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Dissertations / Theses on the topic 'Waste heat recovery system for I'

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Published: 3 June 2025
Last updated: 1 August 2025

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1

Chowdhury, Jahedul Islam. "Modelling and control of waste heat recovery system." Thesis, Queen's University Belfast, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725593.

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This research focuses on the waste heat recovery (WHR) from low and medium grade heat sources, and its conversion into mechanical rotations and electrical energy using organic Rankine cycle (ORC), in automotive and industrial applications. The research outcomes include: (1) development of subcomponent models including a novel fuzzy based evaporator model of the supercritical ORC-WHR system using thermodynamic and numerical methods in MATLAB/Simulink, (2) overall ORC-WHR integration and complete system simulation to improve thermal and heat recovery efficiency in steady state and dynamic condit
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2

Borgström, Fredrik, and Jonas Coyet. "Waste heat recovery system with new thermoelectric materials." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-125716.

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Increasing fuel prices, higher demands on "greener" transports and tougher international emission regulations puts requirements on companies in the automotive industry in improving their vehicle fuel efficiency. On a typical heavy duty Scania truck around 30% of the total fuel energy is wasted through the exhaust system in terms of heat dissipated to the environment. Hence, several investigations and experiments are conducted trying to find ways to utilize this wasted heat in what is called a waste heat recovery (WHR) system. At Scania several techniques within the field of WHR are explored to
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Boissevain, Brett. "Waste Heat Utilization in an Anaerobic Digestion System." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1266.

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Anaerobic digestion has great potential as an energy source. Not only does it provide an effective method for waste mitigation, but it has the potential to generate significant quantities of fuel and electricity. In order to ensure efficient digestion and biomass utilization, however, the system must be continuously maintained at elevated temperatures. It is technically feasible to supplement such a system with outside energy, but it is more cost effective to heat the system using only the produced biogas. While there is considerable literature covering the theory of anaerobic digestion, there
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Olanders, Linn. "Modeling of waste heat recovery system and outdoor swimming pool : Waste heat from hotel kitchen recovered by heat exchanger transferred to pool." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-171880.

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This project was performed to evaluate if waste heat from hotel kitchens is enough to heat outdoor swimming pools in southern Europe or if it can be used as a compliment to another heat source. Another aim was to analyze the simulations and calculations of the pools and the heat recovery system. Then estimate how much annual costs would be reduced when using the exhaust air in the heat recovery system, in comparison with the original heating system. If the project showed positive results the purpose was to select a waste heat recovery system that can integrate with Ozonetech’s ozone generator,
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Gonzalez, Salazar Miguel Angel. "System analysis of waste heat applications with LNG regasification." Thesis, KTH, Kraft- och värmeteknologi, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176444.

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The combination of the continuously growing demand of energy in the world, the depletion of oil and its sharp price increase, as well as the urgent need for cleaner and more efficient fuels have boosted the global trade of liquefied natural gas (LNG). Nowadays, there is an increasing interest on the design philosophy of the LNG receiving terminals, due to the fact that the existing technologies either use seawater as heating source or burn part of the fuel for regasifying LNG, thus destroying the cryogenic energy of LNG and causing air pollution or harm to marine life. This investigation addre
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Chabo, Alexander, and Peter Tysk. "Maximum Net-power Point Tracking of a waste heat recovery system." Thesis, KTH, Maskinkonstruktion (Inst.), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-202206.

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Av den frigjorda energin för en lastbils bränsle är omkring 30% i form avspillvärme i avgassystemet. Med implementation av ett spillvärmeåtervinningsystem går det att återvinna en del av den frigjorda energin i form av elektricitet till lastbilens elsystem. Två termoelektriska generatorer använder avgaserna som värmekälla och ett kylmedel som kall källa för att åstakomma en temperaturdifferans i generatorerna. Med hjälp av Seebeck-effekten går det att omvandla temperaturdifferansen till elektricitet och på så sätt avlastas motorns generator vilket medför en lägre bränsleförbrukning. Detta exam
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7

Oluleye, Oluwagbemisola Olarinde. "Integration of waste heat recovery in process sites." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/integration-of-waste-heat-recovery-in-process-sites(ebbc2669-2c9b-40be-9eae-8d2252f0286f).html.

