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Full-Text Articles in Mechanical Engineering
Sweet Spot Demonstration, Keval Amin, Beau Allen, Kieran Lenssen, Ricardo Del Olmo Parrado
Sweet Spot Demonstration, Keval Amin, Beau Allen, Kieran Lenssen, Ricardo Del Olmo Parrado
Mechanical Engineering Design Project Class
The purpose of this project was to create a sweet spot exhibit for the St. Louis Science Center to demonstrate the basic dynamic and vibrational theory behind the game of baseball. This demonstration focuses on the dynamics of batting and the effects that induced bat vibrations have on the energy transfer from the bat to the ball. Through this demonstration, the vibrational nodes within a baseball bat can be measured based on the ball’s contact with the ”sweet spot,” or the area on the barrel of the bat that induces the least amount of bat vibration. The project went through …
Asme 2020 Design Challenge, Anthony Acosta, Justine Alandy-Dy, Michael Lorberg, Nathan Vaska
Asme 2020 Design Challenge, Anthony Acosta, Justine Alandy-Dy, Michael Lorberg, Nathan Vaska
Mechanical Engineering Design Project Class
Our project was to build a machine that would fulfill the requirements for the ASME 2020 design challenge, which was called, ”Building to the Sky.” The rules of the challenge were to build a machine that would take ordinary 8.5” x 11” sheets of paper and stack them into a tower. To accomplish this task, we decided to make our paper tower out of accordion-shaped folds that would be placed on top of each other, alternating in 90 degree orientations. Our device is divided into various sub-components, each which manipulate the paper in various ways. We first have a mechanism …
Violin Prosthetic, Justin Kransdorf, Julia Rifkin, Hayden Reynolds, Payal Hukeri
Violin Prosthetic, Justin Kransdorf, Julia Rifkin, Hayden Reynolds, Payal Hukeri
Mechanical Engineering Design Project Class
Sam, an 11-year-old violin player was born without fingers or a thumb on his right hand. In order to learn the basics of violin, he currently uses a custom made prosthetic that allows him to hold a violin bow. However, his current prosthetic does not allow for the bow angle to change relative to his wrist, and thus, he cannot perform many techniques that are important to him furthering his violin skills. Specifically, his prosthetic allows Sam to use only a small percentage of the bow. For this project, a prosthetic was designed for Sam with the goal being to …
Automated Whiteboard Eraser, Trent Houpt, Tyler Polasek, Kenny Huang, Rocky Luo
Automated Whiteboard Eraser, Trent Houpt, Tyler Polasek, Kenny Huang, Rocky Luo
Mechanical Engineering Design Project Class
The Automated Whiteboard Eraser is a product designed to erase whiteboards with the touch of a button. With this product students and teachers will be able to save time and energy as they can continue to work without having to stop and erase. From our research others have attempted to construct similar products. We intend to improve these thoughts and designs in order to build a better and more efficient product.
Board Erasing Device, Mark Fernandez, Christopher Sheffels, Joshua Miller
Board Erasing Device, Mark Fernandez, Christopher Sheffels, Joshua Miller
Mechanical Engineering Design Project Class
The Board Erasing Device is a portable automatic device designed to streamline a university lecturer’s board writing process by automatically erasing whiteboards while they are writing notes on adjacent boards. Our goal during this project was to design, build, and test a portable, automatic, and aesthetically pleasing device compatible with most standard whiteboards on Washington University in St. Louis’ Danforth campus. To that end, with a budget of $400, we created a prototype device to accomplish just that. Our prototype includes a felt eraser, pressed into the whiteboard via magnets. The eraser piece spans all eight feet of width on …
3d Chocolate Printer Dropper, Jessica Jimenez, Jacqueline Pielli, Shuhan Zhang
3d Chocolate Printer Dropper, Jessica Jimenez, Jacqueline Pielli, Shuhan Zhang
Mechanical Engineering Design Project Class
The Mechanical Engineering Department at Washington University in St. Louis is working to stimulate interest in the fields of fluid dynamics and thermal sciences, as students are not typically exposed to these topics within the first two years of school. Dr. Okamoto, Jeff Krampf, and Dr. Weisensee of the Mechanical Engineering Department would like to remedy this situation by developing a laboratory experiment for first year students that utilizes a 3D chocolate printer to teach thermal-fluid concepts in a fun and engaging manner. The goal of this project is to build a chocolate droplet dispensing system, which is a part …
Diver Propulsion Wearable, Joseph Lucca Paletta, Andrew Kessler, Andrew Beukelman, Nico Topulos
