AJAS · 2018
All Choked Up
Engineering (inferred)
All Choked Up: The Effect of the Convergent Section Half-Angle on the Thrust of a Cold Gas Rocket continues my investigation of cold gas rocket nozzles. Rockets and Nozzles and Thrusts, OH M…
Engineering science fair projects from 2018
Browse 70 real Engineering projects entered in 2018, with abstracts, awards and links to the original entries.
CSEF · 2018
Alternatives to Sand in Concrete
Applied Mechanics & Structures
Objectives/Goals The goal of this engineering model is to discover a reasonable alternative for sand in concrete. One of the central ingredients for engineering is sand, and it is becoming i…
CSEF · 2018
An Assessment of the Effectiveness of Human Hair Hygrometers
Applied Mechanics & Structures Honorable_mention Award
Objectives/Goals The objective of this study is to test the efficiency of hygrometers made out of human hair in determining humidity levels. Methods/Materials A digital hygrometer (used for…
CSEF · 2018
A Novel Method to Measure Surface Roughness by Using the Aerodynamic Magnus Effect
Applied Mechanics & Structures
Objectives/Goals Based on the results from my 2017 California State Science Fair project, I hypothesized that the aerodynamic Magnus Effect could be used to measure surface roughness, which…
CSEF · 2018
Are Perpetual Motion Machines Possible?
Applied Mechanics & Structures
Objectives/Goals The objective of my project is to determine if perpetual motion is possible by making a machine that will rotate on its own energy. If the right amount of water is placed in…
CSEF · 2018
Automaton Arm Prototyping
Applied Mechanics & Structures
Objectives/Goals Through the creation of each arm prototype, we aim to increase functionality to offer the best product we can. Whether to cater to individuals with disabilities, or just tho…
CSEF · 2018
Baby Alert
Applied Mechanics & Structures Honorable_mention Award
Objectives/Goals I am creating a bathtub drainer to help save babies from drowning in a bathtub when left unattended. I named it the Baby Alert because there is an alarm that is attached to…
CSEF · 2018
Birds, Planes, and Winglets
Applied Mechanics & Structures
Objectives/Goals Does adding winglets to the ends of wind turbine blades affect the wind turbine's performance compared to a wind turbine with blades that have no winglets? Methods/Materials…
CSEF · 2018
Can You Make a Hurricane Proof House?
Applied Mechanics & Structures
Objectives/Goals Each year, homes, lives and communities are destroyed by hurricanes around the world. In the US alone, billions of dollars worth of damage left the country devastated after…
CSEF · 2018
Comparing the Compression Strength of Reclaimed Wood Structures to New Wood Structures
Applied Mechanics & Structures
Objectives/Goals The objective of this study is comparing the compression strength of reclaimed wood structures to new wood structures. My goal is to prove that reclaimed wood structures wil…
CSEF · 2018
Comparing the Load Bearing Capacity of Howe Truss and Pratt Truss Bridge Designs
Applied Mechanics & Structures
Objectives/Goals The objective is to measure the different load bearing capacities of the Howe Truss and Pratt Truss bridge designs using models. Comparing the strength of both bridges with…
CSEF · 2018
Comparison of Two Different Propulsion Systems: Combustion vs. Magnetism
Applied Mechanics & Structures Honorable_mention Award
Objectives/Goals Can a magnetic-based propulsion system successfully propel a free-floating vehicle forward? If so, how does it's performance compare to jet propulsion systems? Methods/Mater…
CSEF · 2018
Compressive Strength in Concrete vs. Environmental Sustainability
Applied Mechanics & Structures First Award
Objectives/Goals My project was designed to figure out if there is potentially a more environmentally sustainable coarse aggregate alternative that will have a similar compressive strength t…
CSEF · 2018
Design and Mechanical Analysis of a Promising Hip Prosthesis Using Quaternions
Applied Mechanics & Structures Third Award
Objectives/Goals Conventional ball-and-socket hip prostheses suffer from challenges that include painful dislocation requiring surgical revision, material wear, and bio-contamination from we…
CSEF · 2018
Development of a Fully-Integrated Microfluidic System for Rapid Diagnosis of Infectious Diseases and Cancer
Applied Mechanics & Structures Second Award
Objectives/Goals RNA analysis requires multiple lab processes that are expensive, tedious, susceptible to cross-contamination, and reliant on skilled operating. The goal of this project is t…