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Exploitation of waste heat could achieve economic and environmental benefits, while at the same time increase energy efficiency in process sites. Diverse commercialised technologies exist to recover useful energy from waste heat. In addition, there are multiple on-site and offsite end-uses of recovered energy. The challenge is to find the optimal mix of technologies and end-uses of recovered energy taking into account the quantity and quality of waste heat sources, interactions with interconnected systems and constraints on capital investment. Explicit models for waste heat recovery technologi
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8

Johansson, Erik. "Parametric study of a wastewater heat recovery system for buildings." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160471.

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Global efforts makes buildings successively more energy efficient. This results in that the percentage of the total energy in the building that is lost to the sewage system, in the form of hot water, is increasing. The characteristics of the wastewater originating from the urban water cycle makes it an attractive heat source which is relatively unexploited. Wastewater heat recovery (WWHR) systems is a group of systems designed to reduce a buildings use of external energy sources by recovering the heat out of the wastewater before it is let out into the sewage.         The focus of this report
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9

Namakian, Mohsen. "Mild Hybrid System in Combination with Waste Heat Recovery for Commercial Vehicles." Thesis, Linköpings universitet, Maskinkonstruktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-93997.

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Performance of two different waste heat recovery systems (one based on Rankine cycle and the other one using thermoelectricity) combined with non-hybrid, mild-hybrid and full hybrid systems are investigated. The vehicle under investigation was a 440hp Scania truck, loaded by 40 tons. Input data included logged data from a long haulage drive test in Sweden.All systems (waste heat recovery as well as hybrid) are implemented and simulated in Matlab/Simulink. Almost all systems are modeled using measured data or performance curves provided by one manufacturer. For Rankine system results from anoth
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10

Koppauer, Herwig [Verfasser]. "Nonlinear model predictive control of an automotive waste heat recovery system / Herwig Koppauer." Düren : Shaker, 2019. http://d-nb.info/1196486247/34.

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11

Mantovanelli, Alessandro. "Microchannel heat exchangers: An attractive option for the regenerator of a mobile orc waste heat recovery system." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8639/.

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The performance of microchannel heat exchangers was assessed in gas-to-liquid applications in the order of several tens of kWth . The technology is suitable for exhaust heat recovery systems based on organic Rankine cycle. In order to design a light and compact microchannel heat exchanger, an optimization process is developed. The model employed in the procedure is validated through computational fluid-dynamics analysis with commercial software. It is shown that conjugate effects have a significant impact on the heat transfer performance of the device.
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ACHKOUDIR, HOUSSAM, and Naowar Hanna. "Studie av verkningsgrad potentialen för ett vatten baserat Waste Heat Recovery system med kolvexpander." Thesis, KTH, Maskinkonstruktion (Inst.), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-39812.

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SammanfattningEn ånganna monterades i EGR (Exhaust Gas Recirculation) slingan på en 12,7 liters Scania Euro V motor (DC1306). En modell som beskriver Rankine cykel togs fram med vatten som köldmedium i simuleringsverktyget GT-Power. Ångpannan i GT-power modellen kalibrerades m.h.a experimentell data.Simuleringarna visade att det optimala ångtrycket, det trycket där högst effekt kan erhållas från expandern, är beroende av EGR temperaturen. Det innebär att ju högre EGR inloppstemperatur desto högre optimalt ångtryck. EGR temperaturen i punkt 2 i ESC cykeln är 514˚ C för denna motor, vilket resul
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13

Law, Richard. "A knowledge-based system for low-grade waste heat recovery in the process industries." Thesis, University of Newcastle upon Tyne, 2014. http://hdl.handle.net/10443/2541.

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The ever-increasing price of energy, combined with increasingly stringent legislation to reduce greenhouse gas emissions, is driving the UK process industries toward increasing energy efficiency. Significant gains can be made in this sector, as up to 11.4TWh per annum (4% of total energy use) of the UK process industries’ energy consumption is lost as recoverable waste heat. Substantial recovery of this waste heat would have economic benefits of the order of £100s of million/year, and environmental benefits of the order of 100s of thousands of tonnes of carbon dioxide equivalent per year. This
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14

Riddle, Derek S. "Model Order Reduction and Control of an Organic Rankine Cycle Waste Heat Recovery System." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu150055199341535.

