Results 11 to 20 of about 162 (95)

La rente hydroélectrique en Afrique: Une évaluation avec taxation et optimisation des coûts totaux de production

open access: yes, 2020
Le but de cette étude est d’évaluer la rente économique potentielle générée par le secteur hydroélectrique en Afrique. La méthodologie utilisée consiste à calculer cette rente comme étant la différence entre les coûts totaux minimisés de deux systèmes ...
Fondja Wandji, Yris   +1 more
core   +10 more sources

Électricité : est-il possible de contenir la hausse des prix ? [PDF]

open access: yes, 2022
editorial reviewedLes ménages et les entreprises sont confrontées à des hausses importantes de leurs factures d’énergie, conséquence de la guerre en Ukraine et de la volonté européenne de se passer du pétrole et du gaz russe. Le prix de l’électricité est
Gautier, Axel
core   +1 more source

Consommation d’énergie et théorie des pratiques : vers des pistes d’action pour la transition énergétique

open access: yes, 2018
International audienceEnergy consumption and practice theory: towards possible courses of action for energy transitionIn a context in which energy reduction is encouraged, what are levers for action on individuals’ consumptionpatterns beyond values ...
Roux, Dominique   +2 more
core   +2 more sources

Using a Zero‐Strain Reference Electrode to Distinguish Anode and Cathode Volume Changes in a Solid‐State Battery

open access: yesAdvanced Materials Interfaces, EarlyView.
Volume changes of a solid‐state battery cell are separated into the individual contributions of anode and cathode. Simultaneously determining the “reaction volumes” of both electrodes requires a reference electrode with a pressure‐independent potential.
Mervyn Soans   +5 more
wiley   +1 more source

Energy Balancing of Electrochemical Alternatives to the Solvay Process

open access: yesChemie Ingenieur Technik, EarlyView.
To overcome the CaCl2 and CO2 emissions custom to the conventional Solvay process in soda ash production, electrochemically based alternatives were investigated. In particular, the mass‐ and energy balances for chlor‐alkali electrolysis and bipolar electrodialysis‐based processes are discussed comprehensively in the presented work.
Tom Wenzel   +3 more
wiley   +1 more source

A Short‐Cut Design Approach to Evaluate Reboiler Designs in Vapor Recompression Scenarios

open access: yesChemie Ingenieur Technik, EarlyView.
A short‐cut model framework that incorporates mechanical vapor recompression (MVR) requirements into reboiler design is presented, which is particularly beneficial during early process development with limited data or initial feasibility assessments.
Franziska Lais   +2 more
wiley   +1 more source

Matching Heat Pump Configurations and Process Parameters for Cost‐Minimal Heat‐Integrated CO2 Capturing Process

open access: yesChemie Ingenieur Technik, EarlyView.
In a CO2 absorption process, it is investigated whether the adjustment of operating parameters facilitates the integration of different closed heat pump cycles considering various refrigerants. The influence of different integration concepts and electricity prices are investigated by means of resulting total annual costs.
Johannes Wloch   +2 more
wiley   +1 more source

Method for the Ecological and Economic Assessment of Mechanical Vapour Recompression in the WindaB Tool

open access: yesChemie Ingenieur Technik, EarlyView.
Method to assess economic and ecologic advantages of mechanical vapour recompression at early stage of development. Main correlations between design parameters and profitability as well as CO2 emission reductions are described shown in a case study of methanol–water.
Hannes Schneider   +2 more
wiley   +1 more source

Transforming Agricultural Water Management Through the Water–Energy–Food Nexus: Trends, Opportunities, Barriers and Solutions

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT Agricultural water management (AWM) is increasingly transitioning towards transformative thinking, where interconnected sectors, including water, energy and food, are managed holistically. Trends point towards cross‐sectoral and harmonised strategies to optimise water use efficiency and productivity, integrate renewable energy, promote ...
Luxon Nhamo   +5 more
wiley   +1 more source

La sûreté à l’épreuve de la complexité : les limites de l’action managériale

open access: yes, 2022
Les « systèmes presque totalement sûrs » se veulent reposer sur une sûreté réglée visant à prévoir tout ce qui est possible, et une sûreté gérée prévue pour faire face à l’imprévu.
Catherine Thomas   +5 more
core   +1 more source

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