MAE331 West Virginia Underwater Bullets Issue in Fluid Mechanics Paper

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Engineering

MAE331

West Virginia University

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This will be on an 8.5x11 page, single space, Times New Roman, 12 pt, 1” margin. You likely will want to include a graph, photo or image in your document (or several). You have a 3- page limit as the MAX which also includes any references. I recommend submitting as a pdf, but make sure to check the pdf file before submission. Make sure to list ALL references used to develop this summary. Note I will be using the “Turn-It-In” software for submission.

You will develop a 2-3 page overview of a contemporary issue in fluid mechanics. This could focus on a current research topic in fluids or a more applied topic, but either way, it must be a contemporary issue (work performed and/or published within the last 5 years). Several examples would include: fluid mechanics in a microgravity environment, the skirts that we are now seeing on many semi’s for drag reduction, person that broke sound barrier while skydiving, bullets that are designed to be shot underwater, etc. Look for any current research topic in fluid mechanics or a topic that industry is pursing in the area of fluids (remember that fluids includes both gases and liquids). Traditional Approach To find a topic of interest and that fits the project criteria, you would look at journal publications, conference proceedings, science articles, research web sites, etc. (could also be magazine article as long as it is technical in nature) to find a contemporary topic in fluid mechanics. Remember this can be basic research or more applied work. Social Media Generation Approach As an option to the more traditional approach, you can also look at Youtube for inspiration. You can search Youtube that has a video that demonstrates a contemporary issue in fluid mechanics and develop your overview based on this video. For example, there is a video we have used from Youtube that describes a knife-proof vest that makes use of a shearthickening non-Newtonian fluid. Non-Newtonian fluid understanding has been around for a long time, but applying this concept to a knife-proof vest is definitely contemporary.

 Either approach to a topic listed above is fine – your choice; still needs to be contemporary – within the last 5 years

 If you have a question on whether a topic is appropriate, please contact me.

 If you select a broad topic, your review has to FOCUS on the fluid mechanics aspect

 You are encouraged to include a figure, graph or image (or multiple) to help your overview; just make sure you reference these items.

 You need to include a References section at the end to document any references used to develop your article (journal paper, web page, magazine article, etc)

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MAE 331 Spring 2019 Course Project For this semester, you will be required to complete a course project. This project is focused on addressing the ABET outcome that graduates will have knowledge of contemporary issues; i.e. even though fluid mechanics is a mature field, there are still relevant contemporary issues in the field being researched and developed. Each student (individual) is required to submit their work by the deadline stated. Due: Wednesday, April 24th, by 5:00 pm. The project must be submitted electronically on the eCampus website. NO LATE PROJECTS WILL BE ACCEPTED FOR ANY REASON (you can submit early). Contemporary Issues in Fluid Mechanics You will develop a 2-3 page overview of a contemporary issue in fluid mechanics. This could focus on a current research topic in fluids or a more applied topic, but either way, it must be a contemporary issue (work performed and/or published within the last 5 years). Several examples would include: fluid mechanics in a microgravity environment, the skirts that we are now seeing on many semi’s for drag reduction, person that broke sound barrier while skydiving, bullets that are designed to be shot underwater, etc. Look for any current research topic in fluid mechanics or a topic that industry is pursing in the area of fluids (remember that fluids includes both gases and liquids). Traditional Approach To find a topic of interest and that fits the project criteria, you would look at journal publications, conference proceedings, science articles, research web sites, etc. (could also be magazine article as long as it is technical in nature) to find a contemporary topic in fluid mechanics. Remember this can be basic research or more applied work. Social Media Generation Approach As an option to the more traditional approach, you can also look at Youtube for inspiration. You can search Youtube that has a video that demonstrates a contemporary issue in fluid mechanics and develop your overview based on this video. For example, there is a video we have used from Youtube that describes a knife-proof vest that makes use of a shearthickening non-Newtonian fluid. Non-Newtonian fluid understanding has been around for a long time, but applying this concept to a knife-proof vest is definitely contemporary.      Either approach to a topic listed above is fine – your choice; still needs to be contemporary – within the last 5 years If you have a question on whether a topic is appropriate, please contact me. If you select a broad topic, your review has to FOCUS on the fluid mechanics aspect You are encouraged to include a figure, graph or image (or multiple) to help your overview; just make sure you reference these items. You need to include a References section at the end to document any references used to develop your article (journal paper, web page, magazine article, etc)  Do not wait until the last minute on this assignment – it is 5% of your grade and no late projects will be accepted. This will be on an 8.5x11 page, single space, Times New Roman, 12 pt, 1” margin. You likely will want to include a graph, photo or image in your document (or several). You have a 3page limit as the MAX which also includes any references. I recommend submitting as a pdf, but make sure to check the pdf file before submission. Make sure to list ALL references used to develop this summary. Note I will be using the “Turn-It-In” software for submission. If you plagiarize your paper, you will get a zero on the project. If you don’t know what plagiarism is, please see me. Please use the following header for your paper. MAE 331 – Spring 2019 Name Contemporary Issues in Fluid Mechanics **Topic Title** Filename Convention Use the following naming convention for your electronic file: mae331_S***_lastnamefirstinitial_s19 *** above refers to your section number. 12-1 is 001 and 3-4 is 004. If the Turn-It-In software also requires you to give a name to the file, please use the same nomenclature.
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Running head: BULLETS THAT ARE DESIGNED TO BE SHOT UNDERWATER

BULLETS THAT ARE DESIGNED TO BE SHOT UNDERWATER:
Name:
Institution affiliation:
Date:

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BULLETS THAT ARE DESIGNED TO BE SHOT UNDERWATER

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BULLETS THAT ARE DESIGNED TO BE SHOT UNDERWATER
Introduction
Every single medium i.e. liquid, solids, and air offers a certain degree of resistance to the
movement of a given object moving through it. However the degree of resistance varies from one
medium to the next. This is usually the case whenever a bullet is shot through different medium.
This is so since unlike what has been depicted in films, bullets shot in water are far slower as
well as less accurate than those shot in air. This is as a result of the fact that water is much denser
than air and therefore offers more resistance to the movement of a bullet than air (Chan, 2016).
The resisting force which is also referred to as drag, opposes the forward motion of the bullet
causing it to lose speed as well as its sense of direction. This usually results in a bullet failing to
reach the desired target even when the aim from the shooter was perfect. The formula for the
drag force that opposes the forward motion of an object moving through water is shown below
1
𝐹𝑑 = 2 𝑝𝐴𝐶𝑑 V2 where F d is the drag force exerted by water on the object to oppose its
motion,  is the density of water, V is the velocity of flow which is usually relative to the
object’s velocity, A is the reference area and lastly C d is the drag coefficient (Aish, 2016).
The need for bullets that can sh...


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Excellent resource! Really helped me get the gist of things.

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