CSEF · 2018
Disease Identification, with a Spin
Applied Mechanics & Structures
Objectives/Goals The objective of this build is to create a cheap, non-electric, hand-powered centrifuge for people in third-world countries to use to identify and prevent the spread of vari…
CSEF · 2018
Earthquakes vs. Skyscrapers
Applied Mechanics & Structures
Objectives/Goals In my experiment I am trying to figure out what style building is best for standing up to earthquakes. Will it be a building like todays skyscrapers, one built with shock ab…
AJAS · 2018
Effect of Empennages on Aircraft Drag, Lift, and Efficiency
Engineering (inferred)
The empennage, or tail, of an aircraft plays a vital role in aircraft structure and function. Four forces act upon each part of an aircraft: lift, drag, weight, and thrust, with lift and dra…
CSEF · 2018
Effect of Non-Tip Wing Structure on Performance of Aircrafts
Applied Mechanics & Structures
Objectives/Goals The objective of this study is to determine the efficiency of a closed-wing design in lieu of the modern wingtip design to eliminating drag caused by wingtip vortices. Metho…
CSEF · 2018
Effects of Base Isolators on Building Stability
Applied Mechanics & Structures Fourth Award
Objectives/Goals Because I live in southern California near the San Andreas Fault, earthquakes are a problem for my community. Due to this threat, I researched different technologies that im…
CSEF · 2018
Efficiency of Multi-Bladed Propellers
Applied Mechanics & Structures
Objectives/Goals In my experiment, I attempted to figure out how many blades on a propeller were most efficient. I examined 4 different types of propellers: a two bladed propeller, a three b…
CSEF · 2018
Experimenting on the Flexural Strength of Reinforced, Renewable, and Biodegradable Casein Plastic
Applied Mechanics & Structures
Objectives/Goals The aim of this experiment was to find out if hemp fibers or wood supports would most increase the flexural strength of casein plastic. Methods/Materials To make homemade sa…
CSEF · 2018
Exploration of Drone Models and Movements
Applied Mechanics & Structures
Objectives/Goals Does the expensive drones have better control and stability compared to the cheaper ones. This experiment tests four different drones at different price points ranging from…
CSEF · 2018
Eyedropper Properties that Affect Drop Size
Applied Mechanics & Structures Second Award
Objectives/Goals Commercial eyedrops are made twice as large as they need to be. This leads to a lot of medical waste. I wanted to understand the factors that determine drop size in order to…
CSEF · 2018
Fabricating Suspended Carbon Microfibers for 3D Carbon Microelectromechanical Systems Using Nearfield Electrospinning
Applied Mechanics & Structures Honorable_mention Award
Objectives/Goals Carbon Microelectromechanical Systems (C-MEMS) are used in microfluidic applications and are theorized to be a suitable low cost replacement for today's silicon based electr…
CSEF · 2018
Flight Analysis of a Winglet's Effect on Aircraft Performance Inside a Subsonic Wind Tunnel
Applied Mechanics & Structures
Objectives/Goals The goal was to measure lift (via weight) and drag (via Hooke's Law) on wings with varying cant angles in subsonic conditions with a 2-degree angle of attack. Methods/Materi…
CSEF · 2018
Flip It Around: How to Get the Best Succeeding Rate for Bottle Flips
Applied Mechanics & Structures
Objectives/Goals The purpose of our study is to compare the succeeding rate of a bottle flip in different angles and different water height, in this experiment, we can find out the best angl…
CSEF · 2018
Functional Orthotic Materials: Force Reduction during Impacts
Applied Mechanics & Structures
Objectives/Goals My problem was that twenty-five percent of teenage Americans, including myself, play competitive sports everyday while experiencing harmful impacts. The purpose of my experi…
CSEF · 2018
Glove-Mounted Bell: Wearable Device for Producing Audible Alert while Bicycling or Doing Other Activities
Applied Mechanics & Structures
Objectives/Goals To study if a glove-mounted audible alert device could make cycling safer. To determine if a glove-mounted device is easier to use than a traditional bike bell because it do…
CSEF · 2018
Graphene Oxide Advancement in Technology: Nanoparticle Application in Carbon Fiber Aircraft Design
Applied Mechanics & Structures
Objectives/Goals This project is to identify the ideal concentration of Graphene Oxide on carbon fiber and how variation of the graphene oxide concentration affects the tensile strength. I b…