Design and Analysis of De-Lavel Restrictor with Throttle Body for Formula Vehicle (original) (raw)
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Research and optimization of intake restrictor for Formula SAE car engine
This research paper aims to optimize a venturi type restrictor which is to be fitted in the intake manifold of a Formula SAE car engine. The main purpose of 20mm restrictor in intake manifold is to restrict mass flow passing to the engine thus reducing its maximum power. Objectives of this research is to optimize a venturi type design to allow maximum possible mass flow rate to the engine from 20 mm restrictor buy reducing the difference in pressure across venturi at all speeds. Analytical calculations are done based on standard results to get maximum mass flow rate and CFD tool is used to calculate minimum pressure drop across the restrictor buy varying converging and diverging angles of venturi. It can be observed from CFD results that for converging and diverging angle of 12 degrees and 6 degrees respectively minimum pressure drop can be achieved.
Design Optimization for Air Intake System of Formula Student Race Car
2018
Air intake system plays main role in obtaining excellent quality of air to the engine. Restrictor is a major part of air intake system in FORMULA STUDENT competitions and is used to control the efficiency and maximum power. This research paper focuses on optimization of the restrictor that is used to pass the air flow through 20mm diameter to limit the efficiency and maximum power. CFD was used to get the excellent mass flow rate by performing CFD at variable convergent-divergent angles. By examination of all the result in CFD, the convergent-divergent angles of 12 degree and 6 degree respectively were employed where minimum pressure drop can be achieved while getting the maximum efficiency at the same time.
Review on Design of Intake Manifold for Air Restricted Engine
2020
1, 2, 3B.E.Student, Automobile Engineering, PHCET RASAYANI, MAHARASHTRA, INDIA 4Asst.Professor, Automobile Engineering, PHCET RASAYANI, MAHARASHTRA, INDIA ---------------------------------------------------------------------***--------------------------------------------------------------------Abstract SUPRA SAE is the formula student racing event, organized by SAE India, where students from all over India participate in event and apply their engineering knowledge to make the best formula-style racing car. The primary function of the intake manifold is to draw the air from the atmosphere and distribute it evenly to each cylinder and enhance the volumetric efficiency and power output of the engine. In this paper, we have reviewed the design, calculation, material selection, manufacturing process and optimization of intake manifold and restrictor. According to the rule of the competition, a 20mm diameter restrictor should be placed at the start of the intake manifold and all the air s...
Influence of intake valve closure angle on IC engine indicated parameters
Journal of KONES, 2015
The paper presents results of modelling study of influence of an intake valve closure angle on IC engine indicated parameters. The modelled engine was Andoria S231, which was working on methane. At first, optimizations of the model were done by comparison of the indicated mean effective pressure for real engine and modelled engine. Next, modelling was done for early intake valve closure angle in comparison to original closure angle. The engine was simulated as a naturally aspirated one and for the cases such indicated; parameters as indicated efficiency, mean indicated pressure, fuel consumption were calculated. During the modelling ignition, timing and air-fuel ratio were fixed. For better comparison for two cases of early intake valve closure angle the engine was modelled as supercharged one where mean indicated pressure was fixed at the same level as for the naturally aspirated engine working with original valve timing and indicated parameters were calculated and compared with in...
Design & Analysis for Intake System of Formula SAE Car
Team MH-08 Racing, RMCET at Mumbai University performed the study ofintake restrictor design to improve engine performance and increase team's competitiveness at Formula SAE competitions. Objective of this project was to optimize the venture type of restrictor included in the intake system as imposed in the FSAE rule. Various intake designs were studied like top/centre feed intake, side entry intake, and conical spline intake designs. The fluid flow through the intake was analyzed using CFD flow modelling software. The CFD results observed the converging and diverging angles of 12 degree and 6 degree respectively achieving minimum pressure drop.
REVIEW PAPER ON DESIGN AND OPTIMIZATION OF INTAKE MANIFOLD FOR FORMULA STUDENT VEHICLE
Journal ijetrm , 2024
Traditionally, the design of Formula Vehicle air intake systems has relied on iterative trial-and-error methods. This study introduces a pioneering approach to establish a scientific and engineering foundation for this process. By deconstructing the intake system into its constituent components and exploring the pertinent scientific and engineering principles governing each component's design, this study aims to revolutionize intake system optimization. Engine data, encompassing details such as cam profile, intake valves, and cylinder specifications, serves as the cornerstone for creating a comprehensive engine simulation model. This model, meticulously crafted, is then employed to sequentially analyze each component of the intake system. Through a meticulous validation process against simulations of the entire engine system, the airflow behavior of individual components is scrutinized. Physical testing, conducted using a flow bench, is employed to corroborate the simulation results, ensuring the reliability and accuracy of the proposed design solutions. The document proposes a specific geometric design for a restrictor, meticulously crafted to maximize airflow while minimizing pressure drop, thus enhancing the overall performance of the Formula Vehicle engine. In compliance with Formula SAE competition regulations, a 20mm restrictor is mandated in the intake manifold, serving as the focal point for directing all airflow to the engine. Regardless of whether the engine is single or multi-cylinder, this restrictor poses a challenge, as it diminishes the engine's intake capacity, thereby significantly impacting airflow and, consequently, the engine's power output. Recognizing the critical role of a well-designed intake manifold in optimizing the performance of internal combustion engines (IC Engines), this document meticulously focuses on the 3D simulation of a single-cylinder KTM 390 Duke Engine. Employing both steady and unsteady analyses through ANSYS FLUENT software, this study aims to unlock novel insights into intake system optimization.
