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INDONESIA
ENGINEERING
Published by Universitas Pancasakti Tegal
ISSN : 20873859     EISSN : 25498614     DOI : -
Core Subject : Engineering,
Engineering
Journals that publish scientific articles from various engineering / engineering disciplines namely mechanical engineering, industrial engineering, civil engineering. Articles published in the Engineering Journal include the results of original scientific research (top priority), scientific review articles that are new (not priority), or comments or criticisms of scientific writings published by the Engineering Journal.
Arjuna Subject : -
Articles 386 Documents
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ANALISA SISTEM PEMBANGKIT THERMOELEKTRIK DENGAN RANGKAIAN PARAREL PADA PEMANFAATAN PANAS BUANG MESIN TOYOTA COROLLA EFI Agus Wibowo; Zulfah .; Prawiro Anggianto
Engineering : Jurnal Bidang Teknik Vol 2 No 1 (2011): April
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (376.74 KB) | DOI: 10.24905/eng.v2i1.93

Abstract

In the coming year is estimated to be growing energy needs increased by about 40% ofcurrent needs,  as  we know  from  100% fuel  used by  only  about 30% that  is used  to  drive thecar. part of the energy wasted in the form of the radiator and the gas is wasted purpose ofThis  analysis  is  to determine  how to  utilize  waste  heat  energy  in  toyota  corolla  engineefficiently  into  energy  useful  to the  system  and  to determine the  effect  thermolektrik  parallel circuit  thermoelektrik  components  generated  strong  currents  and  voltages  generatedelectricity in accordance with the type of materials used.In  writing  this essay  the author  collected  data  -  data  with  methods of  literature, interviews and observation.There results can be conclude (1) for exhausted heat energy in Corrola EFI Toyota engines are asw follows. Arranging thermoelektrik with parallel circuit which is mounted on the exhaust side, turn the machine with 1000 rpm engine speed, gradually up to 300 0 rpm. Start measuring the temperature of top and bottom of these thermoelektrik, and also a strong measure of current, voltage to be produced thermoelektrik. There we received the results from the engine exhaust heat is on with a series of parallel thermoelektrik. (2) there researchon the  influence of  these  parallel  series  of  studies  thermoelektrik  components  that  wereassembled  in  parallel  to  produce  strong  currents  and tension  resulting  from the  wasteexhaust  heat  is wasted.  at  1000  rpm  to produce  strong  currents  of  0.5  degrees  Celsiusampere  and  voltage  of  0.9  volt  temperature  -  average  above  45  degrees  Celsius,  the temperature  -  average  95  degrees  Celsius  below  1500  rpm  to produce  strong  currents  of  0.9ampere and voltage of 1 volt and temperature - average 59 degrees Celsius.temperature  -  average  below  111  degrees  Celsius.  2000  rpm  producing  a strong  current  of  1ampere  and  voltage  of  1.2  volts  and  temperatures  average  61  degrees  Celsius,  the temperature  -  average  below  119  degrees  Celsius,  2500  rpm  producing  a strong  current  of1.5  amperes  and the  voltage  at  1,  5  volts  and  temperature  -  average  56  degrees  Celsius,  the temperature – average below 123 degree Celsius. 3000 rpm to produce strong currents of 1.5amperes  and the  voltage  of  2  volts  and  temperature  -  average  61  degrees  Celsius,  the temperature  -  average  below  127  degrees  Celsius.  if  understood  parallel  pengaruhrangkaianis still very small to generate strong currents and voltages. the stronger the currents used, the greater the stronger the smaller the current and voltage and vice versa.Key words : ampere, temperature, voltase, thermoelektrik
KEMAMPUAN PRODUKSI BIOGAS PADA DIGESTER BERBAHAN FIBERGLASS BERUKURAN 120 L Mustaqim .; Ahmad Farid; Sandra Sugara
Engineering : Jurnal Bidang Teknik Vol 2 No 1 (2011): April
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (162.06 KB) | DOI: 10.24905/eng.v2i1.94

Abstract

Research capability of the digester biogas production made from fiberglass sized 120 liter conducted with the aim of knowing severa l stages of the process to be able process cow manure into biogas and to know the process of making biogas producing from cow manure tools in use : pipe saws, electric weld, grunding machine, hammer, gauges, sricssors, while the material in use : jembung fiberglass 120 liter, pipe ½ inch, pipe 4 inch, L dan T pipe form, L pipe form 4 inch, glue pipe, stop value ½ inch, stop value ¼ inch, rubber hose, iron pipe ¼ inch. Research methods and data analysis by colleeting data on biogas conducted to determine the variation in the form of a mixture, determine the gas pressure gauge on the ang biogas flame test and cost data for tool-making technigue producting biogas from low manure. Reresult is a processed cow manure into biogas with a variation of a mixture of cow manure with water (15 Kg-  10 L), (15 Kg-15 L), (15 Kg-  20 L) from experiment of flame can be proction with the variation (15 Kg-  15 L) with the longfire flaming is 34 seconds. The shaped of unit processing cow waste become biogas with cost which needed Rp 403.000,-Key word : biogas, digester, fiberglass
ANALISA CELAH BUSI TERHADAP KONSUMSI BAHAN BAKAR BEIJING 100 CC Suwandono .; Rusnoto .; Tofik Hidayatulloh
Engineering : Jurnal Bidang Teknik Vol 2 No 1 (2011): April
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (272.22 KB) | DOI: 10.24905/eng.v2i1.98

