Results 101 to 110 of about 1,960,440 (218)

On exergy and sustainable development—Part 2: Indicators and methods

open access: yes, 2001
This second part is the continuation of Wall and Gong [Exergy Internat. J. 1 (3) (2001), in press]. This part is an overview of a number of different methods based on concepts presented in the first part and applies these to real systems.
Mei Gong   +3 more
core   +1 more source

One-dimensional exergy analysis of an unglazed low-cost PhotoVoltaic/Thermal solar collector

open access: yes, 2018
In this paper, a one-dimensional finite-volume model of a low-cost unglazed flat-plate PhotoVoltaic/Thermal (PVT) solar collector is presented. Mass, energy and exergy balances are performed for each element of the computational domain, discretised along
Calise, Francesco   +2 more
core   +1 more source

Thermoeconomics as a tool for the design and analysis of energy savings initiatives in buildings connected to district heating networks [PDF]

open access: yes, 2012
District Heating (DH) is a rational way to supply heat to buildings in urban areas. This is expected to play an important role in future energy scenarios, mainly because of the possibility to recover waste heat and to integrate renewable energy sources ...
Kona Albana   +2 more
core  

Ocean exergy and energy conversion systems

open access: yes, 2012
Oceans store energy in the form of currents, waves, tides, heat and salinity that can help to alleviate worldwide demand for power and the global climate change threat.
Miguel, A. F., Aydin, M., Miguel, A.F.
core   +1 more source

Multi-Objective Thermodynamic and Thermoeconomic Optimization of the Gas Turbine Cycle with Intercooling, Reheating, and Regeneration

open access: yesApplied Sciences
There are numerous operating parameters that affect the thermodynamic and thermoeconomic performance of gas turbine cycles, and many studies based on energy, exergy, and economic analyses have been conducted in the literature by considering these ...
Ali Husnu Bademlioglu
doaj   +1 more source

Aircraft fuel system energy and exergy analysis under hot day conditions

open access: yes, 2018
WOS: 000428177300004In this paper, energy and exergy analysis of the fuel system is performed to investigate the variation of flow and heat energies of fuel.
Altuntaş, Önder   +9 more
core   +1 more source

Exergy Analysis Of Laminar Fluid Flow İn Stainless Steel Microtubes

open access: yes, 2011
In the study, exergy analysis of steady laminar fluid flow in stainless steel microtubes with diameters between 103 mu m and 179 mu m were conducted in the adiabatic conditions experimentally.
Hasan Kucuk   +8 more
core   +1 more source

Experimental investigation of graphene-based nanofluid enhanced photovoltaic/thermal system: Energy and exergy analysis

open access: yesEnergy Conversion and Management: X
The performance of photovoltaic (PV) modules is significantly influenced by the operating temperature, the higher temperature the lower module efficiency.
Hussain Madhi   +3 more
doaj   +1 more source

Investigation of effect of varying dead-state temperatures on energy and exergy efficiencies of a Raw Mill process in a cement plant

open access: yes, 2009
Dead-state temperature directly affects the exergy efficiency of thermal systems. The main objectives of the present study are twofold, namely, to investigate the effects of varying dead-state temperatures on the energy and exergy analyses of a Raw Mill ...
Sogut, Ziya   +6 more
core   +1 more source

Exergy balance and efficiency of the absorptive and adsorptive processes by the example of deaerator

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2016
The work is devoted to assessing of the effectiveness of chemical-technological processes on the basis of exergy analysis method by the example of the processes in the deaerator. Aim: The aim of the work is to demonstrate the features of the application
Олег Олексійович Кардасевич   +2 more
doaj   +2 more sources

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