Results 31 to 40 of about 2,279,988 (303)

Production system and method for producing fluids from a well [PDF]

open access: yes, 2002
A production system and method for producing fluids from a well are presented. The production system may include a submersible pump and a jet pump. The submersible pump may be arranged within the well.
Carvalho, Paulo M.   +2 more
core   +1 more source

Power Sector Flexibility through Power-to-Heat and Power-to-Gas Application – System Dynamics Approach

open access: yesEnvironmental and Climate Technologies, 2019
The European Union has set the target for energy sector decarbonization. Variable renewable energy technologies are necessary to reach this target, but a high level of variable renewable energy raises the flexibility issues.
Gravelsins Armands   +3 more
doaj   +1 more source

Design, Operation, Modeling and Grid Integration of Power-to-Gas Bioelectrochemical Systems

open access: yesEnergies, 2018
This paper deals with the design, operation, modeling, and grid integration of bioelectrochemical systems (BES) for power-to-gas application, through an electromethanogenesis process.
Raúl Santiago Muñoz-Aguilar   +5 more
doaj   +1 more source

The comparison of various gas turbine inlet aircooling methods for various ambient condition trough energy and exergy analysis [PDF]

open access: yes, 2012
The strong influence of climate conditions on gas turbine behavior is well known. During the summer season the output of gas turbines falls to a value that is less than the rated output under high temperature conditions. Cooling the turbine inlet air can
Kaviri, A. Ganjeh   +3 more
core   +1 more source

Game Theory for Secure Critical Interdependent Gas-Power-Water Infrastructure

open access: yes, 2017
A city's critical infrastructure such as gas, water, and power systems, are largely interdependent since they share energy, computing, and communication resources. This, in turn, makes it challenging to endow them with fool-proof security solutions.
Ferdowsi, Aidin   +3 more
core   +1 more source

Integrated Underground Gas Storage of CO2 and CH4 to Decarbonise the “Power-to-gas-to-gas-to-power” Technology

open access: yesEnergy Procedia, 2014
AbstractExcess energy produced from renewables can be stored and reused via the “power-to-gas-to-power” (PGP) technology. We present an innovative idea which represents a decarbonised extension of PGP based on a closed carbon cycle. Our show case for the cities Potsdam and Brandenburg/Havel (Germany) outlines an overall efficiency for the entire ...
Kühn, M.   +3 more
openaire   +6 more sources

An overview on safety issues related to hydrogen and methane blend applications in domestic and industrial use [PDF]

open access: yes, 2017
The share of electrical energy hailing from renewable sources in the European electricity mix is increasing. The match between renewable power supply and demand has become the greatest challenge to cope with.
de Santoli, Livio   +2 more
core   +1 more source

Biofuel supply chain planning and circular business model innovation at wastewater treatment plants: The case of biomethane production

open access: yesCleaner Logistics and Supply Chain
Advanced biofuels, such as biomethane, could contribute to environmental sustainability in increasingly interrelated sectors, such as energy and waste management. Accordingly, innovative biomethane production technologies are argued to be the enablers of
Zoltán Csedő   +2 more
doaj   +1 more source

Gas-to-hydraulic power converter [PDF]

open access: yes, 1982
A gas piston driven hydraulic piston pump is described in which the gas cycle is of high efficiency by injecting the gas in slugs at the beginning of each power stroke. The hydraulic piston is disposed to operate inside the as piston, and the two pistons,
Galloway, C. W.
core   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

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