Results 31 to 40 of about 1,281,141 (243)

Features thermoacoustic thermal machines using low-temperature thermal energy source [PDF]

open access: yes, 2016
Розглянути питання розробки ефективних систем використання низькотемпературних теплових ресурсів з застосуванням термоакустичних теплових машин. Проведено аналіз наявних теоретичних моделей термоакустичних апаратів, виявлені фактори, які суттєво ...
Коробко, Володимир Владиславович
core   +1 more source

Heat Pump Use in Rural District Heating Networks in Estonia

open access: yesEnvironmental and Climate Technologies, 2021
District heating has proven to be an efficient way of providing space heating and domestic hot water in populated areas. It has also proven to be an excellent way to integrate various renewable energy sources (RES) into the energy system.
Lepiksaar Kertu   +3 more
doaj   +1 more source

Study of stand-alone building heating system operating with renewable energy sources under moderate continental climate conditions [PDF]

open access: yesE3S 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

An electrochemical system for efficiently harvesting low-grade heat energy [PDF]

open access: yes, 2013
Efficient and low-cost thermal energy-harvesting systems are needed to utilize the tremendous low-grade heat sources. Although thermoelectric devices are attractive, its efficiency is limited by the relatively low figure-of-merit and low-temperature ...
A Gunawan   +19 more
core   +1 more source

Investigation of effect of heat exchanger size on power output in low-temperature difference Stirling engines [PDF]

open access: yesE3S Web of Conferences, 2021
The Stirling engine is capable of converting any source of thermal energy into kinetic energy, which makes it an attractive option for utilizing low-temperature sources such as geothermal or waste heat below 100 °C.
Hasanovich Linda, Nobes David
doaj   +1 more source

Low Temperature Heat Source Utilization Current and Advanced Technology [PDF]

open access: yes, 1992
Once a geothermal heat source has been identified as having the potential for development, and its thermal, physical, and chemical characteristics have been determined, a method of utilization must be decided upon. This compendium will touch upon some of these concerns, and hopefully will provide the reader with a better understanding of technologies ...
Anderson, James H. Jr.   +1 more
openaire   +2 more sources

Potential Diffusion of Renewables-Based DH Assessment through Clustering and Mapping: A Case Study in Milano

open access: yesEnergies, 2021
This work aims at developing a methodology for the assessment of district heating (DH) potential through the mapping of energy demand and waste heat sources. The presented method is then applied to the Metropolitan City of Milano as a case study in order
Giulia Spirito   +5 more
doaj   +1 more source

Absorption power cycles for low‐temperature heat sources using aqueous salt solutions as working fluids

open access: yes, 2017
There are many low‐temperature heat sources; however, current technologies for their utilization have a relatively low efficiency and high cost. The leading technology in the low‐temperature domain for heat‐to‐work conversion is the organic Rankine cycle
V. Novotny, M. Kolovratník
semanticscholar   +1 more source

TWO-STAGE HEAT PUMPS FOR ENERGY SAVING TECHNOLOGIES

open access: yesHolodilʹnaâ Tehnika i Tehnologiâ, 2017
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.
A. E. Denysova   +3 more
doaj   +1 more source

RELaTED Project: New Developments on Ultra-Low Temperature District Heating Networks

open access: yesProceedings, 2020
District heating networks deliver around 13% of the heating energy in the EU, being considered as a key element of the progressive decarbonization of Europe. The H2020 REnewable Low TEmperature District project (RELaTED) seeks to contribute to the energy
Antonio Garrido Marijuan   +5 more
doaj   +1 more source

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