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15

Owen, Ross P. "Modeling, Analysis, and Open-Loop Control of an Exhaust Heat Recovery System for Automotive Internal Combustion Engines." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1316012649.

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16

Gustafsson, Filip. "Waste heat recovery systems : Fuel energy utilisation for a marine defence platform." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-19681.

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This report is a thesis for BTH in collaboration with the company Saab Kockums AB. In order to meet future environmental and economical demands, a vessel must reduce its fuel consumption to have a smaller climate impact and save money. Waste heat recovery systems (WHRS) captures the thermal energy generated from a process that is not used but dumped into the environment and transfers it back to the system. Thermal energy storage (TES) is the method of storing thermal energy which allows heat to be used whenever necessary. Some applications of TES are seasonal storage, where summer heat is stor
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17

Boonsrang, Direcksataporn. "A study on the dynamic characteristics and control of heat exchangers in waste heat recovery systems /." Electronic version of summary, 1992. http://www.wul.waseda.ac.jp/gakui/gaiyo/1797.pdf.

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18

Lotun, Devprakash. "Design and evaluation through simulation and experimental apparatus of a small scale waste heat recovery system." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52179.

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Thesis (MScEng)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: Realisation of the depletable nature of fossil fuel has increased the need for its optimal use. Increasing global pressure to reduce the emission of greenhouse gases and other harmful gases that affect the chemical cycles or destroy the greenhouse gases in the tropospheric ozone, has attracted a increased worldwide concern. Waste heat recovery devices have been around for more than 50 years and researches and scientists have been very much involved in identifying the correct type of systems to meet the requireme?ts of i
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19

Espinosa, Nicolas. "Contribution to the study of waste heat recovery systems on commercial truck diesel engines." Thesis, Vandoeuvre-les-Nancy, INPL, 2011. http://www.theses.fr/2011INPL064N.

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L'augmentation du prix du pétrole ainsi qu'une possible future réglementation des émissions de CO2 encourage les fabricants de véhicules industriels à trouver de nouvelles solutions pour améliorer encore la performance de la chaine cinématique. Dans ce cadre, deux solutions de récupérations d'énergie prometteuses sont très souvent rapportées dans la littérature: le système de récupération d'énergie par cycle de Rankine et le générateur thermoélectrique. Après un rappel des conditions limites du fonctionnement d'un camion long routier, cette thèse démontre tout d’abord la modélisation 0-D et 1-
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Weerasiri, Udayani Priyadarshana. "A waste heat recovery steam power generation system for ACE Power Embilipitiya (Pvt) Ltd, Sri Lanka." Thesis, KTH, Kraft- och värmeteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-157832.

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In this study, the heat recovery from exhaust gas at the ACE Power Embilipitiya (Pvt) Ltd (APE) in Sri Lanka was conceptually proposed and evaluated. APE has an installed capacity of 100 MW comprising 14 units of 7.5MW medium speed diesel engines fired with heavy fuel oil. There is only a minimum recovery of waste heat in the plant at the moment, only for fuel preheating, whereas waste heat recovery (WHR) boilers of 750kWth are equipped on eight engines. The larger portion of the waste heat is dumped into the environment without being used in any reasonable way. The objective of this work was
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21

Albatati, Faisal Ali S. "Investigation of environmentally friendly power generation systems for low-grade waste heat recovery." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/28990/.

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From the point of view of energy importance and the environmental impacts associated with conventional energy production methods, and for the purpose of low-grade waste heat recovery, this thesis demonstrates an investigative approach to develop and test a novel, environmentally friendly small-scale Rankine based power generation prototype system. To fulfil the aim, a range of systems of different technologies, and employing different working fluids were investigated to identify the most efficient, cost-effective system for the application. These systems are the absorption power generation sys
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22

Orlandini, Valentina <1988&gt. "Waste Heat Recovery Systems: Numerical and Experimental Analysis of organic Rankine Cycle Solutions." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amsdottorato.unibo.it/8023/1/orlandini_valentina_tesi.pdf.

