Mixing and Flow Control in High Speed Combustors

Mechanics

Oct 24, 2013 (4 years and 6 months ago)

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Presented by:

Conyers Nel son

Computer Science

Ysi dro

Al faro

Electrical Engineering

MESA Program, San Diego City College

November 2012

MIXING
and

FLOW CONTROL
in

HIGH
-
SPEED COMBUSTORS

1 week “train
-
the
-
“what is research?”

Hosted at San Diego State University

July 2012

Led by 3 graduate research students

20 MESA student participants (10 each from City College
and Southwestern College)

Trained on research process

Learned about available research oppor tunities

Conducted 3
-

Funded by California Space Grant Consor tium

BACKGROUND

WHAT
I
S RESEARCH?

Research is an
i
nvestigation of an idea using a
scientific, engineering, or research method.

RESEARCH ACTUALLY IS

Scientific Method

Engineering

Method

Research

Method

State your

question

Define the problem

Identify and develop

your
topic

Do background

research

Do background

research

Literature Survey

Specify

requirements

Set goals

Design experiment,

establish procedure

Create multiple solutions and
choose the best one

Theoretical Methods

Build prototype

Experimental

Methods

Analyze

draw conclusions

Test and redesign as needed

Data analysis and
interpretation

Communicate results

Communicate results

Communicate results

Mix Flow
Control in High
Speed
Combustors

1
-

Finding definition of concepts

Mach and Froude numbers

Mach number
is the speed of velocity/speed of sound

Froude number
is the velocity of water/speed of the

gravity of the wave

Shallow water

Theory: Analogy between shallow water and

compressible gas

Hydraulic jump

Supercritical and Subcritical

(Fast moving) (slow moving)

2
-

LITERATURE SURVEY

Supercritical and Subcritical

HYDRAULIC JUMP

Discover how objects act in shallow water

Find the correlation between
F
roude number
and Mach number

Help engineers who test wings

Fuel efficiency of an aircraft

The wing expansion

The shape of the noise of the plane

3
-

SET GOALS

Shallow water theory analogy: This is the
analogy between shallow water and
compressible gasses.

Note: The water i s an substi tute for

compressi ble gas

By usi ng water i t saves ti me. Conducting thi s

same experi ment usi ng a wi nd tunnel i t woul d take

½ of a day.

Water i s cost ef fi ci ent and take onl y 10 mi nutes.

4
-

THEORETICAL METHOD

1.
Conservation Law of Mass
-
What size of mass goes
in, the same sizes comes out.

𝑝
1
𝑢
1
𝐴
1
=
𝑝
2
𝑢
2
𝐴
2

1.
Conservation Law of Energy
-

Amount of energy that
goes in, the same amount comes out.

1
+
𝑢
1
2
2
=

2
+
𝑢
2
2
2

1.
Conservation Law of Momentum
-

Amount of
momentum/force that goes in, the same amount
goes out,

𝑝
1
+
𝑝
1
𝑢
2
1
=
𝑝
2
+
𝑝
2
𝑢
2
2

3 GOVERNING EQUATIONS

5
-

EXPERIMENTAL METHOD

Desi gn

Was created by Dani el Nel son, a graduate student at

SDSU, studyi ng fl ui d mechani cs

Get the pi eces

The proj ected was awarded a \$1,200 grant to purchase

materi al s.

Bui l d

MANUFACTURING

Engineering Computer Program

SOLIDWORKS

RESEARCH EXPERIENCE

USING COOL MACHINES

Schol arshi ps
Parti ci pati on

i n
Computational Sci ence and
Engi neeri ng

Research Program

Avai l able
to assi st academicall y tal ented, fi nanciall y needy
students to expl ore opportuni ties for computational model i ng
and si mul ati on research i n sci ence and engi neeri ng di sci pl ines.

Funded by Nati onal Sci ence Foundati on.

SAN DIEGO STATE
UNIVERSITY (SDSU)

(MARC)

The
Undergraduate Research Trai ni ng Program was recentl y awarded to
San Di ego State Uni versi ty from the Nati onal Insti tutes of Heal th.
Students who are sel ected as trai nees can recei ve three
-
quarter
tui ti on and a monthl y sti pend of \$
913

Contact:
Thel ma
Chavez

SDSU
(
CONTI NUED)

Mi nori ty
Bi omedi cal Research Support

(MBRS
)

Is
an intensive undergraduate research training program
which prepares
students for direct entry into
STEM

Year
-
round
fi nanci al assi stance for your research devel opment.
15 hours/week
semesters, and up to 30
-
40 hours/week over the summer
(dependi ng on the budget)

Year round research and academi c mentori ng

Connecti on to graduate program and other research
opportuni ti es

Contact
:
Mi chel l e
Lopez

SDSU
(CONTI NUED)

McNai r
Schol ars
Program

In
1976, at the age of 26, he earned his Ph.D. in laser
physics

Ronald E. McNair was the second African American to fly in space
.

