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Listar por palabra clave "Waste heat recovery"

Mostrando ítems 1-20 de 22

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A propane water-to-water heat pump booster for sanitary hot water production: Seasonal performance analysis of a new solution optimizing COP

Tammaro, Marcello; Montagud Montalvá, Carla Isabel; Corberán Salvador, José Miguel; Mauro, Alfonso William; Mastrullo, R. (Elsevier, 2015-03)

[EN] Electrical heat pumps for sanitary hot water production achieve a high performance with a good matching of water and refrigerant temperature profiles during the heat rejection stage, as it happens in CO2 systems. ...
Advanced exergy analysis of a jet ejector refrigeration cycle used to cool down the intake air in an internal combustion engine

Galindo, José; Dolz, Vicente; Pla Moreno, Benjamín; Ponce-Mora, Alberto (Inderscience Enterprises Ltd., 2020)

[EN] This paper describes a jet ejection cycle coupled to a 1.5 L diesel engine to reduce the intake air temperature using the waste heat of the exhaust gases. This cycle is evaluated by means of conventional and advanced ...
Análisis de sensibilidad de errores de fabricación en las prestaciones de un eyector

Rubio Díaz, Víctor (Universitat Politècnica de València, 2019-10-17)

[ES] En este Trabajo de Fin de Máster se establecerá un proceso de simulación de eyectores mediante el uso de la dinámica de fluidos computacional (CFD). Se abordará todo el proceso, desde la definición de la geometría y ...
Automotive engine exhaust gas energy recovery with an organic rankine cycle

Royo Pascual, Lucía (Universitat Politècnica de València, 2016-01-13)

[EN] Waste Heat Recovery (WHR) in exhaust gas flow of automotive engines has proved to be a path to increase the overall efficiency of automotive vehicles. Recovery potential of up to 7% are showed in several works in ...
Brayton cycle for internal combustion engine exhaust gas waste heat recovery

Galindo, José; Serrano Cruz, José Ramón; Dolz Ruiz, Vicente; Kleut, Petar (Hindawi Publishing Corporation, 2015-06)

An average passenger car engine effectively uses about one-third of the fuel combustion energy, while the two-thirds are wasted through exhaust gases and engine cooling. It is of great interest to automotive industry to ...
Caracterización numérica de un eyector de geometría variable equipado en ciclos de refrigeración accionados por fuentes térmicas de baja temperatura

Flox Chillarón, Gonzalo (Universitat Politècnica de València, 2020-10-06)

[ES] El presente proyecto tiene como objetivo caracterizar la envolvente de operación de un eyector de geometría variable mediante técnicas de mecánica de fluidos computacional. El eyector opera con el fluido refrigerante ...
Contribución a la implementación de ciclos Orgánicos de Rankine para el aprovechamiento de fuentes térmicas de baja temperatura

Sánchez Serrano, Jaime (Universitat Politècnica de València, 2011-09-06)

Se han analizado las fuentes residuales térmicas de un motor Diesel para la implementación de un ciclo orgánico de rankine y producir potencia electrica a través de una turbina. Posteriormente, se ha realizado un análisis ...
Dynamic tests and adaptive control of a bottoming organic Rankine cycle of IC engine using swash-plate expander

Torregrosa, A. J.; Galindo, José; Dolz Ruiz, Vicente; Royo-Pascual, Lucía; Haller, R.; Melis, J. (Elsevier, 2016-10-15)

This paper deals with the experimental testing of a bottoming Organic Rankine Cycle (ORC) integrate in a 2 l turbocharged gasoline engine using ethanol as working fluid. The main components of the cycle are a boiler, a ...
Estudio de viabilidad de ciclos de eyección para recuperar calor de fuentes de energía de baja temperatura

Ponce Mora, Alberto (Universitat Politècnica de València, 2019-10-29)

[ES] En este proyecto se realizará el estudio de viabilidad de un ciclo de refrigeración por eyección destinado al enfriamiento de la admisión de un motor Diesel de 1.5l. El objetivo es desarrollar modelos computacionales ...
Experimental study of an ORC (organic Rankine cycle) for low grade waste heat recovery in a ceramic industry

Peris, Bernardo; Navarro-Esbri, J.; Moles, F.; Mota Babiloni, Adrián (Elsevier, 2015-06-01)

This paper deals about an experimental application of an ORC (organic Rankine cycle) in a ceramic industry for low grade waste heat recovery. The ORC module used in this application was initially designed and constructed ...
Further analysis of a compression-expansion machine for a Brayton Waste Heat Recovery cycle on an IC engine