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This thesis aims to present the ORC technology, its advantages and related problems. In particular, it provides an analysis of ORC waste heat recovery system in different and innovative scenarios, focusing on cases from the biggest to the lowest scale. Both industrial and residential ORC applications are considered. In both applications, the installation of a subcritical and recuperated ORC system is examined. Moreover, heat recovery is considered in absence of an intermediate heat transfer circuit. This solution allow to improve the recovery efficiency, but requiring safety precautions. Possi
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Jain, Akshay. "Feasibility of using Waste Heat as a power source to operate Microbial Electrolysis Cells towards Resource Recovery." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/97977.

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Wastewater treatment has developed as a mature technology over time. However, conventional wastewater treatment is a very energy-intensive process. Bioelectrochemical system (BES) is an emerging technology that can treat wastewater and also recover resources such as energy in the form of electricity/hydrogen gas and nutrients such as nitrogen and phosphorus compounds. Microbial electrolysis cell (MEC) is a type of BES that, in the presence of an additional voltage, can treat wastewater and generate hydrogen gas. This is a promising approach for wastewater treatment and value-added product gene
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Pandit, Jaideep. "Numerical and Experimental Design of High Performance Heat Exchanger System for A Thermoelectric Power Generator for Implementation in Automobile Exhaust Gas Waste Heat Recovery." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/47919.

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The effects of greenhouse gases have seen a significant rise in recent years due to the use of fossil fuels like gasoline and diesel. Conversion of the energy stored in these fossil fuels to mechanical work is an extremely inefficient process which results in a high amount of energy rejected in the form of waste heat. Thermoelectric materials are able to harness this waste heat energy and convert it to electrical power. Thermoelectric devices work on the principle of the Seebeck effect, which states that if two junctions of dissimilar materials are at different temperatures, an electrical pot
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Grelet, Vincent. "Rankine cycle based waste heat recovery system applied to heavy duty vehicles : topological optimization and model based control." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1006/document.

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L’évolution croissante du prix des carburants ainsi que les normes antipollution de plus en plus drastiques obligent les fabricants de véhicules commerciaux à développer des solutions innovantes pour réduire la consommation de carburant. Dans cet objectif, comme une grande partie de l’énergie contenue dans le carburant est directement relâchée à l’ambient sous forme de chaleur, celle-ci peut être valorisée et transformée via un cycle thermodynamique secondaire. Dans ce cadre, l’importante utilisation du cycle de Rankine à travers le monde en font un candidat naturel pour une implémentation dan
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Katamba, Kanwayi Gaettan. "Investigation into waste heat to work in thermal systems in order to gain more efficiency and less environmental defect." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/61300.

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In most previous studies that have been conducted on converting waste heat energy from exhaust gases into useful energy, the engine waste heat recovery system has been placed along the exhaust flow pipe where the temperature differs from the temperature just behind the exhaust valves. This means that an important fraction of the energy from the exhaust gases is still lost to the environment. The present work investigates the potential thermodynamic analysis of an integrated exhaust waste heat recovery (EWHR) system based on a Rankine cycle on an engine's exhaust manifold. The amount of lost en
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LAVIOLA, MICHELE. "LNG as the future marine fuel, Waste Heat Recovery Systems & Cold Ironing solutions for eco-friendly maritime transport." Doctoral thesis, Università degli studi di Genova, 2018. http://hdl.handle.net/11567/930196.

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Nowadays a regulatory framework regarding the pollutant emissions abatement, both at international and local level, significantly interests the maritime sector. To comply with the latest environmental rules, a new approach to ship design and a renewed way to operate the ship are need both in navigation and in harbour. This PhD Thesis aims to investigate on the positive features offered by the LNG fuel, more eco-friendly than the traditional marine fuel oils. In the first part of the research, the performance comparison between two marine engines, fuelled by natural gas and diesel oil res
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Vrbický, Jiří. "Větrací a chladicí systém bytu v panelovém domě." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229869.

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The diploma thesis is consisting of theoretic part, which deal with used ventilating systems, ways of waste heat recovery and describe basic types of air-conditioning systems. Following part attend to design of ventilating system and multi-split air-conditioning system for flat. Part of design of ventilation system is calculation of noise levels in rooms. Air-conditioner design is based on calculation of thermal stress. Annual demand of cold and heat demand are calculated using TRANSYS software. Design documentation is part of the diploma thesis.
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Cricchio, Andrea. "Modeling and control of advanced powertrain systems and Waste Heat Recovery technologies for the reduction of CO2 emissions in light-duty vehicles." Doctoral thesis, Universita degli studi di Salerno, 2016. http://hdl.handle.net/10556/2222.

