Experimental investigation of four stroke single cylinder SI engine by modified intake manifold by using computational fluid dynamics

2019 ◽  
pp. 1-8
Author(s):  
K. Raja ◽  
Amala Justus Selvam
Keyword(s):  
Fluid Dynamics ◽  
Computational Fluid Dynamics ◽  
Experimental Investigation ◽  
Intake Manifold ◽  
Si Engine ◽  
Single Cylinder

scholarly journals THE COMBUSTION ENGINE INTAKE MANIFOLD CFD MODELING DEPENDING ON THE AIRBOX CONFIGURATION

2021 ◽  
Vol 2021 (6) ◽  
pp. 5421-5425
Author(s):  
MICHAL RICHTAR ◽  
◽  
PETRA MUCKOVA ◽  
JAN FAMFULIK ◽  
JAKUB SMIRAUS ◽  
...  
Keyword(s):  
Fluid Dynamics ◽  
Computational Fluid Dynamics ◽  
Combustion Chamber ◽  
Internal Combustion Engines ◽  
Combustion Engine ◽  
Stationary Flow ◽  
Cfd Modeling ◽  
Intake Manifold ◽  
Combustion Engines ◽  
Computational Fluid Dynamics Cfd

The aim of the article is to present the possibilities of application of computational fluid dynamics (CFD) to modelling of air flow in combustion engine intake manifold depending on airbox configuration. The non-stationary flow occurs in internal combustion engines. This is a specific type of flow characterized by the fact that the variables depend not only on the position but also on the time. The intake manifold dimension and geometry strongly effects intake air amount. The basic target goal is to investigate how the intake trumpet position in the airbox impacts the filling of the combustion chamber. Furthermore, the effect of different distances between the trumpet neck and the airbox wall in this paper will be compared.

A Numerical and Experimental Investigation of Low-conductivity Unglazed, Transpired Solar Air Heaters

2005 ◽  
Vol 127 (1) ◽  
pp. 153-155 ◽  
Author(s):  
Keith Gawlik ◽  
Craig Christensen ◽  
Charles Kutscher
Keyword(s):  
Fluid Dynamics ◽  
Computational Fluid Dynamics ◽  
Experimental Investigation ◽  
Experimental Work ◽  
Experimental Results ◽  
Flow Conditions ◽  
Numerical Work ◽  
Plate Geometry ◽  
Modeling Flow ◽  
Good Agreement

The performance of low-conductivity unglazed, transpired solar collectors was determined numerically and experimentally. The numerical work consisted of modeling flow conditions, plate geometries, and plate conductivities with modified commercial computational fluid dynamics software, and the experimental work compared the performance of two plate geometries made with high and low conductivity materials under a variety of flow conditions. Good agreement was found between the numerical and experimental results. The results showed that for practical low-conductivity materials, performance differed little from the equivalent plate geometry in high-conductivity material.

scholarly journals ANALISIS INJEKSI BAHAN BAKAR PADA INTAKE MANIFOLD MESIN BENSIN 4 TAK BERBAHAN BAKAR BENSIN DENGAN SIMULASI PEMODELAN

2021 ◽  
Vol 1 (1) ◽  
pp. 63-78
Author(s):  
Rasyid Hadi Sudono
Keyword(s):  
Fluid Dynamics ◽  
Boundary Layer ◽  
Computational Fluid Dynamics ◽  
Intake Manifold ◽  
Ansys Fluent

Untuk menghasilkan suatu kerja yang optimal dari mesin bensin, maka diharapkan pencampuran bahan bakar dengan udara terjadi dengan sempurna sesuai dengan kebutuhan mesin yang salah satu cara optimalisasinya adalah menggunakan metode injeksi bahan bakar ke intake manifold. Adapun salah satu metode analisa proses injeksi adalah menggunakan metode Computational Fluid Dynamics yang dapat dilakukan dengan program ANSYS FLUENT. Penelitian dilakukan dengan memodelkan salah satu model injektor dengan persamaan matematis serta menjadikan kecepatan pada inlet bervariasi. Hasil simulasi menunjukkan indikasi munculnya titik injeksi fluida yang cenderung bergeser lebih cepat seiring bertambahnya kecepatan inlet, kemudian dapat dilihat pula pada daerah dinding memiliki kecepatan yang rendah dikarenakan efek boundary layer, kecepatan yang rendah ini mengindikasikan pencampuran bahan bakar dan udara yang buruk.

An experimental investigation of oblique entry pressure losses in automotive catalytic converters

2009 ◽  
Vol 223 (11) ◽  
pp. 2561-2569 ◽  
Author(s):  
S S Quadri ◽  
S F Benjamin ◽  
C A Roberts
Keyword(s):  
Fluid Dynamics ◽  
Experimental Data ◽  
Computational Fluid Dynamics ◽  
Experimental Investigation ◽  
Reynolds Number ◽  
Flow Distribution ◽  
Angle Of Incidence ◽  
Pressure Losses ◽  
Entry Pressure ◽  
Automotive Catalytic Converters

This study investigates oblique entry pressure loss in automotive catalyst monoliths. Experiments have been performed on a specially designed flow rig using different lengths of monolith (17—100 mm) over a range of Reynolds number and angles of incidence (0–75°). Losses were found to be a function of Reynolds number and angle of incidence and a general correlation has been derived. Computational fluid dynamics predictions of the flow distribution across axisymmetric catalyst assemblies have been performed. Incorporating the oblique entry loss provided much better agreement with experimental data with the assumption that such losses were constant above an angle of incidence of 81°.

VIV Prediction of a Truss Spar Pull-Tube Array Using CFD

2011 ◽  
Author(s):  
Yiannis Constantinides ◽  
Weiwei Yu ◽  
Samuel Holmes
Keyword(s):  
Fluid Dynamics ◽  
Computational Fluid Dynamics ◽  
Structural Model ◽  
Full Scale ◽  
Complex Flows ◽  
Single Cylinder ◽  
Structure Interaction ◽  
Cylinder Arrays ◽  
Truss Spar ◽  
Computational Fluid Dynamics Cfd

Complex flows through cylinder arrays, such as the case of pull-tubes located in the truss section of a truss spar, are very difficult to describe and analyze. It is especially difficult to predict and correct Vortex Induced Vibration (VIV) response using traditional tools that were developed to analyze single cylinder rather than arrays of cylinders. Computational Fluid Dynamics (CFD) offers the designer the ability to properly analyze these complex problems and increase the reliability of his design. In this study, a full scale truss spar with pull-tubes is modeled using CFD coupled with an FEA structural model of the pull-tubes for a fluid-structure interaction (FSI) computation. The VIV response of the pull-tubes is predicted and analyzed for different current headings and speeds.

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