He was killed instantly when the Challenger exploded one minute,
thirteen seconds after it was launched.

Program
is an innovative program that prepares talented students
in the pursuit of doctoral study and careers in higher education.

Contact:
Veroni ca
Bej ar

SDSU
(CONTI NUED)

AMGEN Schol ars Program

The
program supports summer research for thi rty
undergraduates maj ori ng i n fi el ds rel ated to bi otechnology,
i ncl uding: mi crobi ology, bi oengi neeri ng, bi ochemi stry,
neurosci ence, and mol ecul ar geneti cs.

Facul ty Mentor Program

The
Facul ty Mentor Program of fers research experi ence to al l
j uni or or seni ors who have the desi re to prepare for graduate
or professi onal school.

UNIVERSITY OF
CALIFORNIA,
SAN
DIEGO
(UCSD)

CAMP Science Program

The
UCSD California Louis Stokes Alliance for Minority
Participation (CAMP) in Science, Engineering and Mathematics
program provides support and advancement opportunities to
ethnically underrepresented (African American, Mexican
American, Latino, American I ndian, Alaskan Native, or Native
Pacific I slander) students who are seeking bachelor's degrees in
chemistry, physics, cognitive science, biology, other sciences,
mathematics, engineering and technology.

Health & Medical Professions Preparation Program

The
UCSD Health and Medical Professions Preparation Program
(HMP3) provides undergraduates with enriching experiences that
will enhance their preparation for admission into professional
school in the medical and other health professions.

McNair Program

The
McNair Program provides low
-
income, first
-
generation
college students, and students from groups underrepresented in
graduate education, with ef fective preparation for doctoral
study.

UCSD
(CONTI NUED)

MARC Schol ars Program

The
desi gned to trai n and prepare hi ghl y qual i fied
underrepresented mi nori ty undergraduate students i n the
bi osci ences for entry i nto graduate school.

Summer Research Program

The
UCSD Summer Research Program i s an ei ght
-
week, ful l
-
ti me research experi ence for undergraduates.

Conference

Hel d
each May, the UCSD Annual Undergraduate Research
Conference recogni zes outstandi ng schol arl y work produced

UCSD Undergraduate Research Schol arshi p

Al l
UCSD undergraduates i n any maj or are el i gi bl e to appl y.

UCSD
(CONTI NUED)

(SURE
)

provides
funds to USD undergraduates to conduct
summer research with a USD faculty mentor.

Pre
-

(PURE
)

offers
summer research oppor tunities to San Diego high
school students who will begin classes at USD in the fall
and who may be the first in their families to pursue a
college education.

Honors
Program

offers
a four
-
year interdisciplinar y curriculum integrated
with a student's major and engages the students in
sustained independent work through original research
projects as a focus of a senior independent study
project.

UNIVERSITY OF SAN
DIEGO (USD)

Communit y
Ser vice
-
Learning

offers
course
-
based ser vice
-
learning courses that
incorporate community par tnerships which can also
include research and internship oppor tunities.

McNair Scholars

are
par tnered with faculty mentors in their discipline,
formulate a research plan, and receive stipends to
suppor t their research projects.

Hayes Scholarship/Fell owship

provides
funding to suppor t research in the sciences.

I ndependent st udy

allows
students to conduct research on a topic of
interest by enrolling in an independent study course. In
addition, research can be conducted as par t of an
international study course

USD
(CONTINUED)

PERSONAL REFLECTIONS

Research
Process
(PowerPoint)

The Craft of Research

(Text)

How to Give a Research Presentation
(PowerPoint)

Training
Handout
(PDF)

Error
Analysis
(PDF)

Tips for Charts and Graphs
(PDF)

Presentation Rubric
(PDF)

Did
you ask a good question today
?" (PDF)

For more i nformation, vi si t MESA Program websi te:

www.sdci ty.edu/mesa

(see “
Announcements
µ?