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h2. 

Final

...

Report

...

For

...

the

...

second

...

part

...

of

...

the

...

semester,

...

I

...

have:

...

...

...

...

  • by

...

  • changing

...

  • to

...

  • a

...

  • user-friendly

...

  • layout

...

  • that

...

  • allow

...

  • easy

...

  • access/workaround

...

  • with

...

  • MathCad

...

  • files

...

  • and

...

  • integrating

...

  • data

...

  • smoothing

...

  • using

...

  • moving

...

  • average

...

  • approach,

...

  • worked

...

  • mostly

...

  • on

...

  • assembling

...

  • the

...

...

...

...

...

  • ,

...

  • cleaning/organizing

...

  • the

...

  • experimental

...

  • apparatus,

...

  • conducting

...

  • and

...

  • troubleshooting

...

  • the

...

  • experiments,

...

  • analyzed

...

  • the

...

  • data

...

  • from

...

  • the

...

...

...

  • and

...

  • compared

...

  • it

...

  • with

...

  • the

...

  • previous

...

  • setup,

...

  • and

...

My works now (or in the future, will) focus on:

  • creating tutorial for Process Controller,
  • trying to carry out experiments using Particle Image Velocimetry (PIV) (we have managed to collect some data, but the computer that host the data crashed unexpectedly and the data cannot be retrieved at the moment),
  • conduct experiments on the new setup with new IR turbidimeter,
  • creating troubleshooting page for Tube Floc experiments, and
  • updating the wiki with new information for Summer session.

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...

Midterm Report

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 Report

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My

...

works

...

consist

...

of

...

evaluating

...

previous

...

data,

...

creating

...

better

...

analysis

...

tools

...

using

...

MathCad

...

and

...

analyzing

...

any

...

trends

...

that

...

can

...

describe

...

the

...

sedimentation

...

data.

...

Our

...

(Ian

...

Tse

...

and

...

I)

...

first

...

task

...

was

...

to

...

organize

...

the

...

data

...

and

...

to

...

identify

...

which

...

data

...

corresponds

...

to

...

the

...

matrices

...

in

...

the

...

MathCad

...

space.

...

Then

...

we

...

try

...

to

...

deduce

...

any

...

trend

...

that

...

can

...

be

...

compared

...

with

...

the

...

data.

...

Our

...

first

...

guess

...

was

...

that

...

these

...

data

...

can

...

be

...

represented

...

by

...

polynomial

...

plots.

...

From

...

the

...

error

...

analysis

...

,

...

we

...

determined

...

that

...

the

...

third

...

or

...

fourth

...

degree

...

of

...

polynomial

...

suits

...

the

...

datasets

...

the

...

best.

...

However,

...

this

...

polynomial

...

regression

...

method

...

would

...

only

...

beneficial

...

for

...

fitting

...

the

...

experimental

...

data

...

but

...

won't

...

be

...

useful

...

for

...

determining

...

any

...

actual

...

parameters

...

that

...

representing

...

the

...

curve.

...

Therefore,

...

a

...

saturation

...

curve

...

was

...

suggested.

...

However,

...

the

...

regression

...

didn't

...

give

...

a

...

better

...

fit

...

for

...

the

...

datasets.

...

We've

...

tried

...

to

...

look

...

from

...

another

...

perspective

...

,

...

and

...

after

...

several

...

discussions,

...

we

...

decided

...

that

...

by

...

normalizing

...

the

...

amount

...

of

...

settling

...

(1-NTU/NTU

...

max),

...

the

...

analysis

...

can

...

be

...

improved.

...

The

...

double-reciprocal

...

analysis

...

was

...

imposed

...

on

...

the

...

normalized

...

datasets

...

and

...

we

...

found

...

that

...

they

...

conformed

...

with

...

Lineweaver-Burke

...

analysis.

...

Our

...

next

...

approach

...

is

...

to

...

extract

...

particle

...

distribution

...

curve

...

from

...

the

...

datasets

...

and

...

get

...

better

...

understanding

...

of

...

how

...

floc

...

size

...

affect

...

the

...

performance

...

of

...

settling

...

column.

...

On

...

February

...

20,

...

we

...

also

...

did

...

teach-In

...

,

...

as

...

a

...

summary

...

of

...

our

...

understanding

...

and

...

also

...

anything

...

that

...

we

...

wanted

...

to

...

work

...

on.

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h3. 

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...

Gantt Chart

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Presented

...

here

...

are

...

pages

...

created

...

during

...

data

...

analysis.

...

Any

...

suggestions

...

will

...

be

...

reviewed

...

and

...

eventually

...

help

...

me

...

to

...

improve

...

the

...

analysis

...

tools.

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