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2014 - 2015<br>Transportation is the major sector in the EU where greenhouse gas emissions are still rising. Therefore, in the recent years, the OEMs research and development has focused on the reduction of carbon dioxide (CO2) and pollutants emissions. On the other hand, the European Commission proposed targets for the further reduction of CO2 emissions from new cars by 2020. In this scenario, concepts such as the engines downsizing and other advanced technologies as well as more costly hybrid solutions and, more recently, waste heat recovery (WHR) systems have been proposed... [edited by aut
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Li, Liang. "Experimental and theoretical investigation of CO2 trans-critical power cycles and R245fa organic Rankine cycles for low-grade heat to power energy conversion." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/14766.

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Globally, there are vast amounts of low-grade heat sources from industrial waste and renewables that can be converted into electricity through advanced thermodynamic power cycles and appropriate working fluids. In this thesis, experimental research was conducted to investigate the performance of a small-scale Organic Rankine Cycle (ORC) system under different operating conditions. The experimental setup consisted of typical ORC system components, such as a turboexpander with a high speed generator, a scroll expander, a finned-tube condenser, an ORC pump, a plate evaporator and a shell and tube
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Suárez, De La Fuente S. "Reducing shipping carbon emissions under real operative conditions : a study of alternative marine waste heat recovery systems based on the organic rankine cycle." Thesis, University College London (University of London), 2016. http://discovery.ucl.ac.uk/1502214/.

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The biggest source of energy loss in shipping is found in the propulsion system. This study focuses on analysing, and working with, the concept of heat management for waste heat energy from the exhaust gas and scavenge air. Using waste heat recovery systems (WHRS) to make shipping more efficient represent a good area of opportunity. On board ships, a water-based Rankine cycle (RC) is typically installed; this has the task of providing steam and power. This work explores alternative waste heat technologies to assess the development and suitability, but also to find better solutions to the tradi
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Raymond, Alexander William. "Investigation of microparticle to system level phenomena in thermally activated adsorption heat pumps." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34682.

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Heat actuated adsorption heat pumps offer the opportunity to improve overall energy efficiency in waste heat applications by eliminating shaft work requirements accompanying vapor compression cycles. The coefficient of performance (COP) in adsorption heat pumps is generally low. The objective of this thesis is to model the adsorption system to gain critical insight into how its performance can be improved. Because adsorption heat pumps are intermittent devices, which induce cooling by adsorbing refrigerant in a sorption bed heat/mass exchanger, transient models must be used to predict perfo
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Rattner, Alexander S. "Single-pressure absorption refrigeration systems for low-source-temperature applications." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53912.

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The diffusion absorption refrigeration (DAR) cycle is a promising technology for fully thermally driven cooling. It is well suited to applications in medicine refrigeration and air-conditioning in off-grid settings. However, design and engineering knowhow for the technology is limited; therefore, system development has historically been an iterative and expensive process. Additionally, conventional system designs require high-grade energy input for operation, and are unsuitable for low-temperature solar- or waste-heat activated applications. In the present effort, component- and system-level
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Winsjansen, Frida. "Utredning av energibesparingspotential och lönsamhet hos kompressorsystem med värmeåtervinning : För integrering i industriellt uppvärmningssystem." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27776.

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För att tillgodose framtidens växande behov av energi och samtidigt bidra till en långsiktigt hållbar energitillförsel krävs resurs- och energieffektivisering inom flera sektorer. Inte minst inom industrin som år 2016 stod för mer än 50 procent av det globala energibehovet. Tillvaratagandet av befintliga resurser såsom spillvärme från tryckluftsproduktion är en möjlig effektiviseringsåtgärd. Till grund för examensarbetet ligger ett önskemål från koncernen Sandvik AB att utreda besparingspotential och kostnader för reinvestering i en av industrins kompressorcentraler, Götvalsverket. Reinvesteri
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Lindqvist, Jakob, and Niklas Faber. "Performance evaluation in post integrated organic Rankine cycle systems : A study on operational systems utilizing low grade heat." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150371.