Abstract

Spark plug  gap  effect  on  fuel  consumption of  100  cc  motorcycle  beijing  inMechanical  Engineering  Faculty of Engineering Laboratory,  University  ofPancasakti TegalThe objectives of this study to find out which plugs a gap in terms of gasoline andalcohol and it can make  the design of fuel consumption can be as desired to practice. The  data collection  used  by  doing  the practice,  books  and  journals which  relevantand direct measurement of multi-tester data needed in researchThis study  is  one of  effort  to help  Mechanical  Engineering  Faculty of Engineering Laboratory,  University of  Pancasakti  Tegal. It’s one of requirement for students to do practice.Data analysis methods used in the spark plug gap effect on fuel  consumption is a100cc  motorcycle Beijing  test  data  to  test  research  has been  desired  by  the user  ornot  in the  study,  adequacy of  test  data, this analysis is  to  examine  data that  has beenhomogenized  is  feasible  or  not  to  be  basis  in  the calculation  and  the third is thepercentile of test methods to determine the ideal size of the existing data.In this research needs calculation data including, such as electric current, voltage,  time and length of hose to determine fuel level, this data is taken to determine the fuel consumption is used to determine the distance.To  see  clearly  its use  in  the operation  and  make it simple, we can use an alternator  that is placed  under the  motorcycle  seat  and  is associated  with  iron  leverto  measure  the torque  is  automatically.  The result from altenator data which used digital multi tester calculation for the speed of 2000 rpm by measuring spark plug gap is appropriate with this studyKeywords :  plugs a gap and gasoline
ANALISA SISTEM PEMBANGKIT BERBASIS THERMOELEKTRIK DENGAN RANGKAIAN SERI PADA PEMANFAATAN PANAS BUANG MESIN TOYOTA TIPE 4K Ahmad Farid; Lagiyono .; Yanu ivayana
Engineering : Jurnal Bidang Teknik Vol 2 No 1 (2011): April
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (434.795 KB) | DOI: 10.24905/eng.v2i1.99

Abstract

Thermoelectric technology is themain alternative source for ansver theneed of energy. Thermoelectric can produce hot or cool. The sape is slim, size 4 x 4 cm and thickness just 4 mm. This research aim to detected the use of heat sink Toyota machine type 4K with thermoelectric modul and the application from energy that is producted by series of thermoelectric modul. Method that is used in this research is method research, the object of this research thermoelectric modul that is used for using heat sink in machine and continued by the application economizing on fuel. Based on the result of research from 8 thermoelectric modul series produced electric tension (voltase) 6,6 Volt with 1 Ampere electric current but after applicated for electrolysis, tension become 2,5 Volt with electric current 0,1. Electric power that is applicated 6,6 watt and after applicate in electrolysis become 0,22 watt. The use application electric energy from thermoelectric with electrolysis method get satisfying result. The use of fuel in 50 minute without electrolysis fuel that need in 50 minute is 910 mililiter. it means in 50 minute using electrolysis we can economize fuel 130 mililiter. Key words: thermoelectric, electrolysis, econo mizing in fuel.
ANALISA PENGARUH KATALIS TEMBAGA PADA KATALYTIK KONVERTER TERHADAP EMISI GAS CARBON MONOKSIDA DAN HIDRO KARBON PADA KENDARAAN MOTOR BENSIN Mustaqim .; Tofik Hidayat; M. Ginta Nur Hidayat
Engineering : Jurnal Bidang Teknik Vol 2 No 2 (2011): Oktober
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (246.765 KB) | DOI: 10.24905/eng.v2i2.100