Diver Propulsion Wearable, Joseph Lucca Paletta, Andrew Kessler, Andrew Beukelman, Nico Topulos
Mechanical Engineering Design Project Class
This project was proposed by Jin Hwan (Josh) An, a current undergraduate student in the Olin Business School at Washington University in St Louis. Given his interest in diving and his experience with current diver propulsion vehicles, Josh has challenged us to design a hands-free diver propulsion wearable (DPW). While Josh has left the project rather open-ended for the engineers, the main challenge is to create a design that can propel the diver using a hands-free control system. Having a hands-free controller will allow the user to engage in other tasks while gliding underwater. Ideally, this design would be useful …
Mems 411: Improved Greens Harvester, Matthew Celentano, Nicholas Watts, Sam Friedrich, Ava Mennin
Mems 411: Improved Greens Harvester, Matthew Celentano, Nicholas Watts, Sam Friedrich, Ava Mennin
Mechanical Engineering Design Project Class
Earth Dance Organic Farm School has asked that we design an improved version of their “Quick-Cut” greens harvester. The redesign should be capable of cutting a 36 inch wide bed of greens, should roll on wheels, and should be able to operate for long periods without interruption. This report details the concept generation and selection phases of the project, wherein we elect to design the system with an aluminum extrusion frame, four- wheeled custom band saw system, and rope sweepers, among other key features. In the concept embodiment phase, we explore the features of our initial prototype and areas for …
Pick And Place Bot: Asme Design Challenge, Steven Mumford, Josh Clark, Stephan Meyer
Pick And Place Bot: Asme Design Challenge, Steven Mumford, Josh Clark, Stephan Meyer
Mechanical Engineering Design Project Class
Design a bot that meets the standards of and is able to compete in the 2019 ASME Design Challenge.
Group B: Polar Coordinate Whiteboard Writer, Dylan Wu, Zexin Han, Keon Kim, Jiahao Wei
Group B: Polar Coordinate Whiteboard Writer, Dylan Wu, Zexin Han, Keon Kim, Jiahao Wei
Mechanical Engineering Design Project Class
From the initial funding of $250.00, our group attempted to make a polar coordinate whiteboard writer that was to be used in educational settings. Market for polar coordinate whiteboard writer is a blue ocean. Having a successful prototype will allow us to find a niche place in a market that shares border with the global education market.
Group V: Color Mixer, Kate Baskin, Mark Livshin, Andy Johnston
Group V: Color Mixer, Kate Baskin, Mark Livshin, Andy Johnston
Mechanical Engineering Design Project Class
This project was an exercise in product design, modeling, and prototyping. The result of this process was a partially functional prototype which successfully met two of the three design goals.
Group L: T-Shirt2 Cutter, Sophie Anderson, Avery German, Taylor Tuleja
Group L: T-Shirt2 Cutter, Sophie Anderson, Avery German, Taylor Tuleja
Mechanical Engineering Design Project Class
The T-shirt square cutter was commissioned by fashion design professor at Washington University, Dr. Mary RuppertStroescu who has developed a method of turning T-shirts that might have otherwise been thrown away into a unique, woven fabric. Dr. Ruppert-Stroescu cuts T-shirts into either strips or squares that she then quilts together, she uses this fabric to make one-of-a-kind clothes, bags, and rugs. Though she is proficient at weaving the fabric scraps together, cutting the Tshirts was a very time-consuming process – it takes her at least 20 minutes to cut a T-shirt into squares by hand. Our team was tasked with …
Autonomous Ground Photographer, Sylvia Tan, Nicholas C. Smith, Kate Padilla, Elise Ashley
Autonomous Ground Photographer, Sylvia Tan, Nicholas C. Smith, Kate Padilla, Elise Ashley
Mechanical Engineering Design Project Class
Dr. Penczykowski, a biology professor at Washington University in St. Louis, researches the effects of powdery mildew on three plant species. Her lab currently collects data in the field by manually counting the number of infected plants with the assistance of a simple PVC grid. Therefore, this projects aims to automate this process by capturing images that can then be processed in her lab after.
Group T Asme Design Challenge Project, Thomas Orgielewicz, Hayden Von Hoffmann, Michael Chirumbole
Group T Asme Design Challenge Project, Thomas Orgielewicz, Hayden Von Hoffmann, Michael Chirumbole
Mechanical Engineering Design Project Class
Design and build a RC Robot eligible to compete in the 2019 ASME Challenge, the "Pick-and-Place Race"
Tendon Rehabilitator, David Ricks, Lucas Parisot, Benjamin Wang
Tendon Rehabilitator, David Ricks, Lucas Parisot, Benjamin Wang
Mechanical Engineering Design Project Class
Our goal was to provide a cheap, portable and easy way for those suffering from medial epicondylitis tendinosis, or golfers elbow, to perform rehabbing exercises.
