Results 31 to 40 of about 3,690,081 (295)

Theoretical Design and Analysis of the Waste Heat Recovery System of Turbine Exhaust Steam Using an Absorption Heat Pump for Heating Supply

open access: yesEnergies, 2020
In northern China, many thermal power plants use absorption heat pump to recover low-grade heat from turbine exhaust steam due to the irreplaceable advantages of the absorption heat pump in waste heat recovery.
Jinshi Wang   +5 more
doaj   +1 more source

A differential analysis of the power flow equations [PDF]

open access: yes, 2015
The AC power flow equations are fundamental in all aspects of power systems planning and operations. They are routinely solved using Newton-Raphson like methods.
Chertkov, Michael   +2 more
core   +2 more sources

Experimental Study on the Effects of Hydrogen Injection Strategy on the Combustion and Emissions of a Hydrogen/Gasoline Dual Fuel SI Engine under Lean Burn Condition

open access: yesApplied Sciences, 2022
Hydrogen addition can improve the performance and extend the lean burn limit of gasoline engines. Different hydrogen injection strategies lead to different types of hydrogen mixture distribution (HMD), which affects the engine performance. Therefore, the
Shiyi Pan   +4 more
doaj   +1 more source

Integrating power flow modelling with building simulation [PDF]

open access: yes, 2001
The inclusion of photovoltaic facades and other local sources of both heat and power within building designs has given rise to the concept of embedded generation: where some or all of the heat and power demands are produced close to the point of use ...
Clarke, J.A., Kelly, N.J.
core   +1 more source

Experimental and numerical investigation of two phase ejector performance with the water injected into the induced flow

open access: yesInternational Journal of Advanced Nuclear Reactor Design and Technology, 2020
When injectors are used in petroleum industries or sea water desalination system, it is a special case that the induced gas is accompanied by water, the ejector is in two-phase operation. In the present study, the ejector performance at two phase flow is
WeiXiong Chen   +5 more
doaj   +1 more source

Numerical prediction of spatio-temporal frosting patterns of curved surface considering varying working parameters

open access: yesEnergy Storage and Saving, 2023
Accurate numerical prediction of frosting patterns is essential for the efficient layout and timing defrosting of heat exchangers under frosting conditions.
Xue Liu   +4 more
doaj   +1 more source

Investigations on affinity law under gas–liquid conditions in multistage radial and mixed-flow multiphase pumps [PDF]

open access: yesInternational Journal of Fluid Engineering
Affinity laws have been widely used in pump design and simulation under high-temperature and corrosive conditions. By applying such laws, it is possible to shorten development cycles and reduce test costs.
Liang Chang   +5 more
doaj   +1 more source

PowerModels.jl: An Open-Source Framework for Exploring Power Flow Formulations

open access: yes, 2018
In recent years, the power system research community has seen an explosion of novel methods for formulating and solving power network optimization problems.
Bent, Russell   +4 more
core   +1 more source

Hydrogen Production by Supercritical Water Gasification of Biomass with Homogeneous and Heterogeneous Catalyst

open access: yesAdvances in Condensed Matter Physics, 2014
Biomass gasification in supercritical water is a clean and efficient way to convert biomass to hydrogen-rich gaseous products. Appropriate catalyst can lower the reaction temperature to guarantee the technological and economic feasibility.
Hui Jin   +4 more
doaj   +1 more source

Unified formulation of a family of iterative solvers for power systems analysis [PDF]

open access: yes, 2016
This paper illustrates the construction of a new class of iterative solvers for power flow calculations based on the method of Alternating Search Directions.
Borzacchiello, Domenico   +4 more
core   +2 more sources

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