Results 51 to 60 of about 27,766 (222)
Energy Science &Engineering, EarlyView.Glazed transpired solar collectors achieve 48–75% efficiency and 11% more seasonal heat than unglazed designs by cutting convective losses, while both offer complementary benefits for ventilation preheating and dynamic wall insulation, with paybacks of 5.5–6.8 years.
Mohammad Fawaier +7 more
wiley +1 more source
Chemical exergy calculations for petroleum and petroleum-derived liquid fractions
, 2013 This work focused on the chemical exergy calculation methods that can be applied to petroleum and petroleum-derived liquid fuels. The importance of thermodynamic data in the calculation of chemical exergies, and the limitations due to the absence of this
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A New Numerical Approach for Exergy Targets and Losses Determination in Sub-Ambient Processes
Chemical Engineering Transactions, 2017 Sub-ambient processes such as a refrigeration system are a highly energy intensive area in chemical industries. Refrigeration systems require a high level of process cooling using a combination of compression and expansion operations.
M.N. Hamsani, P.Y. Liew, T.G. Walmsley
doaj +1 more source
Exergoeconomic Evaluation of LNG and NGL Co-production Process Based on the MFC Refrigeration Systems [PDF]
Iranian Journal of Oil & Gas Science and Technology, 2016 In this paper, exergy and exergoeconomic analysis is performed on the recently proposed process forthe coproduction of liquefied natural gas (LNG) and natural gas liquids (NGL) based on the mixedfluid cascade (MFC) refrigeration systems, as one of the ...
Hojat Ansarinasab +2 more
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Energy Science &Engineering, EarlyView.This graphical abstract presents a solar‐powered reverse osmosis (RO) system for the Sundarbans, Bangladesh. Mechanistic modeling reveals a critical seasonal mismatch: during the monsoon, feed water salinity peaks (24.8 ppt) while solar irradiance drops significantly.
Debasish Sarker +3 more
wiley +1 more source
On exergy and sustainable development—Part 2: Indicators and methods
, 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
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Analogy Analysis of Height Exergy and Temperature Exergy in Energy Storage System
EnergiesAs a pivotal technology and infrastructure component for modern power systems, energy storage has experienced significant advancement in recent years.
Yan Cui, Tong Jiang, Mulin Liu
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Modelling and Simulation in Engineering, 2018 Developed power variation of turbogenerator (TG) steam turbine, which operates at the conventional LNG carrier, allows insight into the change in turbine exergy efficiency and exergy destruction during the increase in turbine power.
Vedran Mrzljak +2 more
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Sustainable Development, EarlyView.ABSTRACT Sustainability represents a complex issue in which scientific knowledge inevitably coexists with the subjective perception of humans in its turn influenced by civilization, cultural but also unconscious aspects. These results emerge with evidence from a critical analysis of the main definitions of sustainability delivered by credited entities (
Francesco Di Maria, Hamid Safarzadeh
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Secure Enough? Sufficiency and Security in the New Geological and Geopolitical Reality
Sustainable Development, EarlyView.ABSTRACT This article advances sufficiency theorizing by examining its relationship with security in the contemporary geopolitical context. It engages three contextually situated discourses: sustainable development, ecological civilization, and degrowth, to explore how concerns over ecological limits intersect with emerging geopolitical and security ...
Pasi Heikkurinen +3 more
wiley +1 more source