Results 31 to 40 of about 1,964,897 (185)

The residential heat pumps’ impact on national CO2 emission

open access: yesE3S Web of Conferences, 2018
The decarbonisation potential of residential heat pump technology strongly depends on the public electricity and heat production system. The study presents the national scenarios of replacing the individual heat sources with electrically driven heat ...
Niemierka Elżbieta
doaj   +1 more source

A Simulation-Optimisation Method for Targeting the Optimal Placement of Heat Pumps in Heat Exchanger Networks

open access: yesChemical Engineering Transactions, 2019
Heat pumps can enhance the utilization of low-grade thermal energy. Setting heat pumps correctly in a heat exchanger network can reduce the consumption of cold and hot utilities, achieving energy saving and pollution reduction.
Ting Li, Minbo Yang, Xiao Feng
doaj   +1 more source

Modelling Load Profiles of Heat Pumps

open access: yesEnergies, 2019
Approximately one quarter of energy-related emissions in Germany are caused by the domestic sector. At 81%, the largest share of these emissions is due to heat supply. Many measures are available to reduce these emissions. One of these measures, which is
Jochen Conrad, Simon Greif
doaj   +1 more source

Performance and Economic Analysis of Two Types of High-Temperature Heat Pump Based on New Refrigerants

open access: yesApplied Sciences
This paper proposes, for the first time, the research concept of comparing energy and economy between transcritical cycle high-temperature heat pumps and subcritical cycle high-temperature heat pumps with new refrigerants. Experiments and simulations are
Dahan Sun, Jiang Qin, Zhongyan Liu
doaj   +1 more source

Increasing Economic Benefits by Load-Shifting of Electrical Heat Pumps

open access: yesChemical Engineering Transactions, 2014
Electrical heating is still widely used in the process industry. While the use of immersion heaters for the production of hot water or steam is declining, the adoption rate of electrical heat pumps is increasing rapidly. Heat pumps show great flexibility
J.I. Laveyne   +3 more
doaj   +1 more source

Heat Pumping in Nanomechanical Systems

open access: yesPhysical Review Letters, 2011
4 pages, 1 figure, published ...
Chamon, Claudio   +3 more
openaire   +8 more sources

Cost-optimization model to design and operate hybrid heating systems – Case study of district heating system with decentralized heat pumps in Finland

open access: yes, 2023
Funding Information: Decentralized electrification means utilizing small- and medium scale electricity-driven heat production technologies in secondary side of district heating network, i.e. in buildings. These can be e.g.
Pesola, Aki, Aki Pesola
core   +1 more source

Gender and the heat pump transition

open access: yesBuildings & Cities, 2023
Decarbonisation in moderate and cold climates is reliant on the replacement of existing heating technologies with electric heat pumps. Heat pumps work differently from incumbent technologies, including in how they are controlled, their distribution of ...
Jenny Crawley, Faye Wade, Mandy de Wilde
doaj   +1 more source

Heat Exchanger Network Design Considering the Heat Pump Performance

open access: yesChemical Engineering Transactions, 2014
Setting heat pumps correctly in a heat exchanger network can reduce the consumption of cold and hot utilities simultaneously and further enhance the energy utilization efficiency.
M. Yang, X. Feng, G. Liu
doaj   +1 more source

Assessment of Replacing Gas Boilers with Heat Pumps for Hot Water Preparation in Car Washes [PDF]

open access: yesE3S Web of Conferences
The study provides a complex analysis for replacement of the natural gas boilers with air to water heat pumps, as the heat source for the hot water to be used in the car washing machines.
Talaba Ovidiu   +3 more
doaj   +1 more source

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