Difference between revisions of "Ardaffa Kemal Rasha"

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[[File:Ardaffa.jpg|200px|thumb|left|alt text]]
 
[[File:Ardaffa.jpg|200px|thumb|left|alt text]]
  
Nama: Ardaffa Kemal Rasha
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Name: Ardaffa Kemal Rasha
  
 
NPM: 1806187890
 
NPM: 1806187890
  
Tempat,tanggal lahir: Tangerang, 28 Mei 2000
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Place, date of birth: Tangerang, 28 May 2000
  
Saya adalah Mahasiswa Fakultas Teknik Universitas Indonesia, Program Studi Teknik Mesin KKI angkatan 2018. Saat ini Saya sedang menempuh perkuliahan di semester 6 dan alasan Saya mengambil Program Studi (Prodi) Teknik Mesin karena ketertarikan saya di bidang permesinan, dan juga dengan harapan bahwa saya dapat bekerja di bidang Teknik Mesin setelah lulus dari Universitas Indonesia. Minat saya di bidang Teknik Mesin adalah di bidang otomotif, ayah saya yang merupakan lulusan Teknik Mesin UI juga berperan besar dalam ketertarikan saya untuk kuliah dan belajar di Teknik Mesin UI.
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I am a student at the Faculty of Engineering, University of Indonesia, Mechanical Engineering international class batch of 2018. I am currently studying in the 6th semester and the reason I took the Mechanical Engineering Study Program is because of my interest in machinery, and also with the hope that I can work in Mechanical Engineering after graduating from the University of Indonesia. My interest in Mechanical Engineering is in the automotive sector, my father who is a graduate of Mechanical Engineering UI also played a big role in my interest in studying  at Mechanical Engineering UI.
  
'''23 Febuari 2021'''
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'''23 February 2021'''
  
Hari ini saya merasa sehat dan bahagia, walaupun saat kelas ECS saya mengalami masalah internet sehingga koneksi terputus-putus sehingga saya kurang menangkap materi, tetapi teman-teman sekelas saya sudah mengajarkan materi hari ini setelah kelas agar saya tidak ketinggalan materi.
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Today I feel healthy and happy, even though during my ECS class I had internet problems so that my connection was intermittent so I didn't catch the material, but my classmates have taught today's material after class so that I don't miss the material.
  
Secara simple, Energi adalah daya yang dapat digunakan untuk melakukan berbagai proses kegiatan. Ketika saya harus menjelaskan kepada anak SD apa itu energi. Saya akan menggunakan analogi bahwa energi adalah makanan yang manusia perlukan untuk melakukan aktifitas sehari-hari seperti belajar dan bekerja.
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In simple terms, energy is power that can be used to carry out various process activities. When I have to explain to elementary school children what energy is. I will use the analogy that energy is food that humans need to carry out daily activities such as studying and working.
  
 
Assignment:
 
Assignment:
 
[[File:Tugas1Litin.jpg]]
 
[[File:Tugas1Litin.jpg]]
  
'''24 Febuari 2021'''
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'''24 February 2021'''
  
Pada pertemuan hari ini, kami memulai kelas dengan presentasi dari setiap mahasiswa mengenai wikipage mereka yang berisi tentang diri mereka dan review kelas hari kemarin. Kami juga mendapat pengenalan mengenai software OpenModelica.
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At today's meeting, we started the class with a presentation from each student regarding their wikipage containing about themselves and yesterday's class review. We also got an introduction to the OpenModelica software.
Tugas: Latihan dan lancarkan penggunaan OpenModelica
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Tasks: Practice and get better with OpenModelica
  
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'''2 March 2021'''
  
'''2 Maret 2021'''
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At today's meeting we gave our opinion on what energy conservation we think is, and we studied the formulas that can be used in OpenModelica. Besides that, we also received an explanation about OpenModelica by our friend Zakaria Bustami.
 
 
Pada pertemuan hari ini kami memberi opini mengenai apa itu konservasi energi menurut kami, serta kami mempelajari rumus-rumus yang dapat digunakan di OpenModelica. Selain itu kami juga mendapat penjelasan mengenai OpenModelica oleh teman kami Zakaria Bustami.
 
  
 
Brayton Cycle:
 
Brayton Cycle:
Line 95: Line 94:
  
 
After I re-install the older version of OpenModelica I can finally see the simulation result.
 