Group O - Lacrosse Ball Passer, Mackenzie Gordon, Jake Mennemeier, Conor Pellas
Group O - Lacrosse Ball Passer, Mackenzie Gordon, Jake Mennemeier, Conor Pellas
Mechanical Engineering Design Project Class
The goal of our design group was to make a lacrosse ball passer that could be used in a team practice or individual setting. Wayne Jaekle, WashU’s head lacrosse coach defined major customer needs as producing a consistent pass speed and angle, an interactive interface allowing an automatic time interval between passes, and being easy to load. These needs lead to our main design goals: 1. A ball capacity of 30, 2. A minimum pass speed of 30 mph, and 3. A 5 second time interval between passes. Mock ups and brainstorming exercises led to our team’s selection of a …
Asme Design Competition - Group H, Melanie Self, Ben Tattersfield, Joshua Emde
Asme Design Competition - Group H, Melanie Self, Ben Tattersfield, Joshua Emde
Mechanical Engineering Design Project Class
This document presents our solution for the ASME pick-and-place design competition. In brief, the challenge is to collect balls from an arena and return them to a ‘home base’. The specifics of the competition are elaborated on within. The document walks through the design decisions that went into the prototype; the Goalkeeper concept that we ultimately landed on best solved the problems presented by the challenge statement as interpreted by our customer, Dr. James Jackson Potter. Several of the design choices were made by applying mathematical relationships, with the math and results included to illuminate our methods. We include a …
Anisotropic Tissue Maker, Jake Ireland, Jaryd Huffman, Sarah Mohrmann, Daniel Cano
Anisotropic Tissue Maker, Jake Ireland, Jaryd Huffman, Sarah Mohrmann, Daniel Cano
Mechanical Engineering Design Project Class
Traumatic brain injury (TBI) is a common injury that is not thoroughly understood. Data on brain mechanics and motion are not abundant during the time of impact. In order to accumulate more data and achieve a better understanding of how the injury occurs tissue mimics can be made.
T-Shirt Square Cutter, Austin Chawgo, Kendall Weishaar, Samir Lopez
T-Shirt Square Cutter, Austin Chawgo, Kendall Weishaar, Samir Lopez
Mechanical Engineering Design Project Class
Each year, Americans waste millions of pounds of textiles in the form of clothing that is thrown away. Professor Mary Ruppert-Stroescu from the Sam Fox School of Design seeks to combat this by reusing the old fabric from discarded clothes and creating new, fashionable clothing. To do this, her and her students cut up donated shirts into small squares, by hand, using scissors and fabric cutters and sew them together using a method developed by her.. This process is very time consuming and limits the commercial viability of this process. The T-shirt Cutter design, detailed below, has the potential to …
Residential Automatic Door Opener, Steven Downs, Ardian Pollo, Ethan Bredemeier
Residential Automatic Door Opener, Steven Downs, Ardian Pollo, Ethan Bredemeier
Mechanical Engineering Design Project Class
This project proposes an innovative design for an automatic door opener intended for external doors of residential homes. The intended customers are elderly and disabled people who may benefit from such a device while entering and exiting their homes. The goal is to create an affordable product to compete with existing products that are relatively expensive to make such devices more accessible.
Universal Tube Fixture, Griffin Kivitz, Matthew Whitehill, Jason Hsu
Universal Tube Fixture, Griffin Kivitz, Matthew Whitehill, Jason Hsu
Mechanical Engineering Design Project Class
The goal of this design project was to create a device that can aid in the assembly of glue joints between concentric tubes. In many medical devices, whether they be laser probes, retractable injectors, or other devices with actuating parts, there are often concentric glue joints. The problem we are trying to solve is controlling where the 2 tubes are relative to one another when they are glued.
Lacrosse Ball Passing Machine, William Galik, Daniel Finer, Matt Jenkins
Lacrosse Ball Passing Machine, William Galik, Daniel Finer, Matt Jenkins
Mechanical Engineering Design Project Class
Design and build a lacrosse ball passing machine that utilizes an automated ball sorting mechanism to shoot balls up to 60 mph with 80 percent accuracy at a 1 square yard target.