Galindo, José; Guardiola, Carlos; Dolz, Vicente; Kleut, Petar (Elsevier, 2018)

[EN] In order to comply with the legislation, car manufacturers are looking for a way to lower the CO2 emission by improving engine efficiency. About one third of the fuel combustion energy is wasted through exhaust gasses. ...
HD Diesel engine equipped with a bottoming Rankine cycle as a waste heat recovery system. Part 1: Study and analysis of the waste heat energy

Dolz Ruiz, Vicente; Novella Rosa, Ricardo; García Martínez, Antonio; Sánchez Serrano, Jaime (Elsevier, 2012-04)

This paper describes the study of different bottoming Rankine cycles with water-steam and/or ORC configurations in classical and innovative setups such as a waste heat recovery system in a Heavy Duty Diesel (HDD) Engine. ...
HD Diesel engine equipped with a bottoming Rankine cycle as a waste heat recovery system. Part 2: Evaluation of alternative solutions

Serrano Cruz, José Ramón; Dolz Ruiz, Vicente; Novella Rosa, Ricardo; García Martínez, Antonio (Elsevier, 2012-04)

A theoretical investigation has been performed on the feasibility of introducing a waste heat recovery (WHR) system in a two-stage turbocharged HDD engine. The WHR is attained by introducing a Rankine cycle, which uses an ...
Low-Pressure Steam Generation with Concentrating Solar Energy and Different Heat Upgrade Technologies: Potential in the European Industry

Payá-Herrero, Jorge; Cazorla-Marín, Antonio; Arpagaus, Cordin; Corrales Ciganda, José Luis; Hassan, Abdelrahman (MDPI AG, 2024-03)

[EN] The industry is currently responsible for around 21% of the total CO2 emissions, mainly due to heat production with fossil fuel burners. There are already different technologies on the market that can potentially ...
Multi-objective optimization of a bottoming Organic Rankine Cycle (ORC) of gasoline engine using swash-plate expander

Galindo, José; Climent, H.; Dolz Ruiz, Vicente; Royo-Pascual, Lucía (Elsevier, 2016-10-15)

This paper presents a mathematical model of a bottoming Organic Rankine Cycle coupled to a 2 l turbocharged gasoline engine to optimize the cycle from a thermo-economic and sizing point of view. These criteria were ...
Numerical Optimization of an Ejector for Waste Heat Recovery Used to Cool Down the Intake Air in an Internal Combustion Engine

Galindo, José; Gil, A.; Dolz, Vicente; Ponce-Mora, Alberto (American Society of Mechanical Engineers, 2020-10-01)

[EN] In the present paper, a numerical investigation of a jet-ejector is carried out using a real gas model of R1234yf. The prototype under investigation works with specific operating conditions of a jet-ejector refrigeration ...
Optimization of thermal design and geometrical parameters of a flat tube-fin adsorbent bed for automobile air-conditioning

Verde Trindade, María; Harby Mohamed Abd Alaal, Khaled; Corberán, José M. (Elsevier, 2017)

Adsorbent bed design and performance strongly affect the overall performance of adsorption systems. In the present study, an analytical model was developed to determine the optimum geometrical and thermal parameters of a ...
Overview of Clean Automotive Thermal Propulsion Options for India to 2030

Gohil, Dhrumil B.; Pesyridis, Apostolos; Serrano, J.R. (MDPI AG, 2020-05-22)

[EN] This paper presents the evaluation of near-future advanced internal combustion engine technologies to reach near zero-emission in vehicles with in the Indian market. Extensive research was carried out to propose the ...
Performance evaluation of a waste-heat driven adsorption system for automotive air-conditioning: Part I - Modeling and experimental validation

Verde Trindade, María; Harby Mohamed Abd Alaal, Khaled; De Boer, Robert; Corberán, José M. (Elsevier, 2016)

[EN] Adsorption systems driven by engine waste heat are one of the possible alternatives to the conventional automobile air conditioning in terms of energy savings and environmental issues. Assessment of this issue are ...
Performance evaluation of a waste-heat driven adsorption system for automotive air-conditioning: Part II - Performance optimization under different real driving conditions

Verde Trindade, María; Harby Mohamed Abd Alaal, Khaled; De Boer, Robert; Corberán, José M. (Elsevier, 2016)

[EN] In this part, Part 11, of a two-part study, the validated model of part I is integrated into a general vehicle model in order to predict the performance of the system under real driving conditions. The overall model ...