Results 111 to 120 of about 32,285 (228)

Exergy Evaluation of a Heat Supply System with Vapor Compression Heat Pumps

open access: yesEnergies, 2019
The vapor compression heat pumps are very popular solutions regarding heat supply systems of modern, low energy buildings. It is partly due to the fact that they are treated as a sustainable heat supply.
Agata Rijs, Tomasz Mróz
doaj   +1 more source

The use of exergy analysis to benchmark the resource efficiency of municipal waste water treatment plants in Ireland [PDF]

open access: yes, 2014
Exergy Analysis has been identified in the literature as a powerful tool to benchmark the resource efficiency of thermal systems. The exergy approach provides a rational basis for process optimisation, where, in theory, the processes with the greatest ...
Corcoran, Brian   +5 more
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Exergy Analysis of Multicomponent Distillation Systems for Efficiency Ranking

open access: yesChemical Engineering Transactions, 2012
In this paper a complex methodology is tested and verified to select the most adequate energy integrated distillation structure for a specific separation task. Exergy, economic and environmental analyses are applied to select the most efficient rectification structures for separation of quaternary hydrocarbon mixtures.
Haragovics M., Mizsey P.
openaire   +2 more sources

Exergetic performance assesment of a downward solar air heater with impinging air jets - An experimental study

open access: yesCase Studies in Thermal Engineering
The main objective of the present study is to perform an in-depth exergetic analysis on a downward solar air heater (SAHRR) in two configurations: one incorporating impinging air jets and the other without it utilizing an indoor experimental setup.
M. Harikrishnan   +4 more
doaj   +1 more source

Heat transfer enhancement with gas-to-gas micro heat exchangers [PDF]

open access: yes, 2014
This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the ...
4th Micro and Nano Flows Conference (MNF2014)   +3 more
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Structural dynamic eutrophication models [PDF]

open access: yes, 1992
This article discusses problems of modelling the seasonal succession of algal species in lakes and reservoirs, and the adaptive selection of certain groups of algae in response to changes in the inputs and relative concentrations of nutrients and other ...
Jorgensen, S.E.
core  

Exergy analysis of a diesel methanol dual fuel engine with different regulatory strategies for meeting China VI emission regulations

open access: yesCase Studies in Thermal Engineering
To reveal the mechanism for high brake thermal efficiency (BTE) of diesel methanol dual fuel (DMDF) engine meeting China VI emission regulations without urea, experimental and computational methods were used to study the exergy distribution with ...
Baodong Ma   +3 more
doaj   +1 more source

UKERC Review of evidence for the rebound effect: Technical report 5: Energy, productivity and economic growth studies [PDF]

open access: yes, 2007
This report forms part of the TPA’s assessment of evidence for a rebound effect from improved energy efficiency. Technical Report 5 focuses upon the relationship between energy, productivity and economic growth and examines the claim that improved energy
Dimitropoulos, John, Sorrell, Steve
core   +1 more source

Exergy analysis of cooling towers for optimization of HVAC systems [PDF]

open access: yes, 2011
Conference theme: Green & Sustainable Technology Development (绿色科技与可持续发展)Exergy analysis is a useful thermodynamic technique for assessing and improving the efficiency of processes and systems.
Hui, SCM, Wong, HYK
core  

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