Buscar en RiuNet

Listar

Todo RiuNet

Mi cuenta

Acceder

Ayuda RiuNet

Admin. UPV

Listar por palabra clave "Heat pumps"

Mostrando ítems 1-20 de 22

Página siguiente

Analysis and optimization of different two-stage transcritical carbon dioxide cycles for heating applications

Pitarch Mocholí, Miguel; Navarro-Peris, Emilio; Gonzálvez Maciá, José; Corberán Salvador, José Miguel (Elsevier, 2016-10)

[EN] Increased interest in the environmental impact of refrigeration technology is leading toward design solutions aimed at improving the energy efficiency and use of eco-friendly refrigerants with low GWP. The aim of this ...
Analysis of map-based models for reciprocating compressors and optimum selection of rating points

Marchante-Avellaneda, Javier; Navarro-Peris, Emilio; Corberan, J.M.; Shrestha, Som S. (Elsevier, 2023-09)

[EN] The present work includes an in-depth performance analysis in fixed-speed reciprocating compressors. The industry standard for compressor characterization is the AHRI-540, which uses a 10-term and third-degree polynomial ...
Análisis económico, energético y medioambiental de la renovación de las enfriadoras de un sistema de climatización en un edificio de oficinas situado en Almussafes

Gómez Navarro, Pablo (Universitat Politècnica de València, 2023-01-09)

[ES] El proyecto se basa en la sustitución de un conjunto de dos bombas de calor, las cuales debido a su antigüedad y los consiguientes fallos y pérdidas de rendimiento debidos al paso de los años hay que sustituir por ...
Análisis y optimización de Bombas de calor para la integración de centros de datos en la calefacción urbana

Muguruza Fuentes, Iñaki (Universitat Politècnica de València, 2020-03-30)

[ES] Esta tesis investiga la integración de grandes bombas de calor para el enfriamiento de un centro de datos, aprovechando el calor excedido con la Red de Calefacción urbana, aumentando su temperatura de 45ºC a 85ºC. ...
Assessments of standards and procedures to measure efficiency and performance of photovoltaic and heat pumps

Montaño Condori, Michael Rodrigo (Universitat Politècnica de València, 2022-10-07)

[ES] Este proyecto de investigación de nivel 8, o trabajo final de grado, está supervisado por el profesor de ingeniería mecánica Dr. Charles Young y el profesor de ingeniería electrónica Dr. Nick Timmons de la universidad ...
Case study of electric and DHW energy communities in a Mediterranean district

Masip, X.; Fuster-Palop, Enrique; Prades-Gil, C.; Viana-Fons, Joan D.; Payá-Herrero, Jorge; Navarro-Peris, Emilio (Elsevier, 2023-05)

[EN] Energy communities can play a key role to move towxards a low-carbon and decentralized energy system with higher penetration of renewable energies, offering new opportunities for citizens to actively participate in ...
Characterization of a vapor injection scroll compressor as a function of low, intermediate and high pressures and temperature conditions

Navarro-Peris, Emilio; Redón Climent, Alicia; Gonzálvez Maciá, José; Martínez Galván, Israel Octavio; Corberán Salvador, José Miguel (Elsevier, 2013-11)

The interest in two stage cycles has increased in the last years and some compressor manufacturers have commercialized compressors adapted to work in these conditions. Nevertheless, the information supplied by them usually ...
Characterization of the performance for water-to-water and air-to-water heat pumps: Development of simple and compact polynomial correlations

Marchante-Avellaneda, Javier; Corberán, José M.; Navarro-Peris, Emilio; Llopis, Belén (Universidad de Castilla-La Mancha, 2019)

Nowadays, the development of models is one of the most common problems in many research studies. In the field of refrigeration and heating, researchers increasingly require compact models with a reduced computational time. ...
Comparison and selection of experimental designs for the characterization of scroll and reciprocating compressors: Adjustment of polynomial models with compact experimental samples

Marchante-Avellaneda, Javier; Navarro-Peris, Emilio; Shrestha, Som S. (Elsevier, 2024-03-15)

[EN] The use of refrigeration equipment and heat pumps is a widely used solution by manufacturers in the industry. Selecting components for this equipment and simulating their behavior require a thorough understanding and ...
Data-driven soft sensors targeting heat pump systems

Song, Yang; Rolando, Davide; Marchante-Avellaneda, Javier; Zucker, Gerhard; Madani, Hatef (Elsevier, 2023-03-01)

