Results 11 to 20 of about 287,653 (309)

Experimental study of an air-source heat pump for simultaneous heating and cooling – Part 2: Dynamic behaviour and two-phase thermosiphon defrosting technique

open access: green, 2011
International audienceThis article presents the concepts of an air-source Heat Pump for Simultaneous heating and cooling (HPS) designed for hotels and smaller residential, commercial and office buildings in which simultaneous needs in heating and cooling
Paul Byrne, Jacques Miriel, Yves Lénat
openalex   +4 more sources

Analysis of energy-saving effect of fresh air heat recovery system for residential buildings in severe cold area [PDF]

open access: yesE3S Web of Conferences, 2022
In recent years, the tightness of residential buildings has been continuously enhanced, causing the problem of indoor air quality degradation. Therefore, it is necessary to introduce fresh air that meets the air quality requirements from the outside, and
Hao Yuxiang   +3 more
doaj   +1 more source

Measurement and Verification of Integrated Ground Source Heat Pumps on a Shared Ground Loop

open access: yesEnergies, 2020
We propose an integrated geothermal system that consists of air-conditioning and hot water service ground source heat pumps, both of which share a ground water loop.
Jeong Soo Shin   +2 more
doaj   +1 more source

Dynamic simulation model of trans-critical carbon dioxide heat pump application for boosting low temperature distribution networks in dwellings [PDF]

open access: yes, 2019
This research investigates the role of new hybrid energy system applications for developing a new plant refurbishment strategy to deploy small scale smart energy systems.
De Santoli, Livio   +4 more
core   +1 more source

L-Sol – heating system with PVT-collectors as single heat source for a brine-water heat pump [PDF]

open access: yes, 2019
The building sector has a huge potential for reducing greenhouse gas emission without the need of a higher sufficiency. The key is to build and retrofit buildings with good envelopes as well as choosing efficient heating systems.
Hunziker, Manuel   +4 more
core   +1 more source

Simulation, implementation and monitoring of heat pump load shifting using a predictive controller [PDF]

open access: yes, 2017
A predictive load shifting controller has been developed and deployed in a low-carbon house near Glasgow, UK. The house features an under floor heating system, fed by an air-source heat pump. Based on forecast air temperatures and solar radiation levels,
Allison, John   +5 more
core   +1 more source

Assessing heat pumps as flexible load [PDF]

open access: yes, 2013
In a future power system featuring significant renewable generation, the ability to manipulate domestic demand through the flexible operation of heat-led technologies such as heat pumps and micro-combined heat and power could be a critical factor in ...
Boardman B   +8 more
core   +1 more source

Ground-Source Heat Pumps with Horizontal Heat Exchangers for Space Cooling in the Hot Tropical Climate of Thailand

open access: yesEnergies, 2019
The cooling of spaces in tropical regions, such as Southeast Asia, consumes a lot of energy. Additionally, rapid population and economic growth are resulting in an increasing demand for space cooling.
Arif Widiatmojo   +6 more
doaj   +1 more source

Study on the Performance of Multiple Sources and Multiple Uses Heat Pump System in Three Different Cities

open access: yesEnergies, 2020
Various efforts have been made worldwide to reduce energy use for heating, ventilation, and air-conditioning (HVAC) systems and lower carbon dioxide (CO2) emissions. Research and development are essential to ensuring the efficient use of renewable energy
Hongkyo Kim   +3 more
doaj   +1 more source

Scheme design and economic analysis of an office building’s cold and heat source system in hot-summer and cold-winter zone [PDF]

open access: yesE3S Web of Conferences, 2021
In the context of green development and sustainable development, in response to the national policy of “carbon neutrality and peak carbon dioxide emissions”, we will fully implement clean energy heating and reduce air pollution.
Jiang Xiangting   +5 more
doaj   +1 more source

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