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Experimental Study on the Unsteady Spray Combustion Process of a Liquid Oxygen/Methane Swirl Coaxial Injector. [PDF]

open access: yesACS Omega, 2021
The present study experimentally investigated the dynamic spray combustion process of a liquid-centered swirl coaxial injector using liquid oxygen/methane in an optically accessible liquid rocket engine. Data were obtained at combustor pressures from 0.4
Cao P, Bai X, Li Q, Cheng P, Li Z.
europepmc   +2 more sources

Liquid ammonia spray combustion in two-stage micro gas turbine combustors at 0.25 MPa; Relevance of combustion enhancement to flame stability and NOx control

open access: yesApplications in Energy and Combustion Science, 2021
The development of liquid ammonia spray combustion technology is expected to reduce the cost and size of gas turbines otherwise fueled with gaseous ammonia. However, successful studies on this topic are scarce due to the difficulty in flame stabilization.
Ekenechukwu C. Okafor   +9 more
doaj   +2 more sources

Spray characteristics of biofuels for advance combustion engines

open access: yesCleaner Engineering and Technology, 2021
This study investigates spray characteristics, flashing and non-flashing, of unsaturated neem biodiesel (BD), biodiesel-ethanol (BDE50) blend, and diesel for application in advanced combustion engines. Fuel properties, injection pressure, nozzle geometry,
V.D. Chaudhari   +2 more
doaj   +2 more sources

Economic, Environmental and Energetic Analysis of a Distributed Generation System Composed by Waste Gasification and Photovoltaic Panels

open access: yesEnergies, 2021
Fossil fuel dependency in developed countries is worrisome due to the lack of energy security that traditional energy generation provides. In order to prevent future energy problems and to maintain a sustainable society, some countries are starting to ...
Alvaro Quiles Garcia   +4 more
doaj   +1 more source

Combustion and spray breakup characteristics of biodiesel for cold start application

open access: yesCleaner Engineering and Technology, 2021
This study investigates the split injection spray characteristics of neem (unsaturated) biodiesel and diesel at cold (283 K) and hot (333 K) weather conditions.
V.D. Chaudhari   +3 more
doaj   +1 more source

Spray combustion characteristics of a gas–liquid pintle injector with variable swirl intensities

open access: yesThe Physics of Fluids, 2023
The present paper experimentally verified and computationally explained an improved design concept of the spray combustion of a gas–liquid pintle injector with variable swirl intensities.
Chengming He   +4 more
semanticscholar   +1 more source

A comprehensive review of waste heat recovery from a diesel engine using organic rankine cycle

open access: yesEnergy Reports, 2021
ORC has gained attraction in diesel engines due to its outstanding capability in improving thermal efficiency and fuel economy by recovering heat from low-temperature waste heat sources.
Varshil P., D. Deshmukh
doaj   +1 more source

Numerical Simulations of Spray Combustion in Jet Engines

open access: yesAerospace, 2022
The aviation sector is facing a massive change in terms of replacing the currently used fossil jet fuels (Jet A, JP5, etc.) with non-fossil jet fuels from sustainable feedstocks.
Arvid Åkerblom   +2 more
semanticscholar   +1 more source

Experimental study of combustion process of NH3 stratified spray using imaging methods for NH3 fueled large two-stroke marine engine

open access: yesApplications in Energy and Combustion Science, 2023
To achieve greenhouse gas emission reductions from the maritime sector, there is a growing demand for the development of NH3 fueled marine engines. Since NH3 is difficult to ignite and burn, it is valid to assist the NH3 combustion by a supporting fuel ...
Yasuhisa Ichikawa   +4 more
doaj   +1 more source

Numerical simulation of n-dodecane spray combustion based on OpenFOAM

open access: yesXibei Gongye Daxue Xuebao, 2021
For the purpose of providing the scientific insights to combustion characteristics of spray jet, numerical calculations of reacting and non-reacting spray cases are performed for ECN (engine combustion network) Spray A (n-dodecane spray combustion) which

doaj   +1 more source

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