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PENGARUH KETINGGIAN BAK PENANGKAP AIR DAN PANJANG PIPA MASUK TERHADAP HEAD PUMP PADA POMPA HIDRAM Utomo, Gatut Prijo; Arifianto, Muhamad
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.746

Dusun Ketos and Dusun Cabe is 2 (two) of 7 (seven) Dusun in Kulon Wonodadi Ngadirojo Pacitan, EastJava. The problems faced by the community, especially for Ketos Dusun and Dusun Cabe whose territory the formof hills and rocks are prone / difficulty of clean water, clean water to meet the needs of the people using water fromsprings and rainwater. In the dry season, water from springs debitnya reduced, so that less water needs in thevillage. Only water can not be drained using gravity because it is under the township residents located on the hill - ahill at an altitude of 750 m above sea level. The approach offered to solve the problem is by making a catchmentbasin, hydraulic ram and tank water divider.The effectiveness of the performance of hydraulic ram is influenced by several parameters, among others: the lengthof the inlet pipe, inlet pipe diameter, high penagkap tub of water, and heavy exhaust valve. This study aims toobserve and analyze the effect of altitude penagkap tub of water and a long inlet pipe to the pump head on thehydraulic ram. The research method through designing hydraulic ram and analyzing the catchment basin height of2.9 m, 3.2 m and 3.5 m and a length of inlet pipe 18 m, 24 m and 30 m. Tests carried out in the river, precisely inDusun and Dusun Ketos Cabe, Pacitan.Based on the research and analysis it can be concluded that by using the height of basin catchment 3.5 m and 30 mlength of pipe entry could generate more volume and maximum pressure compared with other tests and can producewater flow of up to 6.7 L / min at pump head 173 m with a vertical condition.So the higher the basin catchment (H), the greater the discharge of the hydraulic ram and the pressure generated inthe intake also getting bigger, while for long inlet pipe (L), the length of the pipe entering the greater the volumeand pressure of entering into Conductor flowing through the valve body hidram, because the water is very largeimpulse will open the waste valve and the valve closed waste arrived - arrived to make the flow greater impetus.This is because water is the greatest moment of the collision on H 3.5 m and 30 m L it affect the discharge resultsand the hydraulic ram pump head.Keywords: hydraulic ram, high penagkap tub of water, the length of the pipe entrance

ANALISA BRIKET BERBAHAN DASAR LIMBAH PRODUKSI SANDAL DAN TEMPURUNG KELAPA DENGAN VARIABEL KOMPOSISI DAN TEKANAN SEBAGAI ENERGI ALTERNATIF Agung, Pramoda; Firmanto, Deta
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.747

oblems. The worst happen is at the end of December 2014 within the rainy season, the area was flooded dueto the amount of waste that was caught in the river and gutters. To reduce the negative impact of huge amount ofwaste of production slippers. The author wants to attempt to recycle the waste into alternative energy ie briquettes.Briquettes made not only to reduce the negative impact arising from the accumulated waste sandals production, butalso can be used as an alternative energy fuel. In this case study, first, slipper's waste and a mixture of coconut shellthrough the pyrolysis process beforehand separately about 350-400ÂºC. Each of the process takes two hoursdepending on the amount of waste in the pyrolysis. Using adhesive from starch glue with a ratio of 10: 1, ie, 1000grams of a mixture of waste and 100 grams of glue. Variation of the components used are piled waste 20%,shell80% and piled waste 60%, shell 40% . Pressed using a manual hydraulic press machine with variations of pressureof 60 kg / cmÂ², 80kg / cmÂ², and 100 kg / cmÂ². Based on the analysis results obtained that the briquettes with acomposition of 60% waste and 40% shell with a pressure of 100 kg / cmÂ² has a calorvalue, long boil, the old ignitionand efficiency most good, with a total moisture content of 10.61%, volatile matter 6:52%, 3.77% ash content, fixedcarbon 79.10% . So when being compared with the existing standard can be quite feasible to used as alternativeenergy.Keywords : piled waste, pyrolisis, briquette

PENGARUH PUTARAN DAN JARAK LANGKAHPENEKANAN TERHADAP KAPASITASPRODUKSI MESIN PRES BATAKO ., Muhyin; Setyiawan, Didik
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.748

