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Articles 31 - 42 of 42
Full-Text Articles in Automotive Engineering
Restraint System Design And Evaluation For Military Specific Applications, Sebastian Karwaczynski
Restraint System Design And Evaluation For Military Specific Applications, Sebastian Karwaczynski
Dissertations, Master's Theses and Master's Reports
This research focuses on designing an optimal restraint system for usage in a military vehicle applications. The designed restraint system must accommodate a wide range of DHM’s and ATD’s with and without PPE such as: helmet, boots, and body armor. The evaluation of the restraint systems were conducted in a simulated vehicle environment, which was utilized to downselect the ideal restraint system for this program.
In December of 2011 the OCP TECD program was formulated to increase occupant protection. To do this, 3D computer models were created to accommodate the entire Soldier population in the Army. These models included the …
Design Of Real-Time Combustion Feedback System And Experimental Study Of An Rcci Engine For Control, Jayant Kumar Arora
Design Of Real-Time Combustion Feedback System And Experimental Study Of An Rcci Engine For Control, Jayant Kumar Arora
Dissertations, Master's Theses and Master's Reports
Premixed compression ignition (PCI) technologies offer high efficiency and low emissions but are usually confined by limited operation range as well as high pressure rise and heat release rate. In this work, a more recently developed PCI mode is explored where in-cylinder blending of two fuels with different auto-ignition characteristics (diesel and gasoline) is utilized to create reactivity stratification such that heat release rate and combustion timing can be controlled. This mode has been defined as Reactivity Controlled Compression Ignition (RCCI).
As part of this thesis, the main aim is to study various parameters that can be used to control …
3d Infrastructure Condition Assessment For Rail Highway Applications, Teng Wang
3d Infrastructure Condition Assessment For Rail Highway Applications, Teng Wang
Theses and Dissertations--Civil Engineering
Highway roughness is a concern for both the motoring public and highway authorities. Roughness may even increase the risk of crashes. Rail-highway grade crossings are particularly problematic. Roughness may be due to deterioration or simply due to the way the crossing was built to accommodate grade change, local utilities, or rail elevation. With over 216,000 crossings in the US, maintenance is a vast undertaking. While methods are available to quantify highway roughness, no method exists to quantitatively assess the condition of rail crossings. Conventional inspection relies on a labor-intensive process of qualitative judgment. A quantifiable, objective and extensible procedure for …
An Experimental Investigation Into The Effect Of Particulate Matter On Nox Reduction In A Scr Catalyst On A Dpf, Saksham Gupta
An Experimental Investigation Into The Effect Of Particulate Matter On Nox Reduction In A Scr Catalyst On A Dpf, Saksham Gupta
Dissertations, Master's Theses and Master's Reports
The study of NOx reduction across the SCRF® is presented in this report to understand the inlet and outlet NO, NO2, NH3 species from the SCRF®. The SCRF® is a prototype SCR catalyst on a Diesel Particulate Filter (DPF) that reduces NOx and PM at the downstream location. The SCRF® reduces the packaging volume of the aftertreatment components in order to reduce the cost, volume and weight of the aftertreatment system. A total of 12 experiments were performed on a Cummins ISB 2013 280 hp engine and the aftertreatment system. The …
A Biomimetic, Energy-Harvesting, Obstacle-Avoiding, Path-Planning Algorithm For Uavs, Snorri Gudmundsson
A Biomimetic, Energy-Harvesting, Obstacle-Avoiding, Path-Planning Algorithm For Uavs, Snorri Gudmundsson
Doctoral Dissertations and Master's Theses
This dissertation presents two new approaches to energy harvesting for Unmanned Aerial Vehicles (UAV). One method is based on the Potential Flow Method (PFM); the other method seeds a wind-field map based on updraft peak analysis and then applies a variant of the Bellman-Ford algorithm to find the minimum-cost path. Both methods are enhanced by taking into account the performance characteristics of the aircraft using advanced performance theory. The combined approach yields five possible trajectories from which the one with the minimum energy cost is selected. The dissertation concludes by using the developed theory and modeling tools to simulate the …
Design, Fabrication And Analysis Of An Auxiliary Power Unit On A Heavy-Duty Truck To Power The Hvac Systems Of The Truck During Driver Off-Duty Conditions, Rohan Milind Kalurkar
Design, Fabrication And Analysis Of An Auxiliary Power Unit On A Heavy-Duty Truck To Power The Hvac Systems Of The Truck During Driver Off-Duty Conditions, Rohan Milind Kalurkar
Dissertations, Master's Theses and Master's Reports
Currently, one of the biggest challenges the world is facing is energy insufficiency. One of the contributors to energy consumption in United States are the idling semi-trailer trucks. In May 2001, President Bush issued The National Energy Policy in which he directed The Environmental Protection Agency (EPA) and Department of Transportation (DOT) to reduce the idling of trucks. This was done in order to reduce energy consumption by lowering fuel consumption and emissions coming out of semi-trailer trucks in the United States of America.