After I re-install the older version of OpenModelica I can finally see the simulation result.
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'''10 March 2021'''
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Today we practice to use OpenModelica and build a compressor with different parameters, Thareq, our classmate taught us how to be better at OpenModelica

Revision as of 22:42, 14 March 2021

alt text

Name: Ardaffa Kemal Rasha

NPM: 1806187890

Place, date of birth: Tangerang, 28 May 2000

I am a student at the Faculty of Engineering, University of Indonesia, Mechanical Engineering international class batch of 2018. I am currently studying in the 6th semester and the reason I took the Mechanical Engineering Study Program is because of my interest in machinery, and also with the hope that I can work in Mechanical Engineering after graduating from the University of Indonesia. My interest in Mechanical Engineering is in the automotive sector, my father who is a graduate of Mechanical Engineering UI also played a big role in my interest in studying at Mechanical Engineering UI.

23 February 2021

Today I feel healthy and happy, even though during my ECS class I had internet problems so that my connection was intermittent so I didn't catch the material, but my classmates have taught today's material after class so that I don't miss the material.

In simple terms, energy is power that can be used to carry out various process activities. When I have to explain to elementary school children what energy is. I will use the analogy that energy is food that humans need to carry out daily activities such as studying and working.

Assignment: Tugas1Litin.jpg

24 February 2021

At today's meeting, we started the class with a presentation from each student regarding their wikipage containing about themselves and yesterday's class review. We also got an introduction to the OpenModelica software. Tasks: Practice and get better with OpenModelica

2 March 2021

At today's meeting we gave our opinion on what energy conservation we think is, and we studied the formulas that can be used in OpenModelica. Besides that, we also received an explanation about OpenModelica by our friend Zakaria Bustami.

Brayton Cycle: Open-cycle gas turbine.png

The Brayton cycle is a thermodynamic cycle named after George Brayton that describes the workings of a constant-pressure heat engine. Brayton Cycle can be summarized into 4 internally reversible process:

1-2 Isentropic compression (in a compressor)

2-3 Constant-pressure heat addition

3-4 Isentropic expansion (in a turbine)

4-1 Constant-pressure heat rejection

Ideal Brayton cycle:

isentropic process – ambient air is drawn into the compressor, where it is pressurized. isobaric process – the compressed air then runs through a combustion chamber, where fuel is burned, heating that air—a constant-pressure process, since the chamber is open to flow in and out. isentropic process – the heated, pressurized air then gives up its energy, expanding through a turbine (or series of turbines). Some of the work extracted by the turbine is used to drive the compressor. isobaric process – heat rejection (in the atmosphere). Actual Brayton cycle:

adiabatic process – compression isobaric process – heat addition adiabatic process – expansion isobaric process – heat rejection

Cybr1.jpg

A temperature–entropy diagram, or T–s diagram, is a thermodynamic diagram used in thermodynamics to visualize changes to temperature and specific entropy during a thermodynamic process or cycle as the graph of a curve. It is a useful and common tool, particularly because it helps to visualize the heat transfer during a process. For reversible (ideal) processes, the area under the T–s curve of a process is the heat transferred to the system during that process.

3 March 2021

On today's class we discuss about entropy and enthalpy.

Entropy is a scientific concept, as well as a measurable physical property that is most commonly associated with a state of disorder, randomness, or uncertainty.

  Entropy formula: ΔS = ΔQ / T
  where: ΔS is change of entropy (joule/kelvin)
         ΔQ is change of heat (joule)
         T is temperature (kelvin)

Enthalpy is a property of a thermodynamic system, defined as the sum of the system's internal energy and the product of its pressure and volume. It is a convenient state function standardly used in many measurements in chemical, biological, and physical systems at a constant pressure.

  Enthalpy formula: H = U + pV.
  Where: H is enthalpy of the system (joule)
         U is internal energy (joule)
         p is pressure (Pa)
         V is volume (m^3)

9 March 2021

Today we learn on how to use OpenModelica, we built a combustion model

Comlitin.jpg

However when I try to simulate the model it says an error because I have a different version of OpenModelica

ErrorLitin.jpg

I will try to run this simulation again after I install an older version of OpenModelica

Simulasilitin.jpg

After I re-install the older version of OpenModelica I can finally see the simulation result.


10 March 2021

Today we practice to use OpenModelica and build a compressor with different parameters, Thareq, our classmate taught us how to be better at OpenModelica