MECE 3315 FLUID MECHANICS

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1 Instructor Information MECE 3315 FLUID MECHANICS Fall 2017 TR 8:00am 9:15am, BSABH 2.112A Dr. Yingchen Yang, Associate Professor Department of Mechanical Engineering University of Texas Rio Grande Valley Office Location: BSETB (Brownsville), EENGR (Edinburg) Office Phone: Office Hours: 9:30am 11:30am on TR in Brownsville, 1pm 3pm on TR in Edinburg. Textbook Frank White, Fluid Mechanics, 8th Edition, ISBN-10: , ISBN-13: (Earlier editions are also fine) Prerequisites MECE 2335 Thermodynamics I, MECE 3450 M.Engr.Analys.II. Catalog Description This is an introductory course in fluid mechanics. The topics covered include fluid properties, fluid statics, conservation laws, dimensional analysis and similitude, inviscid and viscous incompressible flow, and flow in confined streams and around objects. Learning Outcomes Upon successful completion of the course, students will: 1. Understand the fundamental concepts of velocity field, stress field, and viscosity. 2. Apply the basic equations of fluid statics to manometers and hydraulic systems. 3. Determine the hydraulic force on submerged surfaces. 4. Apply the basic equations in integral form for a control volume. 5. Understand the differential analysis of fluid motion. 6. Apply the dimensional analysis and similitude. 7. Understand the fundamentals of internal and external incompressible viscous flow. Grading Policies Homework: 20% Quizzes: 10% In-Class Engagement: 10% Midterm Exams: 30% (2 exams) Final Exam: 30% Grading scheme: A 90%; 89% B 80%; 79% C 70%; 69% D 60%; 59% F. 1

2 Homework A homework assignment is given in EACH class meeting and is due before the start of the next class meeting. No late assignments will be accepted. Three poorest homework scores will be excluded in calculating the overall final grade. Quizzes A 10-minute quiz is scheduled on a weekly basis. The quiz contains one problem only, which is from the homework assignment due on the same day. Two poorest quiz scores will be excluded in calculating the overall final grade. In-Class Engagement 1. A playing card ID is assigned to each student in the first class of the semester and is valid throughout the semester. 2. Students are called on a random basis (by drawing cards from the deck) to answer questions, and earn points accordingly: a. Zero (0) points for no answer b. One (1) point for a wrong answer c. Two (2) points for a correct answer 3. If three students fail on the same question, the chance will be given to a volunteer. If the volunteer fails again, the instructor will answer the question and then move on. 4. The volunteer will earn two bonus points for a correct answer but no bonus points for a wrong answer (no penalty for volunteers). The bonus points will make up the point deficit due to earlier failures. If there is no point deficit for the volunteer, a maximum of 4 points can be banked to compensate later failures. 5. Students are strongly encouraged to ask lecture-related questions during lecture time and earn bonus points. The bonus points will be used in the same way as in item 4 above. 6. Assessment: by the end of the semester and after accounting for bonus points, an average will be calculated based on how many times a student has been called for and how many points he/she has earned. The average will then be scaled to 10% of the overall grade. Exams 1. Absolutely no cell phones, laptops, ipads, ipods, or any other smart electronic devices are allowed during exams. 2. Make-ups for exams will be provided for documented emergencies only. Attendance 1. Attendance will be taken every time the class meets. Students who come to class more than 5 minutes late will not be allowed in. 2. Students will be allowed for a maximum of three absences in the whole semester. Five points will be deducted from the overall final grade (100%) for each absence exceeding the maximum allowable unless documentation justifying that absence is provided. 3. For a perfect attendance throughout the semester, 3 bonus points will be added to the overall final grade. 2

