Flow Meter Measurement Latest Full Report

Topics: Fluid dynamics, Orifice plate, Volumetric flow rate Pages: 9 (1508 words) Published: April 8, 2015
THERMAL-FLUID
ENGINEERING’S
FULL LAB REPORT
I hereby declare that this report is written by me/us and it is my own/group effort and no part has been plagiarized without citations

FACULTY OF MANUFACTURING ENGINEERING
EXPERIMENT TITLE: MEASUREMENT WITH FLOWMETER

GROUP NO: 02

SECTION: 02

NAME OF STUDENT

NO ID

1. ALI ZULFAKAR BIN KHAIRUDIN

FA12032

2. MOHD ZUL ASRI BIN MOHD RAMLI

FB12011

3. MUHAMAD ASLAM BIN ABDUL RAUB

FB12010

PRACTICAL DATE: 20 MARCH 2015

WEEK:04

SUBMISSION DATE (FULL REPORT): 27 MARCH 2015

WEEK:05

LECTURER NAME: SURAYA SULAIMAN
REMARKS:
Thermal-Fluid Engineering Lab (BFF3801) SEM 2 2014/2015 (Front Page) © SurayaSulaiman

THERMAL-FLUID ENGINEERING’S
LAB RUBRIC
(FULL LAB REPORT)

No

Criteria Details

Scoring Criteria

Marks

1.0

Objectives

Objectives clear

2.0

Theory

Theory clear

3.0

Experiment
Apparatus
Procedure

All experiment apparatus are listed and pictures are
labeled.
Procedures are listed clearly and in order.

5.0

Experiment
Results

20

6.0
7.0

Sample of
Calculations
Discussions

All numerical data reported. The results are correct and
labeled appropriately. Graphs are labeled and titled and
tables are complete.
Show clearly the sample of calculation of result findings.

25

8.0

Conclusions

9.0

Application in
Industry
References/
Appendices
Format

Complete discussion and evaluation of the results.
Information is synthesized, arguments made to address the
questions.
Conclusions meets the objectives and effectively
communicate purpose and synthesize information from
experiment
Relate the experiments with the application that applied in
industry
Clearly stated the references.
Follow the guidelines, typed, organized, and fewer error in
spelling, punctuation and grammar.

10

4.0

10.0
11.0
12.0

Score

5

5

10

10

10
5

Total

/100

Experiment #D. Measurement with Flowmeter

1.0:Objectives

To design and conduct one experiment to measure the different flow measurement using venturi, orifice, rotameter and bench.

2.0:Theory

The rotameter is a flow meter in which a rotating free float is the indicating element. Basically, a rotameter consists of a transparent tapered vertical tube through which fluid flow upward. Within the tube is placed a freely suspended “float” of pump-bob shape. When there is no flow, the float rests on a stop at the bottom end. As flow commences, the float rises until upward and buoyancy forces on it are balanced by its weight. The float rises only a short distance if the rate of flow is small, and vice versa. The points of equilibrium can be noted as a function of flow rate. With a well-calibrated marked glass tube, the level of the float becomes a direct measure of flow rate

The venturi meter consists of a venturi tube and a suitable differential pressure gauge.The venturi tube has a converging portion, a throat and a diverging portion as shown in the figure below. The function of the converging portion is to increase the velocity of the fluid and lower its static pressure. A pressure difference between inlet and throat is thus developed, which pressure difference is correlated with the rate of discharge. The diverging cone serves to change the area of the stream back to the entrance area and convert velocity head into pressure head.

The orifice for use as a metering device in a pipeline consists of a concentric square-edged circular hole in a thin plate, which is clamped between the flanges of the pipe. Pressure connections for attaching separate pressure gauges are made at holes in the pipe walls on both side of the orifice plate. The downstream pressure tap is placed at the minimum pressure position, which is assumed to be at the vena contracta. The centre of the inlet pressure tap is located between one-half and two pipe diameters from the upstream side of the orifice plate, usually a...

References: Appendices


Wikipedia
Fluid Mechanics (SI units): Fundamentals and Applications by Yunus A.
Cengel (Author), John M. Cimbala (Author)
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