Arliss Competition Canister Vehicle, Jessie Goldberg, Nicholas Cornejo, Tyler Smith, Rachel Kershner
Arliss Competition Canister Vehicle, Jessie Goldberg, Nicholas Cornejo, Tyler Smith, Rachel Kershner
Mechanical Engineering Design Project Class
For our project, we designed a canister vehicle that fits the design specifications of the ARLISS competition. For the ARLISS competition, the vehicles are loaded into a rocket, launched approximately 10,000 feet into the air, released, and then must autonomously navigate to a predetermined target on the ground. Because of our time restraint, we are focused on designing a vehicle of the correct dimensions (a maximum mass of 1050g, a maximum diameter of 146mm, and a maximum height of 240mm) that can simply travel on the ground over multiple types of terrain. Additionally, we designed a parachute release mechanism so …
Bi-Axial Tissue Stretching Machine: Mems 411 Senior Design Project, Wending Zhu, Martin Valkov, Jordan Patterson
Bi-Axial Tissue Stretching Machine: Mems 411 Senior Design Project, Wending Zhu, Martin Valkov, Jordan Patterson
Mechanical Engineering Design Project Class
This report contains information on the development of a device to strain polyvinyl alcohol hydrogel samples. The device was made with the purpose of gathering data on the creation of anisotropy in brain tissue-like materials, such as PVA, by repeatedly subjecting materials to strain in low temperatures.
Asme Soccer Robot- Group V, Gonzalo Berluzconi, Lyndon Zhao, Chan-Hwi Cho
Asme Soccer Robot- Group V, Gonzalo Berluzconi, Lyndon Zhao, Chan-Hwi Cho
Mechanical Engineering Design Project Class
The ASME design challenge, featuring a soccer playing robot theme, was attempted and successfully completed. A robot was built that could move in all directions for translational motion, while a Foosball inspired kicking function completed the design.
Tissue Stretcher Research Device, Taylor Vitunic, Zhang Liu, Edward Tiemann
Tissue Stretcher Research Device, Taylor Vitunic, Zhang Liu, Edward Tiemann
Mechanical Engineering Design Project Class
This senior design project resulted in a prototype of a tissue stretcher for a particular need in a lab at WashU. The prototype uses a stepper motor, micrometer, force transducer, linear slide, and manufactured couplings to precisely record the stress strain response of a bio-tissue through different protocols. This is a holistic report encompassing all parts of the design process from the initial goal to design creation and evaluation to assembly.
3d Printed Below-The-Knee Prosthetic Leg, Sam Jamison, Katelin Fournier, Isabelle Agostini
3d Printed Below-The-Knee Prosthetic Leg, Sam Jamison, Katelin Fournier, Isabelle Agostini
Mechanical Engineering Design Project Class
There are over 2 million amputees in the United States and more than 90 percent of amputations done today are for lower limbs. While there are highly advanced options on the market today, there are still several areas of improvement. For instance, there are not many options that are completely waterproof, and the more advanced ones are extremely expensive and heavy. Our project idea is to create a below-the-knee prosthetic leg that is water resistant, affordable, and promotes comfort. The leg will be designed to disperse the loads and stresses over the whole structure using 3D printing and supporting metal …
Light Activated Blinds Group K, Griffin Beriont, Kessashun Arthur, Madeline Stadler
Light Activated Blinds Group K, Griffin Beriont, Kessashun Arthur, Madeline Stadler
Mechanical Engineering Design Project Class
The purpose of this project is to develop an attachable device to a pair of rolling blinds that will automatically open them when sunlight is detected and close them when the sun goes down. This device will promote energy efficiency during warmer and colder months. And be a commodity for those who tend to forget to open close blinds.
Threading Mechanism For A Home Warp Knitting Machine, Daniel Martin, Samuel Fortmann, Andrew O'Sullivan
Threading Mechanism For A Home Warp Knitting Machine, Daniel Martin, Samuel Fortmann, Andrew O'Sullivan
Mechanical Engineering Design Project Class
A home warp knitting machine has a huge disadvantage compared to weft knitting in that it is very difficult to start up. Though it can provide better quality garments, each needle requires a thread to be individually loaded. If this problem could be mechanically solved, a home warp knitting machine would be feasible. Our machine should be able to spool out the appropriate amount of thread onto smaller spools which can then be loaded into the various needles. However it is able to do this, it should not take up more space than reasonably allocated by thread volume itself, and …
Group G: Drink Mixer Ii, Yvette Anguiano, Tristram Wilson, Jacob Rother
Group G: Drink Mixer Ii, Yvette Anguiano, Tristram Wilson, Jacob Rother
Mechanical Engineering Design Project Class
We, group G, want to address the needs of the restaurant industry by facilitating it with the products, alcoholic beverages, that often brings in the most income in a night for the business and for its bartenders. Mixing drinks takes specialized attention, energy, and time and can be a stressful task for bartenders to perform when a restaurant is packed with customers. Waits become longer and drink orders back up until the restaurant empties again. Our group strives to create a product that will ensure each customer is served with fast and efficient service, while still providing the special attention …