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Turbulen : Jurnal Teknik Mesin

turbulen
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Published by UNIVERSITAS TRIDINANTI PALEMBANG

ISSN : 26213354 EISSN : 26560186 DOI : http://dx.doi.org/10.3676

Core Subject : Science, Engineering,

Materials Science & Nanotechnology Mechanical Engineering

Turbulen (pISSN 2621 3354) It's focused on original articles in the form of research results or literature review which provides insight in the field of mechanical engineering and machinery that includes the field study of energy conversion such as combustion engineering, internal combustion engine, fluid dynamics, thermodynamics, heat-mass transfer, HVAC (Heating, Ventilation and Air Conditioning), tribology and sustainable-renewable energy. The field study of metallurgical sciences like materials processing, heat-treatment, metal forming-testing and advances materials. Construction field study with analytical and computational of mechanical rigid body as well as structural mechanisms and manufacturing-industrial study such as metal machining, manufacturing processes and manufacture engineering or as well as other related mechanical engineering field study.

Arjuna Subject : -

Articles 46 Documents

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PEMBENTUKAN ENERGI YANG POTENSIAL YANG BERPUSAT PADA SISTEM HVAC ATAS TATA KELOLA UDARA STRUKTUR RUANG BANGUNAN PERKOTAAN DI KOTA PALEMBANG YANG DIPENGARUHI IKLIM CUACA Martin Luther King; Muhammad Ali; Sukarmansyah .; Muhammad Iskandar Badil
Jurnal Turbulen Vol 1, No 1 (June 2018)
Publisher : Universitas Tridinanti Palembang

Stringent ventilation regulations make the humidity problem more serious. In modern society, people spend most of their time in built environments. More attention has been paid to indoor air quality and indoor thermal comfort. Fresh air centered HVAC systems are necessary for almost all buildings. In this chapter, a quantitative analysis is provided for the energy expenses and possible savings in fresh air ventilation. More specifically, hot and humid climates like Palembang are selected as the calculating sample. Under such climates, moisture recovery is more important than sensible recovery. Keywords: Humidity,Fresh Air, indoor thermal, HVAC, Palembang Society

ANALISA KEGAGALAN PADA DRILL PIPE DI RIG PDSI D1500/53 Anggoro Tri Prakoso; Suhardan .; Ozkar Firdausi Homzah; Sofwan Hariadi
Jurnal Turbulen Vol 1, No 1 (June 2018)
Publisher : Universitas Tridinanti Palembang

Oil and gas industry use drill pipe to make a well bore, the drill pipe conected one by one by operator.Drill pipe is the important tools to make the hole deeper to reach the resevoir. Another function of drill pipe is to trasnfer the mud and make the circulation during the drilling job. Non productive time on oil and gas drilling operation is undesirable for several reason. One of them is the economic, because it can increase cost, time, and decrase productitity. The problem that often happends is failiure of drill pipe. This paper is aimed to analize the charateristic faiulure on drill pipe in PDSI D1500/53 drilling rig. Material examination which have been done is tensile test, hardness test, spectometer test, fractography, and SEM EDX. The result shoed that fatigue and corrosion fatigue was the root cause of failiure. Keywords: Drill Pipe, Failure, Fatigue

EKSPERIMENTAL KINERJA SISTIM REFRIGERASI AIR CONDITIONER SPLIT TERHADAP PARAMETER PENGUJIAN DENGAN KOMBINASI PEMANFAATAN DAN PEMASANGAN WATER HEATER LISTRIK Martin Luther King; Iskandar Husin; Hermanto .
Jurnal Turbulen Vol 1 No 2 (Dec 2018)
Publisher : Universitas Tridinanti Palembang

Frequent complaints from workers in the company regarding the unavailability of hot water for bathing water needs during the rainy season. To fulfill hot water needs for company workers, it is necessary to install a water heater in each mess for comfort for workers. This experiment is also in line with supporting the Government and Company programs in terms of the efficiency of the energy and global warming beneficiaries that are currently happening. Water heater technology (WH) is considered the most recent and used as an alternative. Its main function is to supply hot water needs in all parts of the housing that are in need. The amount of heated water is adjusted to the needs of the dwelling whether it's for bathing, kitchen matters, and washing. Because it is used when needed, the efficiency side is greatly highlighted from the water heater product (WH). Another advantage of the product concerned is the unlimited supply of hot water provided there is always electricity available Key Words: Air Conditioner, Water Heater, Heat, Energy Efficiency

ANALISA RANGKA LOAD-FRAME DARI ALAT TRIAXIAL DIGITAL 50 KN Eka Putera; Hendri Maja Saputra; Ruchimat .
Jurnal Turbulen Vol 1 No 2 (Dec 2018)
Publisher : Universitas Tridinanti Palembang

An analysis of the strength of the material on the framework of the digital triaxial apparatus to increase the maximum working capability to 50 kN has been performed. A digital triaxial device is a test machine used to determine the properties of a soil sample. Analysis of the framework of this tool is needed to see the character of the material used so as to obtain maximum performance to support the performance of the digital triaxial device. The frame in question consists of a bottom base, two poles, and a beam rod positioned at the top of the pole. The analysis performed using 3D Solidworks software utilizes structural analysis features. Pressures of 50 kN are given in a vertical direction so as to press the midpoint of the bottom base and the beam rod, both of which are attached to the pole using a nut as anchoring. The analysis result shows that Stress Von Mises maximum vallue that works on parts is 1.664,7 kgf/cm2. Keywords: Triaxial Digital, load- frame, structure analysis, 50 KN