This project deals with the efforts of installing an Auxiliary Power Unit (APU) as a device …
Design And Fabrication Of A Suspension Rig, Abhijith Geo Philip
Design And Fabrication Of A Suspension Rig, Abhijith Geo Philip
Dissertations, Master's Theses and Master's Reports
Owing to its placement under the vehicle body, the suspension system is one of the parts of the vehicle which are difficult to comprehend completely, albeit being a vital component. For demonstrating the working of a suspension system, a physical model in which one can actually see the movement of all the components would be a great tool. A Mustang II independent front suspension system was purchased from Heidts Engineering Performance and a rig that can emulate some of the real world situations of vehicle suspension action was designed and fabricated. All the components are accessible and conditions like bounce, …
Experimental Study, Modelling And Controller Design For An Rcci Engine, Naga Nithin Teja Kondipati
Experimental Study, Modelling And Controller Design For An Rcci Engine, Naga Nithin Teja Kondipati
Dissertations, Master's Theses and Master's Reports
Low Temperature Combustion (LTC) has got widespread attention over the past two decades in the field of Automotive Research and Development due to it’s potential for achieving higher efficiencies with near-zero engine out NOx and soot emissions. Among all the LTC strategies Reactivity controlled compression ignition (RCCI) has shown the most promising results due to it’s precise control over combustion phasing and heat release rate. However, RCCI being a dual-fuel stratified combustion, precise control over the injection timing of direct injected fuel and in-cylinder fuel reactivity of the mixture needs to be controlled effectively in order to achieve gross indicated …
Competition Vehicle Based Intake Manifold Design, Joshua N. Matiash
Competition Vehicle Based Intake Manifold Design, Joshua N. Matiash
Dissertations, Master's Theses and Master's Reports
A competitive vehicle in Formula SAE needs to be easy for unskilled drivers to extract the maximum performance from. This requires a predictable and manageable torque curve. This report details the development of an intake manifold for a Formula SAE car from a vehicle-based approach to produce this manageable and predictable torque. The current vehicle was instrumented and driven on a representative track to determine the usage of available torque. Based on these findings an ideal torque curve was chosen that favored increased torque at upper engine speed ranges and decreased torque at lower engine speed ranges. A 1-D engine …
Compact Electric Personal Transport, James M. Maganja Mr.
Compact Electric Personal Transport, James M. Maganja Mr.
Williams Honors College, Honors Research Projects
The goal of this project was to design a compact and powerful personal transport vehicle around the high performance electric power systems associated with large radio controlled aircraft. The relatively powerful and lightweight components associated with these models are the perfect candidate for this application. The selected electric motor for instance is rated at 3kW of continuous power with a mass of just 384 grams.
There were engineering challenges that arose from using these types of components for a vehicle application. At its designed operating voltage the motor will be spinning at around 25,000 rpm. This will require a novel …
2016 Fsae Electric Vehicle Pedal Assembly Design, Evan Beery
2016 Fsae Electric Vehicle Pedal Assembly Design, Evan Beery
Williams Honors College, Honors Research Projects
The purpose of this project was to design and produce the pedal box assembly for the electric formula SAE racecar team’s 2016 racecar. To complete this project, a working 3D model and corresponding blueprints were created. Materials were selected, machined, and assembled. FEA software was used to verify the design. The final step was manufacturing and assembling all the components together and placing them in the racecar. The precision machining was completed on campus at the University of Akron, and was considered a vital measurable of the project.
This assembly allows for the actuation of two aluminum pedals. One pedal …
Optimization Of Formula Sae Electric Vehicle Frame With Finite Element Analysis, Alexander Prorok
Optimization Of Formula Sae Electric Vehicle Frame With Finite Element Analysis, Alexander Prorok
Williams Honors College, Honors Research Projects
Optimization of Formula SAE Electric Vehicle Frame with Finite Element Analysis