Abstract

The growth of motor vehicles in Indonesia is quite fast to bring the influence of the increased usage of fuel oil, so that the air pollution becomes inevitable. Motor vehicles are the largest source of pollutant emissions and contribute to the Carbon Monoxide of the pollutants that exist, where from year to year pollution levels increased along with the increasing use of motor vehicles. One of the things that can be done by researchers in this application is the installation of emission control teknology Catalytic Converters are installed in the exhaust gas channel.  Catalytic Converter generally use this type of expensive metal catalysts and rare in the market (Palladium, Platinum and Rhodium). Based on the fact above, so we do by making "'Design of CatalyticConverter with using metal copper (Cu) as catalyst.This research aims to design a catalytic converter get up, to know the efficiency of the use of metals Copper (Cu) as a catalyst and to determine the effect of CO emissions in motor vehicles.  Measurement  of the concentration of Carbon Monoxide gas emissions in the exhaust gas channel carried on standart conditions using Gas Analyzer tool. From the results of this in I find that the use of Catalytic Converters Copper (Cu) with a variety plate and the fibers  are made of copper as a catalyst to reduce CO Flue gas emissions. Efficiency decrease in CO concentration of 0.01% by using 0.2 mm Cu and copper fibers. Output CO concentration are largely influenced by changes in engine speed and vehicle fuel and air mixture entering the combustion chamber. In general, the use of Catalytic Converter does not affect the performance of vehicle engines. Keywords:    Catalytic Converters, Catalytic Copper (Cu), Concentrations of CO
ANALISA MEDIA PENDINGIN KAPUR PADA PROSES TEMPERING TERHADAP SIFAT FISIS PADA POROS S 45 C Lagiyono .; Siswiyanti .; Waryono .
Engineering : Jurnal Bidang Teknik Vol 2 No 2 (2011): Oktober
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (219.907 KB) | DOI: 10.24905/eng.v2i2.101

Abstract

This research aim to analyse process tempering with lime coolant to property fisis covering assaying of chemical composition and assaying of microstructure at  Axis  S45C. Process quenching at temperature 870°C with detention of 30 minutes and tempering is done with temperature 300°C with detention of 60 minutes  . Assaying applied in this research is descriptive assaying (Assaying destroys) what applies feedstock for specimen  is Axis Steel S45C.  Composition test result shows basis material ( Raw Material) included in faction of medium carbon steel or middle carbon steel with carbon content 0,47%. After getting treatment of Quenching with cooling applies water and Tempering with cooling applies lime then is tested its(the chemical composition and microstructure  happened transformation at chemical composition content and prensentase its(the microstructure.  As for result of assaying after getting treatment process of tempering happened transformation of chemical composition that is improvement at Mn ( Manganese) out of 06308 % becomes 063131 %, Si ( Silicon) out of 023283 % becomes 023806 %, Al ( Aluminum) out of 000992 % becomes 001276 %, Cu ( Copper) out of 00077 % becomes 000859 % and V ( Vanadium) out of 000012 % becomes 000022 %.  For its(the microstructure with content pearlite equal to 95% and ferrite equal to 5% but having strain between sewer structureses is more breadth.  Application from result of this research that axis steel S45C is getting treatment of Tempering with pedingin lime can be applied as axis because memilki strength and hardness but remain to slack is not brittle.Keyword :  Qunching, Tempering, Axis S45C, Microstructure, Metal Chemical Composition
ANALISA PENGARUH PENGGUNAAN CATALYTIC CONVERTER PADA MESIN MOTOR EMPAT LANGKAH TERHADAP PENURUNAN EMISI GAS BUANG Zulfah .; Agus Wibowo; Untung Hartoni
Engineering : Jurnal Bidang Teknik Vol 2 No 2 (2011): Oktober
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (151.467 KB) | DOI: 10.24905/eng.v2i2.102

Abstract

Using the motorcycle which is more, it is influenced the pollution from the exhaust pipe in  the air. The contains of Carbonmonocsida (CO), Oksida Nitrogen (NOx), Hydrocarbon (HC) and the other things which are accumulated and will be influenced the human’s healthy and finally it is caused die.The collecting data is taken directly by researcher from the laboratory and also from the source from the person in  which  is called an interview and it had been documented in well, the documentation is connecting wich the gas and pollution. The development of Catalytic Converter had been reducing the pollution, but it is not maximize. Adding the plat of cooper in Catalytic Converter will be an alternative to reduce the pollution on it. From the research the writer get the data before using the Catalytic Converter the four stroke exhaust pipe produced 2,238 %  CO volume, HC 222,8 ppm volume. The second research on the standard exhaust pipe produced 1,66 % CO and HC 131 ppm volume. The research which is given the cooper Catalytic Converter produced only 1,66 % CO and HC 71,4 ppm volume. From the data the writer  can conclude that cooper Catalytic Converter able to reduce the pollution from the motorcycle.Keywords: Pollution, Catalytic Converter, Cooper.
ANALISIS KINERJA INSTALASI SISTEM PENGKONDISIAN UDARA BANGUNAN KOMERSIAL Drajat Samyono
Engineering : Jurnal Bidang Teknik Vol 2 No 2 (2011): Oktober
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.745 KB) | DOI: 10.24905/eng.v2i2.103