Adobe as a building material to build a house, have a sizeable market. One village Nogosari,Kec.ngadirojo, Kab. Pacitan, from the results of field surveys in the brick-making process is still very less effective,so as to enhance the economy of citizens who are farmers rainfed and productive time work only 4 months.Dihasilkanpun brick production capacity is small enough that 300 pieces / 8 hours. To increase the capacity it needsto be developed and applied the appropriate technology, so the idea the author to replace conventional productiontools are still with vibro brick pressing machine that uses a gasoline engine propulsion. In this case the authorsanalyze lap and suppressive measures the distance to the wall in the mold, which aims to increase productioncapacity and get the best quality.In this study analyzed the round and suppressive measures the distance to the wall in the mold of the productioncapacity in a pressing machine combining brick with round and suppressive measures the distance to the wall in amold with different variables and testing each - each 3 times. Wherein rotation of analysis and distancedivariabelkan as follows rotation 5000 rpm, 4600 rpm, 4000 rpm and a distance of 30 mm, 25 mm, 20 mm. Analysisof the data and the results of the testing showed that the best maximum capacity of 240 units / h at 5000 rpmrotation and a distance of 30 mmKeywords ; brick, vibro (vibration), press (emphasis), capacity.

NOZZLE DAN SUDUT BUANG SUDU TERHADAP DAYA DAN EFISIENSI MODEL TURBIN PELTON DI LAB. FLUIDA ., Supardi; Prasetya, Endra
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.749

Pelton turbine is one of the impulse turbines, wherein the turbine is able to transform the water potentialenergy into kinetic energy by using a nozzle. The water that comes out of the nozzle with high speed at atmosphericpressure hit the bucket which consists of two symmetrical parts. After hit the bucket, the direction of the flowvelocity change resulting in a change of momentum (impulse), consequently rotating turbine wheel generatesmechanical energy. As well as pelton turbine models in laboratory fluid which has been studied by R. HartonoTeguh in his finally task in 2006 on Experimental studies Determining Characteristics of Model Redesign Peltonturbine in Lab. Fluid. Assess experimental this time aimed at the development which also examines the peltonturbine models to determine the effect of variations in the diameter of the nozzle and the angle of the bucket waste ofthe generated power and efficiency. Variation used is the diameter of the nozzle 6 and 9 mm with exhaust bucketangle 145o, 165o, and 175o. Pelton turbine models that were tested using a single nozzle, with a number of buckets22 pieces, as well as using a runner diameter of 150 mm. Dimensional bucket used has several main dimensions,namely the width of the bucket 36 mm, bucket length 27 mm, bucket depth of 8.10 mm, bucket gap width of 10.8 mm,and the distance of the center beam bucket Valentine of 13.5 mm. From the data obtained by tests performed powerand the largest turbine efficiency at variation of 6 mm diameter nozzle at an angle of 175o bucket exhaust i.e. 38.76Watts with an efficiency of 82.80%. The largest generator power can be achieved in the variation of 6 mm diameternozzle at an angle of 175o bucket exhaust i.e. 10.4 Watt, while the best efficiency occurs at the nozzle 9 mm diametervariation with angle of 175o exhaust bucket that is 50.61%.Keywords: Pelton Turbine, and Power Efficiency

ANALISA LAJU PANAS RATA-RATA PADA ALIRAN MASSA GARAM TERHADAP PENGARUH PUTARAN ULIR DAN BUKAAN KATUP REGULATOR GAS ELPIJI DI MESIN PENGERING GARAM YODIUM Martini, Ninik; Khadarisman, Erick
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.750

Dry season, especially on the industrial salt drying small one "ocean salt production" Banjarwati village, Paciran, District of Lamongan. drying the salt by means of drying the salt air is free and takes a long time reaches afull day to get the salt with an appropriate water content before being packed and sold. during the rainy season saltdrying using oven-rise that is with a simple tool that uses a direct ignition from below the results of these tools lessthan the maximum drying them salt is still dirty, charred and only produce 200 kg of salt ready for use per day,while the demand is very high as 1,000 kg / day and is unable to meet consumer demand every rainy season comes. This study aims to help small industries during the rainy season by making, "iodine salt drying machine"Conductresearch methods on the tool with variable rotation screw shaft including is15rpm, 20rpm, 24rpm and valve opening(valve) with LPG gas regulator Â¼ open valve, Â½ open valve, 1 open valve.After analysis on the results of the testingare the best tool that is "open valve Â½ (valve) LPG gas regulator and a round screw shaft 20 rpm" and get a hotpace (q) of 666.4 joules / second at 20kg of salt mass flow rate, and levels of water an average of 5% in accordancewith the quality of iodized salt consumption (MOH, 2005). This analysis can be used as a solution to increase theproduction capacity of salt during the rainy season arrives. so that the maximum drying by using "iodine salt dryingmachine" compared with the air drying salt-free.Keyword :

