Results 21 to 30 of about 34,366 (261)

Identification and Removal of Negative Biomass Samples via Scatter Plot Analysis to Improve GWP Predictive Modeling [PDF]

open access: yesE3S Web of Conferences
Accurate prediction of Global Warming Potential (GWP) from biomass constituents is essential for evaluating the sustainability of bioenergy sources. However, the inclusion of biomass samples with weak or negative correlation to key elemental components ...
Gyawali Prakash   +6 more
doaj   +1 more source

Experiences Transitioning Automotive OEM Plants to Low GWP Refrigerant HFO-1234yf

open access: yesInternational Journal of Automotive Engineering, 2016
HFO-1234yf is a low GWP refrigerant developed for automotive air-conditioning (A/C) systems to replace HFC-134a. Industry-wide risk assessments found that HFO-1234yf can be safely used in mobile A/C applications with results previously presented. Various
Mary Elizabeth Koban
doaj   +1 more source

Thermophysical Properties of Low GWP Refrigerants: An Update

open access: yesInternational Journal of Thermophysics, 2023
AbstractIn the last decades, the industry of HVAC&R has faced continuous changes trying to identify environmentally friendly refrigerants for the numerous applications of the sector. However, the amount of low GWP fluids still available as potential refrigerants is limited to some natural fluids and, among synthetic chemicals, to hydrofluoroolefins
Fedele L.   +4 more
openaire   +1 more source

Theoretical analysis of a Low GWP Refrigerants as a Drop in substitute of R134a in a Domestic Refrigerator [PDF]

open access: yesIranica Journal of Energy and Environment, 2018
Now a days Fridges and Air-conditioners are mostly used in domestic environment. The CFCs have been almost ruled out since 1995 due to their huge impact on the ozone layer, due to the above problem HFC refrigerants are introduced but these are having a ...
M. Shaik Sk, K. Srinivas
doaj   +1 more source

Life cycle analysis of road construction and use [PDF]

open access: yes, 2019
Both the construction and use of roads have a range of environmental impacts; therefore, it is important to assess the sources of their burdens to adopt correct mitigation policies.
D'Andrea, Antonio   +2 more
core   +1 more source

Economic and environmental impacts of the energy source for the utility production system in the HDA process [PDF]

open access: yes, 2013
The well-known benchmark process for hydrodealkylation of toluene (HDA) to produce benzene is revisited in a multi-objective approach for identifying environmentally friendly and cost-effective operation solutions.
Azzaro-Pantel, Catherine   +3 more
core   +3 more sources

Modeling Liquid Thermal Conductivity of Low-GWP Refrigerants Using Neural Networks

open access: yesApplied Sciences, 2022
The thermal conductivity of refrigerants is needed to optimize and design the main components of HVAC&R systems. Consequently, it is crucial to have reliable models that are able to accurately calculate the temperature and pressure dependence of the ...
Mariano Pierantozzi   +2 more
doaj   +1 more source

Integration of Stable Ionic Liquid-Based Nanofluids into Polymer Membranes. Part II: Gas Separation Properties toward Fluorinated Greenhouse Gases

open access: yesNanomaterials, 2021
Membrane technology can play a very influential role in the separation of the constituents of HFC refrigerant gas mixtures, which usually exhibit azeotropic or near-azeotropic behavior, with the goal of promoting the reuse of value-added compounds in the
Fernando Pardo   +7 more
doaj   +1 more source

Environmental impact of organic agriculture in temperate regions [PDF]

open access: yes, 2012
Can organic agriculture elaborate a scientifically based, resource-efficien and agroecological approach to low-input farm management? This review examines the literature from temperate regions, with a particular emphasison Canadian and USstudies that ...
Bhatta, G.D., Halberg, N., Lynch, D.H.
core   +1 more source

A Comprehensive Thermodynamic Assessment of Cascade Refrigeration System Utilizing Low GWP Hydrocarbon Refrigerants

open access: yesInternational Journal of Thermofluids, 2022
The thermodynamic performance of a two-stage vapor compression cascade refrigeration system using hydrocarbon refrigerants is studied extensively in this study.
Md Walid Faruque   +3 more
doaj   +1 more source

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