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Organic Rankine cycles can be integrated with district heating systems and in applications of biogas digestion. Evaluating the performance of the installations by Againity AB in Ronneby and Norrköping, Sweden, is a unique opportunity which can support the establishment of ORC technology in the waste heat recovery market, unveiling its feasibilities and limitations. Operational data gathered from October 2017 until April 2018, provides this thesis with information about the ORC-systems. A method using Coolprop and Matlab has been used to detect steady-state series in the Ronneby installation us
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Rojas, Tena Fernando, and Reber Kadir. "Waste Heat Recovery Modellering." Thesis, KTH, Förbränningsmotorteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-39923.

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SammanfattningI ett tidigare projekt, utfört under våren 2010, modellerades och simulerades en ånggenerator i GT-SUITE för att analysera och jämföra dess resultat med de faktiska motormätningarna. Projektet utfördes på Kungliga Tekniska Högskolan i Stockholm, på uppdrag av företaget som introducerat idén, Ranotor. Konceptet gick ut på att ersätta EGR-kylaren i en lastbilsmotor och med hjälp av Rankine cykeln försöka öka motorns verkningsgrad. Ånggeneratorn består av 48 mikro tuber, som alla innehåller vatten med högt tryck, vattnet värms upp av de varma avgaserna som letts in i ånggeneratorn.
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VIGNA, VERONICA. "Modelling energy efficiency of complex ship propulsion systems, considering sludge recycling, exhaust gas recovery and Flettner rotors." Doctoral thesis, Università degli studi di Genova, 2022. http://hdl.handle.net/11567/1093175.

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Energy efficiency has become increasingly important during the recent years due to the negative effects of the anthropogenic activities on the environment; in the maritime field IMO is leading a steep slope down policy on Greenhouse gas emission reduction by enacting stricter rules at a fast pace. In addition to the environmental and legal aspects, a key driver for increasing energy efficiency is operational cost savings due to fuel consumption reduction. In this framework, the thesis focuses on the improvement of the energy efficiency of the ship propulsion plant by analysing different kind
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Razavinia, Nasimalsadat. "Waste heat recovery with heat pipe technology." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=94983.

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High grade energy, which is primarily derived from hydrocarbon fuels, is in short supply; therefore alternative energy sources such as renewable and recycled energy sources are gaining significant attention. Pyro-metallurgical processes are large consumers of energy. They in return generate large quantities of waste heat which goes un-recovered. The overall theme of this research is to capture, concentrate and convert some of this waste heat to a valuable form. The main objective is to characterize and develop heat pipe technology (some of which originated at McGill) to capture and concentrate
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Kim, Sunphil. "P-type thermoelectric materials for waste heat recovery system: P-type Mg2Sn1-xSix and Pb1-x-yEuxSe:Nay." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1405345044.

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Murgham, Haithem Abualasaad. "Enhancing and Expanding Conventional Simulation Models of Refrigeration Systems for Improved Correlations." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1544524232130074.

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Hua, Lihong. "Heat exchanger development for waste water heat recovery." Thesis, University of Canterbury. Mechanical Engineering, 2005. http://hdl.handle.net/10092/6459.

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Hot water plays an import role in modem life. The consumption of hot water represents a significant part of the nation's energy consumption. One way of reducing the energy consumption involved, and hence the cost of that energy, is to reclaim heat from the waste warm water that is discharged to the sewer each day. The potential for economic waste water heat recovery depends on both the quantity available and whether the quality fits the requirement of the heating load. To recover heat from waste water in residential and commercial buildings is hard to achieve in quality because of its low tem
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Aguilar, Alex. "Harnessing thermoacoustics for waste heat recovery." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/130213.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, September, 2020<br>Cataloged from student-submitted PDF of thesis.<br>Includes bibliographical references (pages 25-26).<br>Environmental concerns and economic incentives have created a push for a reduction in emissions and an increase in efficiency. The U.S. Department of Energy estimates that 20 to 50% of the energy consumed in manufacturing processes is lost in some form to waste heat. The purpose of this study is to review the waste heat recovery technologies currently available in both commercial an
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Lemaire, Lacey-Lynne. "Miniaturized stirling engines for waste heat recovery." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=107690.