ANALISA PENGARUH PANJANG PIPA GALVANIS DAN DIAMETER BUKAAN KATUP TERHADAP HEAD POMPA PADA POMPA HIDRAM Utomo, Gatut Prijo; Abidin, Khoirul
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.751

Hamlet Ketos and hamlets Cabe is 2 (two) of 7 (seven) hamlet in Wonodadi Kulon, Ngadirojo Pacitan, the problems faced by the community, especially for Hamlet Ketos and hamlets pepper the area of hills and rocks areprone / difficulty getting water net. The approach offered to solve the problem is by making a catchment basin,hydraulic ram and tank water divider.Hydraulic ram works on the principle of water hammer. When the fluid flow is stopped suddenly it changes themomentum of the fluid future will increase the pressure suddenly. Increased pressure is used to lift some of thewater to higher ground. Then designed hydraulic ram which uses the potential energy of the water as a vehicle. Indesigning the authors use the pump inlet pipe length variation of 18 meters, 24 meters and 30 meters and a diameterof the valve opening is full (0.1 meters), 0.08 meters and 0.065 meters. Tests carried out in the river, precisely inHamlet and Hamlet Ketos Cabe, Pacitan.It can be concluded at this test that by using a long inlet pipe diameter of 30 meters and full valve opening is 0.1meters and the discharge pump head has more leverage than other tests, namely the pump head 173 m and waterdischarge (output) generated amounted to 6.68 L / min. So the longer the pipe entrance (L), the higher the pressuredihasilakan, as well as thelarger the diameter of the valve opening, the greater the pressure acting on the hydraulicram, because the greater the time and speed, the momentum was also greater, so the impulse weight the exhaustvalve is closed suddenly make a greater boost the flow exceeds the static pressure inlet pipe, and it affects the pumphead on the hydraulic ramKeywords: hydraulic ram, a long inlet pipe, the diameter of the valve opening

PENGARUH VARIASI DEBIT ALIRAN DAN PIPA ISAP (SECTION) TERHADAP KARAKTERISTIK POMPA SENTRIFUGAL YANG DIOPERASIKAN SECARA PARALEL ., Supardi; Renwarin, Max Millian
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

The pump is a machine used to raise the liquid from the surface of the low to the higher, or move the fluidfrom the high pressure. Plan and create a means of centrifugal pumps for water flow to the arrangement / circuitParallel to the needs of fluid mechanics lab in August 17, 1945 the University of Surabaya. Step experiment with agate valve openings 900, 700, 500, 350, with a maximum rotation 2580 RPM pump, get the planning andcharacteristics (Head, Capacity) of the two pumps are arranged in parallel. The influence of the suction pipediameter variations on these tests affect the capacity (Q). The larger the diameter of the suction pipe is used, thegreater the capacity of the water produced. The influence of variations in flow through the valve opening effect onHead (H). the smaller the aperture setting, the valve resulting Head Small increasingly.Keywords: Centrifugal Pumps, Suction Pipe, Valves, Head and capacity.

ANALISA PENGARUH KETINGGIAN BAK PENANGKAP AIR DAN BERAT KATUB BUANG TERHADAP HEAD PUMP PADA POMPA HIDRAM Utomo, Gatut Prijo; Ali Aziz, Moh. Nor
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.753

Ketos Hamlet and Hamlet Cabe is 2 (two) of 7 (seven) Dudun Village Wonodadi Kulon Ngadirojo Pacitan, East Java. The problems faced by the community, especially for Ketos Hamlet and Hamlet Cabe whose territory theform of hills and rocks are prone / difficulty of clean water, clean water to meet the needs of the people using waterfrom springs and rainwater. In the dry season, water from springs debitnya reduced, so that less water needs in thevillage. Only water can not be drained using gravity because it is under the township residents located on the hill -a hill at an altitude of 750 m above sea level. The approach offered to solve the problem is by making a catchmentbasin, hydraulic ram and tank water divider.The effectiveness of the performance of hydraulic ram is influenced by several parameters, among others: the lengthof the inlet pipe, inlet pipe diameter, high penagkap tub of water, and heavy exhaust valve. This study aims toobserve and analyze the effect of altitude penagkap tub of water and heavy exhaust valve on the hydraulic ram pumphead. Methods of research through design and analyze hydraulic ram catcher height tub water is 3.5 m, 3 m and 2.5m and weight of the exhaust valves 16.6 N (1.7 kg), 21.6 N (2.2 kg) and 26.5 N (2.7 kg). Tests carried out in theriver, precisely in Hamlet and Hamlet Ketos Cabe, Pacitan.From the results of the data collection high catchment basin 3.5 m and weight of the exhaust valves 26.5 N (2.7 kg)with a height h = 180 m has a maximum pressure of other testing and discharge of produced water is 7.5 L / min. Sothe higher the catcher bath water (H) the higher the pressure generated in the intake, due to the greater mass andvelocity, the momentum is also getting bigger. As for the valve exhaust (w) with a heavy load and stride lengthconsiderable allow fluid to flow more quickly, so that when the valve sewage closing will surge high enoughpressure that makes impulse flow is greater exceeds the static pressure inlet pipe, and the may result in elevatedworking fluid toward the air tube. And it has an effect on the hydraulic ram pump head.Keywords: hydraulic ram, high penagkap tub of water, the weight of the exhaust valve