[EN] The development of smart sensors, low cost communication, and computation technologies enables continuous monitoring and accumulation of tremendous amounts of data for heat pump systems. But the measurements, especially ...
Design and Analysis of Charge-Reduced Refrigerant Cycles Using R290

Schnabel, Lena; Methler, Timo; Hassan, Abdelrahman; Dankwerth, Clemens; Gonzálvez-Maciá, José (John Wiley & Sons, 2023-03)

[EN] R290 is one of the most promising refrigerants for heat pumps and cooling processes working in a temperature range of -15 to 70°C. The nearly neglectable global warming potential and attractive thermodynamic properties ...
Development of a data-driven fault detection and diagnosis algorithm for a residential propane-based heat pump

Santoro Delgado, Francisco Argenis (Universitat Politècnica de València, 2023-10-13)

[ES] Este trabajo compara tres algoritmos de aprendizaje automático supervisado, entrenados para la detección y diagnóstico de fallos (FDD) de una bomba de calor aire-agua residencial que funciona en modo calefacción. Los ...
Dimensionado de bombas de calor acopladas a sistemas sistemas de energia fotovoltaica en bloques multifamiliares de viviendas

Pendaroska, Monika (Universitat Politècnica de València, 2024-10-01)

[ES] Este trabajo fin de máster pretende analizar los criterios de viabilidad y dimensionamiento para maximizar el aprovechamiento de la energía fotovoltaica en un sistema residencial mediante la incorporación de bombas ...
Economic and environmental analysis of domestic hot water systems for single-family homes

Sarabia Escrivà, Emilio José; Soto Francés, Víctor Manuel; Pinazo Ojer, José Manuel; Acha, Salvador (Elsevier, 2023-05-01)

[EN] The objective of this article is to compare the behaviour of the most representative domestic hot water systems (DHW) in single-family buildings. The study evaluates the energy consumption, equivalent CO2 emissions ...
Estudio de vivienda pasiva frente a construcción convencional

Ots Sebastián, Carla (Universitat Politècnica de València, 2024-01-12)

[ES] Se va a realizar el estudio previo para la posterior ejecución de un proyecto de casa pasiva cumpliendo con los cinco principios básicos del estándar passivhaus, dónde se desarrollará los siguientes principios: - 1. ...
Evaluation of different heat pump systems for sanitary hot water production using natural refrigerants

Pitarch, Miguel; Navarro-Peris, Emilio; Gonzálvez-Maciá, José; Corberán, José M. (Elsevier, 2017)

[EN] Heat pumps that work with a high degree of subcooling in subcritical systems have shown a significant margin of improvement when working with sanitary hot water applications. Recently, two different approaches ...
Experimental study of a subcritical heat pump booster for sanitary hot water production using a subcooler in order to enhance the efficiency of the system with a natural refrigerant (R290)

Pitarch, M.; Navarro-Peris, Emilio; Gonzálvez-Maciá, José; Corberán, José M. (Elsevier, 2017)

[EN] This paper presents the experimental results obtained from a new heat pump prototype for sanitary hot water production, in the application of heat recovery from water sources like sewage water or condensation loops ...
Novel Wireless Sensor System for Dynamic Characterization of Borehole Heat Exchangers

Martos Torres, Julio; Montero Reguera, Álvaro Enrique; Torres Pais, Jose; Soret Medel, Jesús; Martinez, Guillermo; García Olcina, Raimundo (MDPI, 2011-07)

The design and field test of a novel sensor system based in autonomous wireless sensors to measure the temperature of the heat transfer fluid along a borehole heat exchanger (BHE) is presented. The system, by means of two ...
Optimal sizing of a heat pump booster for sanitary hot water production to maximize benefit for the substitution of gas boilers

HERVAS-BLASCO, ESTEFANIA; Pitarch, M.; Navarro-Peris, Emilio; Corberán, José M. (Elsevier, 2017-05-15)

[EN] Heat recovery from water sources such as sewage water or condensation loops at low temperatures (usually between 10 and 30 °C) is becoming very valuable. Heat pumps are a potential technology able to overcome the high ...
Recovery of waste heat from data centres for decarbonisation of university campuses in a Mediterranean climate

Montagud- Montalvá, Carla; Navarro-Peris, Emilio; Gómez-Navarro, Tomás; Masip-Sanchis, X.; Prades-Gil, C. (Elsevier, 2023-08-15)

[EN] In this research work, the Stanford Energy System Innovations action plan is adapted to the decarbonization of the Universitat Politècnica de València, of the Mediterranean coast of Spain. Special focus is dedicated ...