficient energy utilization thus requires paying more attention to accurate and advanced thermodynamic analysis of thermal systems. Hence, methods aimed at evaluating the performances of energy systems take into account the Energy, Environment and Economics. Therefore, the first and second law of thermodynamics combined with economics and environmental impact represents a very powerful tool for the systematic study and optimization of energy systems. In this study, a thermodynamic analysis of eleven selected gas turbine power plants in Nigeria was carried out using the first and second laws of thermodynamics, economic and environmental impact concepts. Exergetic, exergo-economic and exergo-environmental analyses were conducted using operating data obtained from the power plants to determine the exergy destruction and exergy efficiency of each major component of the gas turbine in each power plant. The exergy analysis confirmed that the combustion chamber is the most exergy destructive component compared to other cycle components as expected. The percentage exergy destruction in combustion chamber varied between 86.05 and 94.6%. Increasing the gas turbine inlet temperature (GTIT), the exergy destruction of this component can be reduced. Exergo-economic analysis showed that the cost of exergy destruction is high in the combustion chamber and by increasing the GTIT effectively decreases this cost. The exergy costing analysis revealed that the unit cost of electricity produced in the plants ranged from cents 1.88/kWh (₦2.99/kWh) to cents 5.65/kWh (₦8.98/kWh). Exergo-environmental analysis showed that the CO2 emissions varied between 100.18 to 408.78 kgCO2/MWh while cost rate of environmental impact varied from 40.18 $/h (N6, 388.62/h) to 276.97 $/h (N44, 038.23/h). The results further showed that CO2 emissions and cost of environmental impact decrease with increasing GTIT.
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Doseva, Nadezhda. "ENERGY AND EXERGY ANALYSES OF COGENERATION SYSTEM WITH A BIOGAS ENGINE." In 14th SGEM GeoConference on ENERGY AND CLEAN TECHNOLOGIES. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b41/s17.023.

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Haq, M. Z., and A. Morshed. "Energy and Exergy Based Analyses of a Multi-Fuelled SI Engine." In ASME 2013 Power Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/power2013-98279.

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The paper presents energy and exergy based analyses of a single cylinder, four-stroke, spark ignition engine fuelled by six different fuels namely iso-octane, methane, hydrogen, methanol, ethanol and n-butanol. Wiebe function is used to predict realistic burn rates. Since the Wiebe function parameters are generally optimized for conventional fuels, the current study modifies them for different alternative fuels using available burning velocity data. Heat losses throughout the cycle have been predicted by empirical correlations. Analyses are carried out to quantify energy and exergy of the premixed fuel-air mixture inside the engine cylinder at various phases of the cycle and some results obtained from the study are validated against data available in literature. Both energy and exergy destructions are found to be dependent on the fuels and engine operating parameters. Results show that at 1000 rpm, about 34–39% of energy contained in the fuel is converted into useful work and this quantity is found to increase with engine speed. Exergies associated with exhaust are found significantly lower than the corresponding energy values for all fuels. The present study highlights the necessity of both energy and exergy analyses to probe and identify the sources of work potential losses in SI engines in various phases of the cycle.
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Law, B., and B. V. Reddy. "Energy and Exergy Analyses of a Natural Gas Fired Combined Cycle Cogeneration System." In ASME 2007 Energy Sustainability Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/es2007-36257.

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Combined cycle cogeneration systems have the ability to produce power and process heat more efficiently, leading to higher performance and reduced green house gas emissions. In the present work the performance of a natural gas fired combined cycle cogeneration unit with multiple process heaters is investigated to study the effect of operating variables on the performance. The operating conditions investigated include, gas turbine pressure ratio, process heat loads and process steam extraction pressure. The gas turbine pressure ratio significantly influences the performance of the combined cycle cogeneration system. The process heat load influences combined cycle efficiency and combined cycle cogeneration efficiency in opposite ways. The exergy analysis is conducted to identify the exergy destruction and losses in different components of the combined cycle cogeneration unit.
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Petrakopoulou, F., G. Tsatsaronis, T. Morosuk, and A. Carassai. "Advanced Exergoeconomic Analysis Applied to a Complex Energy Conversion System." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38555.

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Exergy-based analyses are important tools for studying and evaluating energy conversion systems. While conventional exergy-based analyses provide us with important information, further insight on the potential for improving plant components and the overall plant as well as on the interactions among components of energy conversion systems are significant when optimizing a system. This necessity led to the development of advanced exergy-based analyses, in which the exergy destruction, as well as the associated costs and environmental impact are split into avoidable/unavoidable and endogenous/exogenous parts. Based on the avoidable parts of the exergy destruction, costs and environmental impact, the potential for improvement and related strategies are revealed. This paper presents the application of an advanced exergoeconomic analysis to a combined cycle power plant. The largest parts of the unavoidable cost rates are calculated for the components constituting the gas turbine system and the low-pressure steam turbine. The combustion chamber has the second highest avoidable investment cost, while it has the highest avoidable cost of exergy destruction. In general, most of the investment costs are unavoidable, with the exception of some heat exchangers of the plant. Similarly, most of the cost of exergy destruction is unavoidable with the exception of the expander in the gas turbine system and the high-pressure and intermediate-pressure steam turbines. In general, the advanced exergoeconomic analysis reveals high endogenous values, which suggest improvement of the total plant by improving the design of the components primarily in isolation, and lower exogenous values, which suggest that the component interactions are of lower significance for this plant.
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Liu, Y. H., W. Chen, D. F. Che, Z. D. Cao, Liejin Guo, D. D. Joseph, Y. Matsumoto, Y. Sommerfeld, and Yueshe Wang. "Comparisons of four quench methods for high temperature Syngas-Exergy Analyses." In THE 6TH INTERNATIONAL SYMPOSIUM ON MULTIPHASE FLOW, HEAT MASS TRANSFER AND ENERGY CONVERSION. AIP, 2010. http://dx.doi.org/10.1063/1.3366447.