IRJET- REVIEW ON DESIGN OF INTAKE MANIFOLD FOR AIR RESTRICTED ENGINE
IRJET, 2020
SUPRA SAE is the formula student racing event, organized by SAE India, where students from all over India participate in event and apply their engineering knowledge to make the best formula-style racing car. The primary function of the intake manifold is to draw the air from the atmosphere and distribute it evenly to each cylinder and enhance the volumetric efficiency and power output of the engine. In this paper, we have reviewed the design, calculation, material selection, manufacturing process and optimization of intake manifold and restrictor. According to the rule of the competition, a 20mm diameter restrictor should be placed at the start of the intake manifold and all the air should pass through it. As restrictor restricts the mass flow rate going to the engine which results in reducing the volumetric efficiency, torque and power output of the engine, causing reduction in the overall performance of the engine. So, it becomes a challenging task for a student to design the intake manifold with an optimized restrictor which can allow maximum air to flow through it with minimum pressure losses and improved volumetric efficiency, torque, and power output. The overall design of intake manifold & restrictor is done using the solid works. The description of simulation of the intake manifold and restrictor is done using Ricardo software, WAVE for 1D simulation and VECTIS for 3D simulation and CFD using Ansys is also reviewed in this paper for the selection of better geometry of intake manifold.
DESIGN OPTIMIZATION OF AN IN-CYLINDER ENGINE INTAKE PORT
2009
Development of any internal combustion engine is driven primarily by fuel efficiency and emission requirements. This requires refinement of the incylinder flow, mixture formation and combustion processes. Design optimization of the intake/exhaust port, valves and piston bowl is essential to realize the above mentioned requirements. The use of Computational Fluid Dynamics (CFD) along with optimization tools can help shorten the design optimization cycle time. Traditional approach of experiments using flow bench testing is very costly as well as time consuming. Moreover CFD allows insight into the minute flow details which otherwise are not capture using flow bench tests.
TJPRC, 2014
The present work deals with the study of the flow within the intake port in both steady and unsteady states and analyze the results to evaluate and improve the ability of the intake port to convey air identically to all cylinders with the least possible pressure losses. Also the effect of engine speed on the volumetric efficiency has been analyzed by 2D CFD model at different engine speeds. Optimizing airflow performance during intake port process is the main purpose for this project. Here we are going to Analyze in CFD simulation and experimental using academic engine flow model. This analysis could be used to increase efficiency of volumetric flow rate and maximizing usage of air fuel in combustion process, which reduce emission to environment. Even though air flow have been optimized on its intake port, but still intake system could be improve by considering other parts of engine also such as intake manifold, Valve etc.. The present work is related to, two important common fluid flow patterns from computational fluid dynamics (CFD) simulations, namely, effect of steady state and unsteady state analysis and effect on air motion on turbulence inside the cylinder. The performance of the engine can be improved by efficient design of intake ports. In the process of optimizing the port flow for improving engine performance, Computational fluid dynamics (CFD) simulation plays a very important role by adding cost effectiveness.
Designing of non circular air intakes for subsonic gas-turbine engines
Aerospace Technic and Technology
The subject matter of the article is the process of subsonic air intake shaping for gas-turbine engines at the airplane preliminarily design stage. The goal is to develop a mathematical model for non-circular air intake shaping for gas-turbine engines on the base of V. I. Polikovskii method of subsonic air intake shaping for high-bypass ratio turbofan. The tasks to be solved are: to consider the possibility of non-circular shape of the external outline of the engine nacelle; to take into account the possibility of non-circular shape of the internal air intake duct (in the first approximation, the shape of internal air intake duct cross-section is defined in the form of a rectangular with possible four different radiuses in its corners); to consider the engine inlet spinner presence. The methods used are: analytical and digital mathematical methods, implemented in MathCAD and Microsoft Visual Studio systems. The following results were obtained: On the base of the proposed method, n...