Thermodynamic analysis for definition of low-potential heat sources
Unconventional ResourcesThis study presents a method for defining low-potential energy sources based on thermodynamic analysis. It defines low potential energy sources and presents the results of calculating temperature levels corresponding to the concept of a low potential energy source.
Michail Purdin
doaj +4 more sources
RUDN Journal of Engineering Researches, 2019 The article describes the experimental setup for testing a heat pump and the results of its operation at various temperatures at its inlet and outlet. An actually task is to study the operation of a heat pump under various boundary conditions, which are determined from the phase transition temperature in the evaporator and condenser. These temperatures
Yuriy A. Antipov +4 more
openaire +4 more sources
Title Use of Waste Heat from Generator Sets as the Low-Temperature Heat Source for Heat Pumps
EnergiesThis study investigates the feasibility of using waste heat from generator sets as the low-temperature heat source for heat pumps in off-grid energy systems, addressing the need for more efficient and self-sufficient heating solutions. A conceptual model
Sławomir Rabczak +2 more
doaj +2 more sources
Analysis of retrofit air source heat pump performance : results from detailed simulations and comparison to field trial data [PDF]
, 2011 In the UK, gas boilers are the predominant energy source for heating in housing, due primarily to the ready availability of natural gas. The take-up of heat pumps has lagged far behind Europe and North America.
Kelly, N.J., Cockroft, J.
core +4 more sources
Comparative evaluation of the energy and economic efficiency of vapor compression heat pumps in modernization of large chemical and oil refining industries. Part 2 [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2023 The question of the expediency of increasing the energy efficiency of a large chemical and oil refining industry by using process heat carriers and raw materials as heaters of vapor compression heat pumps based on systems for recuperating heat process ...
V. L. Yusha +2 more
doaj +1 more source
Assessment of two-level heat pump installations’ power efficiency for heat supply systems
Trudy Odesskogo Politehničeskogo Universiteta, 2015 The problem of energy saving becomes one of the most important in power engineering. It is caused by exhaustion of world reserves in hydrocarbon fuel, such as gas, oil and coal representing sources of traditional heat supply.
Алла Євсеївна Денисова +1 more
doaj +7 more sources
Features of modeling a highly efficient multistage vapor compression heat pump unit
RUDN Journal of Engineering Research, 2021 The increase in the cost of fuel and energy resource and the deterioration of the environment from the combustion of traditional fossil fuel, have led to a great interest in energy-saving technology by using secondary energy resources in the thermal ...
Yuri A. Antipov +6 more
doaj +1 more source
Ground-source heat pumps and underground thermal energy storage: energy for the future [PDF]
, 2008 We need energy for space heating—but in most cases not where or when energy sources are available. Energy storage, which helps match energy supply and demand, has been practised for centuries, also in Norway.
Banks, D. +4 more
core +5 more sources
Promising directions for the use of heat from low-potential sources of chemical production
Power engineering: research, equipment, technology, 2022 THE PURPOSE. Development of promising directions for improving the technology of an oil refinery (refinery) based on the use of heat from low-temperature sources of the primary oil distillation system.METHODS. The analysis of the technological scheme of the refinery carried out, in order to identify the most energy-intensive system, while using the ...
A. V. Fedyukhin, A. G. Zvonchevsky
openaire +2 more sources
Study of stand-alone building heating system operating with renewable energy sources under moderate continental climate conditions [PDF]
E3S Web of Conferences, 2021 The climatic conditions in Moscow limit to a certain extent the utilization of renewable energy sources for heat supply. Long heating period, relatively low average daily sunshine hours during heating period, and low outside temperatures act as barriers ...
Sokolov Ivan +2 more
doaj +1 more source