Results 21 to 30 of about 526,261 (194)

Macroscopic Parameters of Fuel Sprays Injected in an Optical Reciprocating Single-Cylinder Engine: An Approximation by Means of Visualization with Schlieren Technique

open access: yesSensors, 2023
This paper proposes a sensor system for an internal combustion engine based on a new vision-based algorithm supported by the Schlieren sensorization technique, which allows to acquire the macroscopic parameters of the fuel spray injected in a ...
Lis Corral-Gómez   +3 more
doaj   +1 more source

Rate of heat release characteristics of supercritical sprays of dieseline blend in constant volume combustion chamber

open access: yesResults in Engineering, 2020
In present experimental study, combustion characteristics of homogeneous supercritical (SC) fuel spray injection system are analyzed in cylindrical constant volume combustion chamber (CVCC) at experimental conditions similar to diesel engine-like ...
Sanaur Rehman, Shah Shahood Alam
doaj   +1 more source

Analyzing Combustion Efficiency According to Spray Characteristics of Gas-Centered Swirl-Coaxial Injector

open access: yesAerospace, 2023
The momentum flux ratio (MFR) significantly affects the mixing characteristics and combustion efficiency of propellants in rocket engine injectors. The spray characteristics of three gas-centered swirl-coaxial injectors used in a full-scale combustion ...
Seongphil Woo   +5 more
doaj   +1 more source

Spray Characteristics at Preheating Temperatur of Diesel-Biodiesel-Gasoline Fuel Blend

open access: yesJournal of Mechanical Engineering Science and Technology, 2021
Technological developments in diesel engines require improvements to the fuel injection system to meet the criteria for economical, high-power and efficient combustion and meet environmental regulatory standards.
Moch Miftahul Arifin   +3 more
doaj   +1 more source

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   +1 more source

Numerical investigation of the effect of spray angle on emission characteristics of a diesel engine fueled with natural gas and diesel

open access: yesEnergy Reports, 2021
The addition of natural gas (NG) with diesel fuel is an attempt to increase the combustion efficiency of the diesel engine and to reduce nitrogen-based emissions in this investigation.
Ramakrishna Balijepalli   +9 more
doaj   +1 more source

Challenges in charge preparation and combustion in homogeneous charge compression ignition engines with biodiesel: A review

open access: yesEnergy Reports, 2019
Homogeneous charge compression ignition (HCCI) engines have high efficiency and lower NOx-soot emissions than diesel and gasoline engines. However, these engines suffer from high HC, CO and unregulated emissions and combustion phasing control.
V.D. Chaudhari, D. Deshmukh
doaj   +1 more source

Role of Altitude in Influencing the Spray Combustion Characteristics of a Heavy-Duty Diesel Engine in a Constant Volume Combustion Chamber. Part I: Free Diesel Jet

open access: yesEnergies, 2023
Heavy-duty diesel engines operating in plateau regions experience deteriorated combustion. However, the lack of up-to-date information on the spray-combustion process limits the fundamental understanding of the role of altitude.
Chengguan Wang   +7 more
doaj   +1 more source

Effects of Injector Spray Angle on Performance of an Opposed-Piston Free-Piston Engine

open access: yesEnergies, 2020
A free-piston engine is a novel internal combustion engine which has the advantages of a variable compression ratio and multi-fuel adaptability. This paper focuses on numerical simulation for combustion process and spray angle optimization of an opposed ...
Qinglin Zhang   +3 more
doaj   +1 more source

The Possibility of Active Attitude Control for Fuel Spray

open access: yesEngineering, 2019
The internal combustion engine (ICE) is an attractive power source for automobiles, with its superior storability, transportability, and suppliability of liquid fuel with high energy density.
Masataka Arai
doaj   +1 more source

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