Abstract

Instalasi  system  pengkondisian  udara  merupakan  suatu proses penanganan  udara. Mesin  pendingin (water chiller) yang  digunakanmempunyai  kapasitas  pendingin  600 Ton Refrigerasi  dan  laju  aliranrefrigeran (R134-a) 13,608 kg/s. Kinerja  mesin  pendingin  ditentukanoleh parameter koefisien  laju  perpindahan  kalor evaporator dankondensor, efektifitas evaporator dankondensordanfaktor fouling evaporator dankondensor.  Parameter analisakinerja yang digunakanadalah  laju  aliran  massa  refrigeran,  temperature  masuk  dan  keluarkompresor,  temperature refrigerant  pada evaporator dankondensor, tekanan evaporator dankondensor, temperatur air masuk  dan  keluar evaporator, serta  temperatur air masuk  dan  keluar  kondensor.  Melaluiperhitungan  dan  analisa data yang direkam  selama 120 hari, diperolehpenurunan  kapasitas  beban  pendingin 1,53 %, koefisienkinerja 3,12 %, efektifitas evaporator 20,52 %, dan  faktor fouling 159,24 %. Sedangkan  pada  kondensor  terjadi  penurunan  laju  perpindahan  kalor 1,34 %, efektifitas  kondensor 22,22 %, dan  kenaikan  faktor fouling 299,7 %. Keywords:  Kapasitaspendingin, analisakinerja, temperatur, tekanan, lajuperpindaha kalor
PROTOTYPE PEMBANGKIT LISTRIK TENAGA OMBAK SISTEM OSILATOR Soebyakto .
Engineering : Jurnal Bidang Teknik Vol 2 No 2 (2011): Oktober
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.183 KB) | DOI: 10.24905/eng.v2i2.104

Abstract

Pembangkit  listrik tenaga ombak  sistem osilator  adalah untuk mencari solusi energi pengganti bahan bakar minyak.  Sudah banyak pemikiran untuk mempelajari kemungkinan pemanfaatan  energi laut yang tersimpan didalamnya. Dalam studi kasus ini, dikaji metode yang paling mungkin untuk wilayah perairan laut tertentu. Pembangkit listrik tenaga ombak sistem bandul, sistem gerak harmonik, dengan memperhitungkan ketinggian dan kecepatan ombak. Pembangkit listrik tenaga ombak metode gerak harmonik. Prinsip metode ini dengan memanfaatkan gerak osilasi benda yang mempunyai massa jenis lebih kecil dibandingkan massa jenis air laut, diletakkan di atas ombak. Osilasi ombak akan menggerakkan lengan momen naik-turun dan dilanjutkan menggerakkan dinamo, penghasil listrik.Keywords:  getaran ombak, turbin energi ombak, energi listrik.
PEMBUATAN PAPAN REKLAME ELEKTRIK Toufik Hidayat; Lagiyono .; Ananta Vicky Aprillia
Engineering : Jurnal Bidang Teknik Vol 2 No 2 (2011): Oktober
Publisher : Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (142.265 KB) | DOI: 10.24905/eng.v2i2.106

Abstract

Pada sistem  tersebutterdiri dari beberapa komponen atau peralatanyang menunjanguntuk mengendalikan suatu  papan  reklameUntuksistem.Penggerak pada papan reklame ini seperti motoran listrik ¼ PK, gera box, V-belt, roller, dibandingkan dengan system kendali yang konvesional. Cara kerja alat ini adalah gerak lambat putaran otomatis, sesuai dengan modelnya, putaran berdasarkan gear box dan motoran listri, selain itu juga reklame yang dipasang bukan menggunakan LCD melainkan kain atau bener yang bergerak lambat dari bawah ke atas, yang nantinya dapat  digunakansebagai sarana praktek dalam memahami ssitem kendali khususnya menggunakan system putaran otomatis. Sehingga system kendali alat ini dapat dipahami dan dipraktekan oleh halayak umum.Sisitem kendali papan reklame ini dibuat bertujuan untuk keindahan kampus universitas pancasakti tegal, selain itu juga dpat dimanfaatkan sebagai media promosi yang di pasang di setiap fakultas.  Berdasarkan hasil pengamatan dan analisa dapat disimpulkan bahwa : Penggunaan alat ini lebih mudah dan murah dibandingkan dengan menggunakan system kendali LCD.Dalam memprogram  iniharusmemperhatikan langkah-langkah tertentu yang tidak bisa diabaikan. Saran dalammerencana suatu rangkaian kontrol tidak hanya membuat rangkaian yang baru, tetapidapat juga mengembangkan rangkaian yang sudah ada sehingga diharapkan hasilnya.Keywords: Papan Reklame, Elektrik

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