An investigation of performance and emmisions of a diesel engine operated with natural gas using dual fueling method

Çelik, Can


An investigation of two-phase slug flow in inclined pipelines
Bağcı, Ali Suat (Informa UK Limited, 2004-06-01)
Two-phase slug flow in inclined pipelines can cause significant practical operating problems. When slugs flow in an inclined pipeline that contains sections of different inclinations, they undergo a change of length and slug flow characteristics as the slug moves from section to section. In addition, slugs can be generated at low elbows, dissipate at top elbows and shrink or grow in length as they travel along the pipe. A mathematical model and a computer program were developed to simulate these phenomena. ...
An investigation of the dynamics of coherent structures in a turbulent channel flow with a vertical sidewall obstruction
Köken, Mete (2009-08-01)
The physics of the flow around a vertical-wall obstruction attached to one of the sidewalls of a straight channel is numerically investigated using detached eddy simulation (DES) at a high channel Reynolds number, Re=5 x 10(5) (case HR). In particular, the study investigates the role played by the large-scale coherent structures in the sediment entrainment processes at the bed for conditions close to the initiation of scour (flat bed) in a loose-bed channel. Scale effects are investigated by comparing the r...
An Investigation of ductile fracture criteria for sheet metal forming /
Abbasnejad Dizaji, Shahram; Darendeliler, Haluk; Kaftanoğlu, Bilgin; Department of Mechanical Engineering (2014)
Deep drawing is a sheet metal forming process in which a sheet metal stock, commonly referred to as a blank, is drawn into a die by a punch. Forming limit diagram (FLD), a representation of the critical combination of the principal surface strains, is an important concept utilized for the evaluation of the formability of sheet metals. Most of the theoretical methods for determining FLDs are strain-path dependent and cannot exactly clarify the location of necking or fracture. Using stress-based forming limit...
An investigation of the applicability of total productive maintenance techniques to a hot strip mill of steel plants
Alkan, Feridun; Esin, Alp; Department of Mechanical Engineering (1995)
An Investigation of the Applicability of the In-situ Thermal Recovery Technique to the Beypazari Oil Shale
Kök, Mustafa Verşan (Informa UK Limited, 2011-01-01)
In this research, a 3-D reservoir model for steam recovery was used to study Beypazari oil shale. In addition, the reaction kinetics parameters of Beypazari oil shale were determined by using the Weijdema's reaction kinetics approach in order to evaluate the applicability of these thermal methods. In the analysis of reaction kinetics experiments, two different temperature regions were observed. In the time versus temperature graph, linearly increasing the temperature zone was considered to be the fuel depos...
Citation Formats
C. Çelik, “An investigation of performance and emmisions of a diesel engine operated with natural gas using dual fueling method,” Middle East Technical University, 1994.