PEMANFAATAN ELEKTROLISA AIR SEBAGAI ALRENATIF PENGHEMAT BAHAN BAKAR SEPEDA MOTOR HONDA 100 CC Utomo, Gatut Prijo; Wijaya, Rhony Mukti
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.754

The fuel consumption of vehicle increasingly very important, with bigger CC fuel consumption moreincreasing. The continuously fuel consumption will be caused world energy crises indication, Therefore it isnecessary an effort of alternative energy use in order to create good energy balance. In this research tested andcompared between pure gasoline and hydrogen gas-added fuel (HHO) that result in through water electrolyteprocess. From the gas hydrogen (HHO) producer tool testing with vary long variation of electrode, that are : L =60 mm, and L = 80 mm, d = 15 mm with electrode range of 5 mm. Based on testing analysis that pure gasolinewith volume 10 ml in engine circle of 6000 Rpm, produce effective power 4,7 Hp over within 47,3 seconds. Specificfuel consumption (Sfc) as 0,116 kg/hp . h, and thermis efficiency as 48,1%. While fuel with volume 10 ml of hydrogen gas-added fuel (HHO) using electrode L = 60 mm, d = 15 mm with electrode range of 5 mm in enginecircle 6000 Rpm, produce effective power 4,9 Hp over within 66 seconds. Specific fuel consumption (Sfc) as 0,078kg/hp . h, and thermis efficiency as 71,8%. In engine circle and gasoline volume is same and in similar conditionuse electrode L = 80 mm, d = 15 mm with electrode range of 5 mm, resulting in effective power 5,0 Hp over within64 seconds, Specific fuel consumption (Sfc) as 0,079 kg/hp . h, and thermis efficiency as 70,3%. hydrogen gas-addedfuel (HHO) gained from electrolyte result can be increase engine effective power and engine thermis efficiency aswell as fuel consumption (Sfc).Keywords : electrolyte, HHO, fuel, alternative energy

KAJI EKSPERIMENTAL PENGARUH VARIASI DIAMETER NOZZEL DAN JUMLAH SUDU TERHADAP DAYA DAN EFFISIENSI PADA PROTOTYPE TURBIN PELTON DI LAB. FLUIDA ., Supardi; Ridwan, Moh.
MEKANIKA: Jurnal Teknik Mesin Vol 1 No 01 (2015): July
Publisher : Program Studi Teknik Mesin, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12345/jm.v1i01.755

Review of experimental effect of variations in the diameter of the nozzle and the amount of bucket on thepower and the efficiency on prototype pelton turbine in the Lab. Fluid. The aim of this study wants to know the effectof variations in the diameter of the nozzle and amount of the bucket to the power and efficiency of the existing peltonturbine prototype in the laboratory Fluid in the Pico-hydro scale. The steps in this research include the study ofliterature and field studies, designing, manufacturing of test equipment, testing, data analysis, and conclusions.Variation is done using nozzle diameter (dn) 6 mm and 9 mm, Î²2 at 165o, amount of bucket (Z) 12 units, 17 units,and 22 units. For the runner has a large diameter of 150 mm, while for the power plants or generators using spooland magnet on motorcycles. Results of this testing is the largest input power (Pin) at d 6 mm with a value of 46.81watts. The largest turbine power (Pt) and turbine efficiency (Î·t) at dnn = 6 mm with Z = 12 unit with value P= 40,34watt and Î·t =86,18 watt. The largest generator power (Pgen) at d = 6 mm with Z = 22 unit with value 9,6 watt,meanwhile for the largest generator efficiency (Î·genn) and the largest efficiency system (Î·sis) at d= 9 mm with Z = 22unit with value Î·gen = 54,24 % and Î·= 25,82 %.Keywords: Pelton Turbine, Bucket, Nozzle, Power and Efficiency

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