American Academy of English Computer Aided Mechanical Engineering Paper BEng (GCU) Computer Aided Mechanical EngineeringSimilarity less than 8%plagrisim re
American Academy of English Computer Aided Mechanical Engineering Paper BEng (GCU) Computer Aided Mechanical EngineeringSimilarity less than 8%plagrisim report is needed For F/QAP/021/001
College of Engineering
Course Work 2
Name of the programme
Name of Module with Code
Level/Semester & AY
Name of the Course
coordinator / Tutor
Coursework Type
Assessment weightage
Type and date of submission
BEng (GCU) Computer Aided Mechanical Engineering
Thermo Fluids, M3H324727
Level 3 / Semester B & AY: 2019-20
Dr. Dinesh Keloth kaithari
Assignment + Online quiz
50%
Online submission 05-06-2020
Aim To understand the concept of thermodynamics principles
Learning Outcomes On completion of the module, the student should be able to:
•
Apply the fundamental principles of thermodynamics and
fluid mechanics to energy conversion systems
•
Demonstrate the performance of thermo-fluid systems
through analytical methods including the use of empirical
relations evolved from non-dimensional numbers
•
Demonstrate the principles of fluid mechanics and
thermodynamic systems through laboratory experiments
supported with data analysis and interpretations
Task(s)
Online assignment specific to each student on thermodynamics which will be uploaded on
blackboard and online link will be created for uploading the assignment along with marking
rubrics. Students are required to submit online within the specified deadline. Each Task comprises
of questions assessing theoretical skill, numerical skill and analytical skill. Sample task is provided
below with variables highlighted that are specific to different students.
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9th July 2017
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F/QAP/021/001
TASK 1 [25 Marks]
1. The following data refer to data obtained by conducting performance test on diesel engine.
Specification of computerized diesel engine test rig:
o
4 – stroke Diesel Engine (water cooled), compression ignition
o
Engine make – Kirloskar AV – 1
o
Rated power of the engine – 5 hp at 1500 rpm
o
Cylinder capacity of the engine – 553 cc
o
Stroke and bore length – 110mm X 80mm
o
Compression ratio – 15:1 to 18:1
o
Dynamometer : Eddy current, Torque controller loading
Perform the following:
(a) Explain the working principle of a 4-stroke diesel engine with neat diagram
[10 marks]
(b) Determine brake power and brake thermal efficiency of the engine for the set No. 1
[10 marks]
(c) Analyze the effect of increase in torque on brake thermal efficiency
[5 marks]
TASK 2 [25 Marks]
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2. (a) Explain the working principle of working of a gauge used for measuring high pressure in a
boiler
[10 marks]
(b) The water in a tank is pressurized by air, and the pressure is measured by a multifluid
manometer as shown in Figure below. The tank is located on a mountain at an altitude of
1400 m where the atmospheric pressure is 85.6 kPa. Determine the air pressure in the tank
if 1= 0.1m, 2 = 0.15 m, and 3 = 0.05 m. Take the densities of water, oil, and mercury to
be 1000 kg/m3, 850 kg/m3 and 13600 kg/m3 respectively.
[10 marks]
(c) Analyse the change in manometric fluid (oil and mercury) with another fluid on manometric
height h2 and h3 for the manometer given in figure above.
[5 marks]
TASK 3 [30 Marks]
3.(a) Explain the significance of Reynolds number in fluid flow through a pipe with examples and
draw appropriate diagrams wherever necessary.
[10 marks]
(b) Fluid flows upwards through an inclined conical pipe as per the following specifications:
Type of fluid: Water
Volume flow rate of fluid through the pipe = Q = 0.001 m3/s
Inlet diameter of the pipe = d1 = 0.02 m
Outlet diameter of the pipe = d2 = 0.03m
Difference in height between outlet and inlet = (Z2 – Z1) = 2 m
(i) Draw schematic diagram of the system;
[5 marks]
(ii) Determine difference in pressure between the inlet and outlet. (P1- P2). [10marks]
(c) Analyse the effect of increase in difference in height between outlet and inlet on the difference
in pressure between inlet and outlet.
[5 marks]
TASK 4 [10* 2 = 20 Marks]
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F/QAP/021/001
Online quiz will be conducted with different type of questions namely multiple choice, fill in the
blanks as well as true or false that covers both theory, numerical and analytical part. Online quiz
will be uploaded in blackboard so that students can access black board and complete the task.
Marking scheme
Component
Description
Weightage (%)
1
Task 1
25%
2
Task 2
25%
3
Task 3
30%
4
Task 4
20%
Total
100%
Instructions
1. Plagiarism is a serious offence. In case of any plagiarism detected, penalty will be imposed
leading to zero mark. Policy and guidelines for dealing with plagiarism and malpractice in
examination can be viewed by clicking:
http://coeportal.nu.edu.om/member/contentdetails.aspx?id=490
2. Course work should be submitted on time. College guidelines on late submission of
coursework can be viewed by clicking:
http://coeportal.nu.edu.om/member/contentdetails.aspx?id=565
3. References needs to be indicated as per CCE Harvard referencing style which can be
viewed by clicking
4. Course work should be submitted with an appropriate cover page, which will be uploaded
on blackboard.
5. Name, student identification and title of the course work to be written clearly and legibly
on the cover page.
6. The completed course work is to be submitted online in the link provided in blackboard.
Referencing
Harvard Referencing (CCE Style) First Edition 2013 should be followed for both in-text and listing
references. This downloadable document can be found in our CCE portal at:
http://coeportal.nu.edu.om/member/contentdetails.aspx?cid=693
Name and Signature of Course coordinator
Dr.Dinesh keloth kaithari
Date:23– 04 – 2020
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9th July 2017
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