Results 41 to 50 of about 1,964,897 (185)

Increasing the efficiency of ground-source heat pumps based on consumer operating mode data

open access: yesTrudy Odesskogo Politehničeskogo Universiteta
The introduction of renewable energy sources into the municipal heat power generation heat supply systems corresponds to modern policies of transition to "green energy" and decarbonization of both industry and various branches of power engineering. This
Володимир Іванович Шевчук   +4 more
doaj   +5 more sources

Efficiency analysis of using a combination of air and ground heat pumps for heating and ventilation

open access: yesEurasian Physical Technical Journal, 2021
The article considers the energy efficiency of the combination of two most common heat sources for heat pumps, namely soil and ambient air. A feature of such a system is the connection of air and ground heat pumps in series with water.
M.K. Bezrodny, S.А. Oslovskyi
doaj   +1 more source

Heat pumps

open access: yes
Heat pumps (HP) have been a well-known technology for many years and widely used for heating and cooling of residential buildings due to relatively higher energy utilization efficiencies. In this regard, the structure of the chapter is as follows: some in Yasar University, Bornova, Izmir ...
  +6 more sources

Evaluating the potential of a process site for waste heat recovery [PDF]

open access: yes, 2014
Full text via FindIt@Manchester(opens in a new window)|Full-text(opens in a new window)| Export | Download | More... Chemical Engineering TransactionsVolume 39, Issue Special Issue, 2014, Pages 1069-107417th Conference on Process Integration, Modelling ...
Perry, Simon   +2 more
core   +1 more source

Renovation Results of Finnish Single-Family Renovation Subsidies: Oil Boiler Replacement with Heat Pumps

open access: yesEnergies, 2022
Finland has approximately 150,000 oil-heated private homes. In 2020, the Finnish government launched subsidies for private homeowner energy renovations.
Paula Sankelo   +3 more
doaj   +1 more source

Gas Engine-Driven Heat Pumps for Small-Scale Applications: State-of-the-Art and Future Perspectives

open access: yesEnergies, 2021
Gas engine-driven heat pumps are an interesting option to satisfy space heating and cooling demands aiming at energy saving, environmental impact and operating costs’ reduction.
Carlo Roselli   +2 more
doaj   +1 more source

A Numerical Study on System Performance of Groundwater Heat Pumps

open access: yesEnergies, 2015
Groundwater heat pumps have energy saving potential where the groundwater resources are sufficient. System Coefficients of Performance (COPs) are measurements of performance of groundwater heat pump systems.
Jin Sang Kim, Yujin Nam
doaj   +1 more source

Noise reduction in heat pumps

open access: yes, 2001
If not designed and installed properly in a suitable location, heat pumps can produce noise at nuisance levels for adjacent residents. Various (national and international) systems and guidelines used for measuring, predicting and regulating noise levels ...
Eggenschwiler, Kurt (author)   +1 more
core   +1 more source

Sorption heat pumps for industrial high-temperature applications: A comprehensive review

open access: yesEnergy Conversion and Management: X
High-temperature sorption heat pumps have garnered increasing attention as a critical technology for improving energy efficiency and reducing carbon emissions in industrial processes.
Matteo Ametta   +2 more
doaj   +1 more source

Comprehensive review of heat exchanger technology for marine heat pumps: Geometries, performance, and challenges [PDF]

open access: yesE3S Web of Conferences
Marine heat pumps are a renewable solution for heating and cooling that harnesses the thermal energy stored in seawater. This study provides a review of recent advances in heat pumps, covering five main configurations: double-tube helical heat exchangers,
Abou-elfath Zaina, El-hamdani Sakina
doaj   +1 more source

Home - About - Disclaimer - Privacy