Results 81 to 90 of about 38,408 (225)
A Natural Value Unit - Econophysics as Arbiter between Finance and Economics
, 2006 Foreign exchange markets show that currency units (= accounting or nominal price units) are variables. Technical and economic progress evidence that the consumer baskets (= purchasing power units or real price units) are also variables.
Ahrends +18 more
core +1 more source
Energy Science &Engineering, EarlyView.Integration of a steam cycle with an existing gas turbine increased efficiency from 32% to 51%, reducing fuel consumption by 21.4% and CO2 emissions by 18.6%. The modification generated USD 13.9 million annual savings and lowered the Levelized Cost of Energy to 38.7 USD/MWh, with a 3‐year payback.
Vahid Pirouzfar +2 more
wiley +1 more source
Energy Science &Engineering, EarlyView.This review highlights how nano oils and eco‐friendly nano refrigerants enhance energy‐efficient refrigeration by improving thermal conductivity, lubrication, and system performance. The integration of rheological and tribological testing confirms reduced compressor work, better heat transfer, and higher COP using sustainable, low‐GWP refrigerants for ...
Mohammed Dilawar +7 more
wiley +1 more source
Quantifying resource footprints of products and services as the exergy extracted from nature by different countries [PDF]
, 2014 Although our whole society depends on the use of natural resources, they are not always used in a sustainable way. To achieve a more sustainable development, resource consumption needs to be measured.
Dewulf, Jo +2 more
core +1 more source
Energy Science &Engineering, EarlyView.ABSTRACT Thermochemical gasification is one of the most efficient methods for producing solid waste synthesis gas. Therefore, to predict and analyze the process of gasification of municipal solid waste (MSW) in a downdraft fixed‐bed gasification reactor with a thermal capacity of 2.1 kW, a comprehensive numerical modeling approach based on Gibbs free ...
Mohammad Reza Gharib +2 more
wiley +1 more source
Dynamic control strategy of a distillation system for a composition-adjustable organic Rankine cycle [PDF]
, 2017 Using zeotropic mixtures as working fluids can improve the thermal efficiency of Organic Rankine cycle (ORC) power plants for utilising geothermal energy.
Collings, Peter, Wang, Enhua, Yu, Zhibin
core +1 more source
Energy Science &Engineering, EarlyView.This review presents a comparative analysis of experimental studies aimed at improving the thermal efficiency of solar water heating (SWH) systems. Various enhancement techniques, including nanofluids, phase change materials, optimized collector designs, and hybrid photovoltaic–thermal systems, are evaluated based on their impact on system performance ...
Oluwaseyi O. Alabi +2 more
wiley +1 more source
Exergy Optimization of a Moving Bed Heat Exchanger [PDF]
, 2007 The MBHE proposed can be analyzed as a crossflow heat exchanger where one of the phases is a moving granular medium. In the present work the exergy analysis of the MBHE is carried out over operation data of the exchanger obtained in two ways: a numerical
Almendros Ibáñez, José Antonio +6 more
core +2 more sources
On the analogy between the evolution of thermodynamicand bibliometric systems: a breakthrough or justa bubble? [PDF]
, 2011 This paper presents an in depth study of an interesting analogy, recently proposed by Prathap (Scientometrics 87(3):515-524, 2011a), between the evolution of thermodynamic and bibliometric systems.
Franceschini, Fiorenzo +1 more
core +1 more source
Energy and Exergy Analysis of a Cruise Ship [PDF]
Energies, 2018 In recent years, the International Maritime Organization agreed on aiming to reduce shipping’s greenhouse gas emissions by 50% with respect to 2009 levels. Meanwhile, cruise ship tourism is growing at a fast pace, making the challenge of achieving this goal even harder.
Francesco Baldi +4 more
openaire +7 more sources