ANALISA CFD PENGARUH LOKASI PEMASANGAN FLOW STRAIGHTENER BESUDUT 450 TERHADAP PEMBACAAN FLOW METER Pramadhony .; Muhammad Lazim; Muhammad Amin Fauzie; Togar P.O. Sianipar
Jurnal Turbulen Vol 1, No 1 (June 2018)
Publisher : Universitas Tridinanti Palembang

A chemical plant needs some high accurate instrumentations in order to support an efficient production process. Flow meter, one of instrumentation types, has function to read the flow rate of a fluid. The error of reading in flow meter can cause some problems such as incorrect reaction doses and the error in the amount of product transferred to consumer. Flow meter installation has to fulfil some requirements in order to achieve an accurate measurement. The altering of flow direction can change the flow pattern and triggers a swirling flow which has to be avoided when it flows through flow meter. Generally flow meter is designed can be work well in an ideal condition. The requirements are a uniform velocity profile, free from a swirling flow and turbulence flow regime. A limitation of space sometimes causes a problem when installing flow meter in an ideal condition. A 45° inclination of flow straightener has better performance in eliminating the swirling flow and improving the velocity profile. By installing the flow straightener in various locations, the required fluid pattern can be obtained as closer as possible form the upstream. In this research, the authors conduct a CFD analysis to the flow of bio-diesell inside the pipe before it is read by flow meter. Keywords: : Flow Straightener, Swirling Flow, Flow Meter

STUDI EKSPERIMENTAL PENGARUH PROSES PEMBAKARAN TERHADAP SIFAT MEKANIS PADA BAJA TULANGAN Ella Sundari; Taufikurrahman .; Sepri Alfarizi
Jurnal Turbulen Vol 2 No 1 (June 2019)
Publisher : Universitas Tridinanti Palembang

Reinforcing steel is a very important material contained in the concrete, where it has a function as a tensile load receiver where the concrete is very weak in receiving the tensile load. In the event of concrete and reinforced concrete fires can be complementary because the reinforcing steel can accept tensile load while the concrete can accept the press load. The method of testing conducted in this study using the method of tensile testing, metallography, and composition testing. Where prior to testing the reinforcing steel is first casted in the concrete after it is done combustion process with a temperature of 400 ° C, 600 ° C, 800 ° C and cooled with water and air cooling medium. After done all the testing process got result that is reinforcing steel which has the most optimal tensile stress occurred at temperature of 600 ° C with water cooling media which got value of tensile strength equal to 596,46 N / mm2. Keywords: : Reinforcing Steel, Tensile Test

Full coverpages; June 2019 Redaksi Redaksi
Jurnal Turbulen Vol 2 No 1 (June 2019)
Publisher : Universitas Tridinanti Palembang

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Coverpages vol.1 no.2, Dec 2018 Redaksi Editor
Jurnal Turbulen Vol 1 No 2 (Dec 2018)
Publisher : Universitas Tridinanti Palembang

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PERANCANGAN ALAT PENANAM BENIH JAGUNG DAN PENYIRAMAN Togar P.O. Sianipar; Zulkarnain Fatoni
Jurnal Turbulen Vol 2 No 1 (June 2019)
Publisher : Universitas Tridinanti Palembang

From year to year the need for Indonesian corn continues to increase in the field of agriculture equipment sector must continue to be developed and continue to innovate to achieve maximum productivity, one of which is a tool of corn seeds Existing seeds must also be developed, the existing seed planter is limited only to do the planting of seeds without any excess on the tools designed planting tools corn seeds added with watering system, can be concluded The function of corn seed planter is to do seed planting and to do watering using one tool, the maximum capacity of watering for this tool is 5 liters and watering for one hole planting is 200 ml. Keywords: : Seed planting tools, corn seeds, watering tools

PEMANFAATAN UDARA PANAS KONDENSOR MESIN PENDINGIN SEBAGAI SUMBER ENERGI PEMANAS AIR RUMAH TANGGA Jeri Tangalajuk Siang; Aries Kamolan
Jurnal Turbulen Vol 2 No 2 (Dec 2019)
Publisher : Universitas Tridinanti Palembang

The use of energy is important today due to the rapid decrease in fossil energy entire the world. The world should consider of using energy as efficient as possible. Waste energy from engines and other energy converters is released as hot air in the atmosphere. Waste heat energy is able to recover by using water heat exchanger. This research aims to experimentally examining the use of waste heat from room air conditioner as home energy source. A cross flow concentric pipe heat exchanger is used as the condenser for a room air conditioner to cover the exhaust energy from the condenser. The results shows that by using a concentric pipe condenser, the exhaust energy is benefit to decrease the paid energy equal to Rp. 57.000,- monthly electricity bill. The other supplementary beneficial equal to Rp. 564.249,- electricity bill gained from exhaust energy of the air conditioner. Keywords: : hot air, energy source

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