Exploració per tema "Bombes de calor"
Ara es mostren els items 21-40 de 42
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Feasibility analysis and performance evaluation and optimization of a DXSAHP water heater based on the thermal capacity of the system: a case study
(2019-10-14)
Article
Accés obertThe present work conducts an evaluation of the feasibility and the overall performance and consequent optimization of a direct expansion solar assisted heat pump (DXSAHP) employed for domestic water heating. For the study ... -
Ground heat pump in combination with discrict heating for a multi-dwelling building in Gävle
(Universitat Politècnica de Catalunya / Universtity of Gävle, 2011)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorEnvironment has become a major concern for society, which awareness of the importance of an environmentally respectful development has been growing during the last decades. Economic reasons have encompassed this transition ... -
Heat recovery in a drying process
(Universitat Politècnica de Catalunya, 2012)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorThis project has the aim of find different designs to optimize the energy usage in a drying process located in Hofors. The company is called Sorption AB and produces pellets using the waste material of the paper factories ... -
High cooling performance in a double-loop electrocaloric heat pump
(2023-11-16)
Article
Accés obertCooling through solid-state electrocaloric materials is an attractive replacement for vapor compression. Despite recent efforts, devices that are potentially commercially competitive have not been developed. We present an ... -
High-temperature heat pump simulator (heatpack) for application in computer laboratory sessions for engineering students
(OmniaScience, 2021-04)
Article
Accés obertA significant amount of energy in the form of heat is lost in industrial processes once it is used in specific processes. Among different technologies, high-temperature heat pumps (HTHP) are a valuable method of recovering ... -
Hybrid photovoltaic-thermal solar systems for combined heating, cooling and power provision in the urban environment
(Elsevier, 2017)
Article
Accés obertSolar energy can play a leading role in reducing the current reliance on fossil fuels and in increasingrenewable energy integration in the built environment, and its affordable deployment is widely recog-nised as an important ... -
Implementation of methodologies for calculating vertical Borehole Heat Exchangers (BHE) lengths for Ground source heat pumps (GSHP) systems in MATLAB: Design of an App
(Universitat Politècnica de Catalunya, 2020-07-30)
Projecte Final de Màster Oficial
Accés obertThe exponential exploitation of fossil fuels in the XX century, despite its positive benefits in terms of life quality and macroeconomic indicators, has brought what some consider the biggest challenge in the history of ... -
Instal·lació fotovoltaica d’un habitatge unifamiliar
(Universitat Politècnica de Catalunya, 2021-05-27)
Treball Final de Grau
Accés restringit per decisió de l'autorEn aquest document es descriu la implementació d’una instal·lació fotovoltaica d’un habitatge que s’abasteix mitjançant sistemes d’energia convencionals. La instal·lació fotovoltaica que es desenvolupa està connectada a ... -
Large Scale Heat Pump Installation Effects on the Interaction between Buildings and the Electric Grid
(Universitat Politècnica de Catalunya, 2018-09-17)
Projecte Final de Màster Oficial
Accés obertIn the past years Heat Pumps (HP s ) have experienced significant growth rates , and this electrification of residential heating could contribute to decarbonizing the energy sector in many countries, as well as provide ... -
Life cycle assessment and comparison of various ground source heat pump systems and coefficient of performance calculations based on a Wisconsin case study
(Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
Text en actes de congrés
Accés obert -
Measurement of the Influence of Sheet Cavitation on the Heat Generated in a Closed Loop Pumping System
(2021)
Comunicació de congrés
Accés restringit per política de l'editorialThe so-called hydrodynamic heat generators are claimed as high efficiency heating devices, avoiding scaling by warming liquids without transfer surface with the help of cavitation effects. However, neither the mechanisms ... -
Multi-energy systems applied to the building sector (Heat Pump Technology)
(Universitat Politècnica de Catalunya / Politecnico di Torino, 2008)
Projecte/Treball Final de Carrera
Accés restringit per acord de confidencialitat
Realitzat a/amb: Politecnico di Torino -
Numerical and experimental analysis of air to water heat pumps
(International Energy Agency, 2014)
Comunicació de congrés
Accés restringit per política de l'editorialIn the present work a numerical and experimental analysis of a R134a air to water heat pump is carried out. A numerical model has been developed and implemented to predict the heat pump thermal and fluid-dynamic behavior. ... -
Numerical simulation and analysis of a heat pump system combined with thermal storage tank for DHW supply, controlled through a demand side management strategy
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2014-06)
Projecte Final de Màster Oficial
Accés obertAs general conception, this project is aimed to develop a software simulation model based on TRNSYS simulation platform which should help in the analysis and implementation of domestic Demand Side Management (DSM) strategies, ... -
Price and carbon-based energy flexibility of residential heating and cooling loads using model predictive control
(Elsevier, 2019-10-01)
Article
Accés obertModel predictive controllers (MPC) have shown great potential for activating the energy flexibility of thermal loads, especially in buildings equipped with heat pump systems. In this work, an MPC controller is developed ... -
Realización y análisis de los cálculos térmicos y de impulsión de aire de una instalación de climatización. aplicación en un mercado mediante una bomba de calor aire-agua.
(Universitat Politècnica de Catalunya, 2000)
Projecte/Treball Final de Carrera
Accés obert -
Review of control strategies for improving the energy flexibility provided by heat pump systems in buildings
(2019-02-01)
Article
Accés obert -
Revisio temporal dels gasos refrigerants per bombes de calor/equips d'aerotèrmia
(Universitat Politècnica de Catalunya, 2024-01-26)
Treball Final de Grau
Accés obertL’objectiu d’aquest treball és conèixer el món dels gasos refrigerants i una de les aplicacions que aquests tenen, els equips d’aerotèrmia. S’ha fet primer marc teòric on s’entrarà en profunditat en conèixer els gasos ... -
Simulation of ground source heat pump (GSHP) system at One New Change retail center, London
(Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
Text en actes de congrés
Accés obert -
Study of best pump selection for a thermal fluid installation
(Universitat Politècnica de Catalunya, 2022-01)
Treball Final de Grau
Accés obert
Realitzat a/amb: Uniwersytet ZielonogórskiThe selection of pumps for thermal fluid installations is complex and without an established methodology, it is difficult to follow. As there isn’t currently an established methodology to choose the right pump under ...