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Mahbub, Fazle, M. N. A. Hawlader, and A. S. Mujumdar. "Exergoeconomic Analyses of a Combined Water and Power Plant (CWPP)." In ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/es2009-90191.

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In this study, exergy and thermoeconomic analyses of MSF/MED and Reverse Osmosis (RO) processes are presented. Exergy analyses of every streams, both incoming and outgoing, for each plant configurations have been performed to quantify the exergy losses. The evaluation of cost depends upon the chosen methodology of accruing fuel cost. The exergy equations coupled with appropriate cost provide a valuable insight into areas of potential improvement of the Combined Water and Power Plant (CWPP). Various combinations (Combined cycle power plant (CCPP) with stand alone MSF, MED and RO; CCPP with MSF-RO hybrid or MED-RO hybrid) have been considered. This study reveals that major exergy losses occur in the evaporators (about 34%) especially in the first and last few stages, in case of MSF, and, hence, improvements in the evaporator design will have significant impact on the whole plant performance. Similar trend is also observed for MED. It exhibits low exergetic efficiency for the first stage as well the last few stages. All these results suggest that more focus on these design aspects have potential for further improvement. Moreover, among the three top brine temperatures 65 °C, 70 °C and 75°C, 65 °C show better exergetic efficiency. Comparison between MSF, MED shows that unit product cost decreases by about 30% in favor of MED.
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Qin, Qin, Xiuli Zhang, Shenkuai Lv, Qingbo Yu, and Dongyu Lang. "Exergy Analysis of Ironmaking System." In 2012 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2012. http://dx.doi.org/10.1109/appeec.2012.6307497.

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Marletta, Luigi, Gianpiero Evola, Lamberto Tronchin, and Kristian Fabbri. "Exergy Analysis of Energy Systems in Buildings." In 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2018. http://dx.doi.org/10.1109/eeeic.2018.8494403.

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Reports on the topic "Energy and exergy analyses"

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Gorla, Rama S. Exergy Analysis for Energy Systems. Fort Belvoir, VA: Defense Technical Information Center, September 2006. http://dx.doi.org/10.21236/ada473052.

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Matlock, M., K. Kersey, and C. Riding In. Pawnee Nation Energy Option Analyses. Office of Scientific and Technical Information (OSTI), July 2009. http://dx.doi.org/10.2172/960235.

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Matlock, M., K. Kersey, and C. Riding In. Pawnee Nation Energy Option Analyses. Office of Scientific and Technical Information (OSTI), July 2009. http://dx.doi.org/10.2172/960236.

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Wan, Y., and J. R. Liao. Analyses of Wind Energy Impact on WFEC System Operations. Office of Scientific and Technical Information (OSTI), August 2005. http://dx.doi.org/10.2172/15016931.

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Gelman, Racel, Marissa Hummon, Joyce McLaren, and Elizabeth Doris. NREL's Clean Energy Policy Analyses Project. 2009 U.S. State Clean Energy Data Book. Office of Scientific and Technical Information (OSTI), October 2009. http://dx.doi.org/10.2172/1219256.

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Vance, Samuel, Jorge Flores-Davila, and Kaushik Biswas. ROOFER™ energy performance assessment and course of action analyses. Engineer Research and Development Center (U.S.), November 2018. http://dx.doi.org/10.21079/11681/29976.

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Segal, Corin. Solid-Gas Interface Analyses for High Energy Density Fuels Combustion. Fort Belvoir, VA: Defense Technical Information Center, September 1999. http://dx.doi.org/10.21236/ada368598.

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Gelman, R., M. Hummon, J. McLaren, and E. Doris. NREL's Clean Energy Policy Analyses Project: 2009 U.S. State Clean Energy Data Book, October 2010. Office of Scientific and Technical Information (OSTI), October 2010. http://dx.doi.org/10.2172/993335.

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Dirr, N., D. Hepinstall, M. Douglas, S. Buck, and C. Larney. Guidelines for Home Energy Professionals Project: Multifamily Job Task Analyses Needs Assessment. Office of Scientific and Technical Information (OSTI), January 2013. http://dx.doi.org/10.2172/1067917.

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Busche, S. Clean Energy Policy Analyses. Analysis of the Status and Impact of Clean Energy Policies at the Local Level. Office of Scientific and Technical Information (OSTI), December 2010. http://dx.doi.org/10.2172/1219197.

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