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Browsing by Subject "Heat pumps"

Now showing items 1-13 of 13

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 ...
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 ...
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. ...
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 ...
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 ...
Techno-economic evaluation of integrated energy systems for heat recovery applications in food retail buildings

Sarabia Escrivà, Emilio José; Hart, Matthew; Acha, Salvador; Soto Francés, Víctor Manuel; Shah, Nilay; Markides, Christos N. (Elsevier, 2022-01-01)

[EN] Eliminating the use of natural gas for non-domestic heat supply is an imperative component of net-zero targets. Techno-economic analyses of competing options for low-carbon heat supply are essential for decision makers ...
Thermal characterization of buildings from the monitoring of the AC system consumption

Payá Herrero, Jorge; Corberán Salvador, José Miguel; de Gracia, Alvaro; Castell, Albert; Cabeza, Luisa Fernanda (Elsevier, 2016-03-15)

[EN] This work presents a comparative study between two buildings or cubicles with a same geometry and orientation but with different constructive layers. The mineral wool cubicle is more insulated whereas the alveolar ...