3 4. Students will not be permitted to leave the classroom during lectures except for extreme emergencies. Class Schedule (tentative) Week Day Date Topic T Aug 29 Syllabus, introduction. R Aug 31 (CH1) Density, velocity, pressure, temperature, streamlines, etc. T Sep 5 (CH1) Energy, dimensions, units, state relations, dimensionless numbers. R Sep 7 (CH1) Viscosity, no-slip condition. T Sep 12 Math review: vector algebra, derivatives, partial derivatives. R Sep14 Math review: vector calculus, integrals, differential equations. T Sep 19 (CH2)Pressure gradient, hydrostatic pressure in liquids and gases. R Sep 21 (CH2) Hydrostatic forces on plane surfaces. T Sep 25 (CH2) Hydrostatic forces on curved surfaces, buoyancy, stability. R Sep 28 (CH2) Pressure distribution in rigid-body translation and rotation. T Oct 3 Review in Class. Exam I: 6pm 9pm. R Oct 5 (CH3) Control mass, control volume, Reynolds transport theorem. T Oct 10 (CH3) Conservation of mass. R Oct 12 (CH3) Linear momentum equation, pressure force on a closed CV. T Oct 17 (CH3) Bernoulli equation. R Oct 19 (CH3) Examples on linear momentum and Bernoulli equations. T Oct 24 (CH4) Total derivative, differential equation of mass conservation. R Oct 26 (CH4) Differential equation of linear momentum. T Oct 31 (CH4) Governing equation for fluid flows, ICs & BCs, applications. R Nov 2 (CH4) Fully developed laminar pipe flow. T Nov 7 Review in Class. Exam II: 6pm 9pm. R Nov 9 (CH5) Dimensional analysis, Buckingham Pi theorem T Nov 14 (CH5) Buckingham Pi theorem R Nov 16 (CH5) Similarity T Nov 21 (CH6) Pipe flows: Re regimes, energy equation, EGL & HGL, etc. R Nov 23 Thanksgiving break, no class. T Nov 28 (CH6) Turbulence modeling, turbulent pipe flow, Moody chart. R Nov 30 (CH6) Pipeline with pumps and turbines, minor loss, energy equation. T Dec 5 Final Review. R Dec 7 Study Day, no class. 16 T Dec 12 Comprehensive Final Exam: TBA 3

4 Important Dates Last day to add a class or register for Fall classes: August 31, 2017 Last day to drop a class (will count towards the 6-drop rule): November 15, 2017 Mandatory Course Evaluation Period Students are required to complete an ONLINE evaluation of this course, accessed through your UTRGV account ( you will be contacted through with further instructions. Students who complete their evaluations will have priority access to their grades. Online evaluations will be available: Fall 2017 Module 1 Oct. 5 Oct. 11 Fall 2017 Module 2 Nov. 29 Dec. 5 Fall 2017 (full semester) Nov. 15 Dec. 6 Students with Disabilities Students with a documented disability (physical, psychological, learning, or other disability which affects academic performance) who would like to receive academic accommodations should contact Student Accessibility Services (SAS) as soon as possible to schedule an appointment to initiate services. Accommodations can be arranged through SAS at any time, but are not retroactive. Students who suffer a broken bone, severe injury or undergo surgery during the semester are eligible for temporary services. Brownsville Campus: Student Accessibility Services is located in Cortez Hall Room 129 and can be contacted by phone at (956) (Voice) or via at ability@utrgv.edu. Edinburg Campus: Student Accessibility Services is located in 108 University Center and can be contacted by phone at (956) (Voice), (956) (Fax), or via at ability@utrgv.edu. Scholastic Integrity As members of a community dedicated to Honesty, Integrity and Respect, students are reminded that those who engage in scholastic dishonesty are subject to disciplinary penalties, including the possibility of failure in the course and expulsion from the University. Scholastic dishonesty includes but is not limited to: cheating, plagiarism (including self-plagiarism), and collusion; submission for credit of any work or materials that are attributable in whole or in part to another person; taking an examination for another person; any act designed to give unfair advantage to a student; or the attempt to commit such acts. Since scholastic dishonesty harms the individual, all students and the integrity of the University, policies on scholastic dishonesty will be strictly enforced (Board of Regents Rules and Regulations and UTRGV Academic Integrity Guidelines). All scholastic dishonesty incidents will be reported to the Dean of Students. Sexual Harassment, Discrimination, and Violence In accordance with UT System regulations, your instructor is a Responsible Employee for reporting purposes under Title IX regulations and so must report any instance, occurring during a student s time in college, of sexual assault, stalking, dating violence, domestic violence, or sexual harassment about which she/he becomes aware during this course through writing, discussion, or personal disclosure. More information can be found at including confidential resources available on campus. The faculty and staff of UTRGV actively strive to provide a learning, working, and living environment that promotes personal integrity, civility, and mutual respect that is free from sexual misconduct and discrimination. 4

5 Course Drops According to UTRGV policy, students may drop any class without penalty earning a grade of DR until the official drop date. Following that date, students must be assigned a letter grade and can no longer drop the class. Students considering dropping the class should be aware of the 3- peat rule and the 6-drop rule so they can recognize how dropped classes may affect their academic success. The 6-drop rule refers to Texas law that dictates that undergraduate students may not drop more than six courses during their undergraduate career. Courses dropped at other Texas public higher education institutions will count toward the six-course drop limit. The 3-peat rule refers to additional fees charged to students who take the same class for the third time. 5

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