Theoretical and experimental investigation of diesel engine with steam injection system on performance and emission parameters

Combustion noise analysis of partially premixed combustion concept using gasoline fuel in a 2-stroke engine

“…Then, the resonance signal may be identified by high-pass filtering of the pressure signal. The filter cut-off frequency is fixed by an empirical function which depends on the engine speed as defined in [57] f cut = 2.364 · n − 2.91 · 10 −4 · n 2 (7) As is usual in the field of signal treatment, E res is defined as the energy emitted from one Ohm resistive circuit considering the pressure as an electric signal…”

“…Some authors overcome this drawback by injecting water in steam phase. The steam injection method reduces NOx levels and increases the engine efficiency [5,6,7,8]. However, the water injection methods requiere very complex injection systems.…”

Determination of the optimum temperatures and mass ratios of steam injected into turbocharged internal combustion engines

“…Recently, steam injection is proposed in order to prevent this negative effect on the internal combustion engines and also this method improves performance and emissions. [32][33][34][35][36][37] In this study, apart from above studies, a thermo dynamical analysis is performed on turbocharged steam injection system to determine the optimum temperatures and mass ratios of the steam injected into turbocharged internal combustion engines.…”

Application of Taguchi Methods for the Optimization of Factors Affecting Engine Performance and Emission of Exhaust Gas Recirculation in Steam-injected Diesel Engines

“…The engine specifications and experimental set-up are shown in Table 1 and Figure 1, respectively [19,20]. In order to measure brake torque, the engine is coupled with a hydraulic type dynamometer of 50 kW absorbing capacity using an "S" type load cell with the precision of 0.1 N. MRU Spectra 1600 L type and Bilsa Mod gas analyzers were used so as to measure exhaust gases [19,20].…”