The Department of Mechanical Engineering discusses the Master's letter specialization (air conditioning and freezing) on

the prediction of a cooling system using the technology of industrial neural networks

Discussed the Master's letter in the Department of Mechanical Engineering - University of Technology and Weather (Including the performance of a cooling system using the technology of industrial neurological networks ( Prediction of Refrigeration System Performance Using the Artificial Neural Network Approach The student's message (Iyad Lifta Majeed) aimed to reach a technology that can be based on to predict the performance of cooling systems based on the criteria and conditions similar to which this technology was designed on the basis of which this technology was design with the input of ten is (air temperature and cooler after And before every component of the system Eight of the output parameters are (cooling system performance factors, cooling capacity, quantum flow of coolant liquid, deep cooling, frying temperature, energy consumption, quantum eligibility for compressors and mass temperature ratio (HRR) The researcher concluded that the ANN algorithm that was designed was a very high prediction ratio, since the most important specifics for its accuracy are the average error square MSE was 3.6*10^_5. And the connection factor R is 0.9996 and was very close to the practical data recorded from the laboratory (cooling system). Preliminary results obtained from this technology indicate that the cooling system performance factors increase and reduce energy consumption if - the higher the steam temperature and the lesser the fumes percentage, the discussion committee composed each of A. A Qasim Saleh Mahdi for president and. M. Ahmed Abdel Nabi, a member of W.M. A Ali Dawood member and supervisor A. Dr. Ahmed Abdul Muhammad Saleh and. M. A Alaa Abdul Hadi Jaber

Important and Very Urgent

Subject/ Adhere to the recommendations of the decisions of the Supreme Committee for National Health and Safety

Good Greeting...

According to the letter of the Ministry of Higher Education and Scientific Research-Department of Studies, Planning, and Follow-up (No. 1/9666, on 20/12/2021) and attached to our previous memorandums, which included:

• Not allowing students attendance
• Not allowing to workers attendance
• Not allowing faculty members attendance

 In the governmental and private institutes, colleges, and universities, where they are considered as absent unless they are getting a vaccination card or a weekly (PCR) examination for those who are not vaccinated by the vaccine or those infected during the previous three months,  must be supported by scientific reports from the specialist committees that proves ( Negative status) by continuing to do so for the purpose is necessary to limit the spread of new species of the COVID-19 virus.

Furthermore, it has been directed to send the Crisis, Safety, and Risk Management Cell Committee to follow up and perform the decisions of the Supreme Committee and National Safety (No. 28, 2021) and to submit a final report to the university’s standing. Further, the director of the concerned department is responsible for not complying with this memorandum.

So, Let's Work Accordingly Together... To Stay Healthy

Sincerely,

Minutes of the meeting of the committee to receive the new accepted students of the Mechanical Engineering Department for the academic year 2021/2022

        According to the administrative order No. (5 ه م ك/3066) on 12/14/2021, which includes the Establishment of a committee to receive new accepted students into our department for the academic year 2021/2022, meetings were held with students of the first stage (morning study) of all branches of the department on Monday, 3 /1/2022, in the presence of all members of the committee and some heads of branches in the  Dr. Munir Muzaffar room. The meeting included a discussion of several topics, the most important of which are:

1. Including introducing the university and its websites and the possibility of benefiting from it in completing their academic requirements, introducing the department buildings, scientific syllabuses, classrooms and Engineering Drawing room and their numbering, and laboratory locations.
2. The students have been notified to follow the instructions issued by the Health and Safety Committee to wear masks and social distancing in classrooms and closed places
3. The students were encouraged to attend all classes and not being absent, and the absence system was introduced and the legal procedures when the students not follow it.
4. Encouraging the commitment to public ethics and maintaining parental relations between the professor and the student and between the students themselves and commitment (in modest dress and appropriate speech) on university campus.
5. explaining the procedures of the study system followed in the department and the electronic platform which is used in electronic lectures and examination, and the organization for distributing grades for all subjects
6. Inform the students that there is no second attempt for subjects of practical nature, which are for the first stage: laboratories and workshops.
7. Urging the students to choose the representative of each class as soon as possible, and this representative should be qualified to consider the responsibility without any compliments.
8. Inform the students to preserve the university’s properties in general and particularly the department’s ones, especially laboratory equipment and classroom contents such as projectors, air-conditioning devices and classroom furniture, and not to tamper them.
9. Maintaining the cleanliness of the university and the department, and following all instructions that are clarified in the form of poster in the university and department campus.
10. The students were instructed to go to the heads and rapporteurs of the scientific branches in case there were any problems facing the students.
11. Students were introduced to sporting, artistic, cultural and scientific events within the university and the necessity of participating in these events.
12. Listening to the students' enquiries and answering all their questions.
13. The students were divided according to their scientific branches to hold a meeting with the head, rapporteur and teachers of the branch and to introduce their studies in a more accurate and comprehensive manner.

Department of Mechanical Engineering

University of Technology

Oral Defense - MS Degree Thesis

Titled” "Experimental and Numerical Study of Convection Heat Transfer Inside a Triangular Channel Filled with Porous Media at Constant Heat Flux Boundary Condition"

By:  Sabah Raad Mahdi Saleh

Members of the examining committee:

Chair:

Asst. Prof. Dr. Lama Fadel Ali

Members:

Asst. Prof. Dr. Qusai Jihad Abdel Ghafour

Dr. Yasmine Hamid Abdel Hussein

Supervision By:

Dr. Suhad Abdul Hamid Rashid

Mr. Sabah Raad Mahdi Saleh has been debated his thesis titled" A practical and numerical study of heat transfer by forced convection inside a triangular duct filled with porous material under a constant heat flux as a boundary condition". The main objectives of this study are to study the effect of the overall heat transfer coefficient when using glass balls with a diameter (5 mm and 12 mm) as a porous medium inside a triangular channel and that the porosity inside the channel was (0.468 and 0.616) respectively for the Reynolds number range from (3165 to 10915 at a constant heat flux and that the fluid used is air. Furthermore, to study the effect of changing the angle of rotation of the channel on the same axis (from zero to 30 degrees and 60 degrees).

The researcher concluded that the usage of glass balls as a porous medium boosts the overall heat transfer coefficient. Consequently, the overall heat transfer coefficient at the Reynolds number (10915) is around 90.2% for the balls at a diameter equal to 5 mm, and 88.1% for balls at a diameter of 12 mm when compared with the channel that is not filled with porous medium. Further, the effect of changing the channel rotation angle is very slight at the same Reynolds number.

The researcher recommended that the usage of glass balls as a porous medium works to enhance the performance of heat transfer via the triangular channel, that affects increasing the pressure difference on the two ends of the channel, as well as the increase in the coefficient of friction. Extra, the effectiveness coefficient of the entire system was at porosity (0.616) better than at porosity (0.468).

Best wishes to our student Mr. Sabah Raad Mahdi Saleh

Welcoming new students

On Monday, 3/1/2022, the Student Reception Committee held a meeting with the new students accepted in all branches of the Mechanical Engineering Department at Dr. Munir Muzaffar room at eight thirty in the morning, in the presence of some of the heads and teachers of the scientific branches. Some topics were discussed, including introducing the university and its websites and the possibility of benefiting from it in completing their academic requirements, introducing the department buildings, scientific syllabuses, classrooms and Engineering Drawing room and their numbering, and laboratory locations.

 The students have been notified to follow the instructions issued by the Health and Safety Committee to wear masks and social distancing in classrooms and closed places. In addition, the committee explained the procedures of the study system followed in the department and the electronic platform which is used in electronic lectures and examination, and the organization for distributing grades for all lessons. Moreover, the students were encouraged to attend all classes and not being absent, and the absence system was introduced and the legal procedures when the students not follow it. The committee encouraged the commitment to public ethics and maintaining parental relations between the professor and the student and between the students themselves and commitment (in modest dress and appropriate speech) on university campus.