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Portable electronic devices have made a profound impact on our society and economy due to their widespread use for computation, communications, and entertainment. The performance and autonomy of these devices can be greatly improved if their operation can be powered using energy that is harvested from the ambient environment. As a step towards that goal, this thesis explored the feasibility of developing miniaturized Stirling engines for harvesting waste heat. A mesoscale (palmtop-size) gamma-type Stirling engine, with a total volume of about 165 cubic centimeters, was manufactured using conve
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Gibbons, Jonathan S. (Jonathan Scott) 1979, and Stephen V. 1982 Samouhos. "Mobile power plants : waste body heat recovery." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32814.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references.<br>Novel methods to convert waste metabolic heat into useful and useable amounts of electricity were studied. Thermoelectric, magneto hydrodynamic, and piezo-electric energy conversions at the desired scope were evaluated to understand their role and utility in the efficient conversion of waste body heat. The piezo-electric generator holds the most promise for the efficient conversion of waste body heat into electricity. In the future, this same device could be e
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Sapa, Ihor. "Waste heat recovery in the ceramic industry." Master's thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/11827.

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Mestrado em Sistemas Energéticos Sustentáveis<br>Este trabalho tem como objetivo principal constituir um contributo para a sistematização e análise das diferentes opções disponíveis para a recuperação de calor residual na indústria cerâmica, através do desenvolvimento e aplicação de uma metodologia para a incorporação eficiente de tecnologias de recuperação de calor residual. Com base na revisão da literatura, a metodologia proposta fornece bases para a identificação e caracterização das fontes de calor residual presentes na indústria cerâmica, bem como apresenta a revisão e análise de
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Harman, Thomas David V. "Waste heat recovery in data centers ejector heat pump analysis /." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26594.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Dr. Yogendra Joshi; Committee Member: Dr. S. Mostafa Ghiaasiaan; Committee Member: Dr. Sheldon Jeter. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Nourozi, Behrouz. "Sustainable building ventilation solutions with heat recovery from waste heat." Licentiate thesis, KTH, Hållbara byggnader, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-256567.

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The energy used by building sector accounts for approximately 40% of the total energy usage. In residential buildings, 30-60% of this energy is used for space heating which is mainly wasted by transmission heat losses. A share of 20-30% is lost by the discarded residential wastewater and the rest is devoted to ventilation heat loss.   The main objective of this work was to evaluate the thermal potential of residential wastewater for improving the performance of mechanical ventilation with heat recovery (MVHR) systems during the coldest periods of year. The recovered heat from wastewater was us
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Huang, Feng. "Contribution à l'évaluation et à la configuration optimale des systèmes à énergie distribuée basés sur la récupération de rejets de chaleur industrielle." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30297/document.

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A l'heure actuelle, l'industrie représente environ le tiers de la consommation énergétique et des émissions de CO2. Des opportunités substantielles existent pour faire face aux enjeux environnementaux et économiques, passant par l'efficacité énergétique en général et l'utilisation de l'énergie, en particulier dans les parcs industriels. Les Systèmes à Energie Distribuée (SED) correspondent en ce sens à une solution courante et prometteuse. Nous avons donc entrepris une démarche d'approche globale de site, incluant l'agrégation de l'ensemble des variables énergétiques, économiques, environnemen
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Farhat, Obeida. "Étude expérimentale de systèmes de récupération de chaleur avancés/hybrides appliqués aux appareils industriels." Electronic Thesis or Diss., Nantes Université, 2024. http://www.theses.fr/2024NANU4016.

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L'étude des solutions énergétiques durables et de la gestion efficace de la chaleur résiduelle est cruciale dans le monde d'aujourd'hui, car la consommation d'énergie continue de s'inquiéter de plus en plus des conséquences environnementales. Compte tenu de l'augmentation prévue de la consommation d'énergie dans le monde, il est urgent d'adopter de nouvelles méthodes de production d'électricité et de récupération de la chaleur résiduelle. Ce projet de doctorat visait à aborder ce problème en explorant l'utilisation de diverses technologies de récupération de chaleur, en combinaison avec différ
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Blanquart, Fanny. "Perspectives for Power Generation fromIndustrial Waste Heat Recovery." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-215985.

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