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<![CDATA[ANALYSIS OF ENERGY EFFICIENCY RATIO (EER) IN AIR CONDITIONER (AC) TYPE SPLIT ]]>
<![CDATA[Yolanita Fani]]>;
<![CDATA[Ilham Arnif]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.6108
<![CDATA[Cooling system is something that is already familiar to the people of Indonesia, both in domestic and industrial use. The cooling system functions to reduce the temperature of a room so that the temperature is as desired. The development of air conditioners is increasingly modern. The use of air conditioners (AC) is growing rapidly so that the CFCs produced affect the environment which can cause the ozone layer to be damaged and cause global warming. Therefore, there is a need for research related to the level of energy use. This study discusses the Energy Efficiency Ratio test to realize a government program that is "one family one number testing". Retrieval of data in this report is by testing the split type air conditioner, where this test aims to obtain an energy-saving star label on the air conditioner. All tests are carried out at the AC Chamber Laboratory located at the Center for Energy Conversion Technology (B2TKE) - BPPT which is a professional energy conversion testing center in Indonesia. The testing process is carried out in a structured way from initial checking of test materials, preparation of tests, testing to analysis of test results. Based on the test analysis results, it can be concluded that the Energy Efficiency Ratio (EER) value to get the energy saving sign star label and the test results obtained the Energy Efficiency Ratio (EER) value of 11,805 Btu / h and get a four star.]]>
<![CDATA[INCREASING ACTIVITIES AND RESULTS OF STUDENT LEARNING CHASIS LESSON THROUGH PBL ( PROBLEM BASED LEARNING) LEARNING MODEL IN VOCATIONAL SCHOOL ]]>
<![CDATA[Suyitno suyitno]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.5891
<![CDATA[This study aims to: 1) To find out whether or not student activity has been applied to the PBL model ( Problem Based Learning ) on the XI class chassis subjects at PN Purworejo Vocational School. 2) To find out whether or not student learning outcomes increase after the PBL model ( Problem Based Learning ) is applied on the XI class chassis subjects at PN Purworejo Vocational School. This type of research is Classroom Action Research. This research was conducted in two cycles. The subject of this action research is a class XI student of Engineering Program kendaraa n Light The PN Purworejo Vocational School 2018/2019 , which numbered 27 students, consisted of 26 male students and 1 female student. The aspects studied included curiosity, behavior, and activeness of students who showed students' enthusiasm for learning and learning actions shown by the teacher as indicators of implementing learning with problem-based learning models. After the data is obtained then it is analyzed using percentage description techniques. A nalisis data by quantitative descriptive analysis to find the average percentage of the activity and student learning outcomes. The results of this study are that activeness and student learning outcomes increase from each cycle. This can be seen from the increase in the average score of student activity from the pre-cycle with a percentage of 70.37% categorized as less, up to 82.87% in the good category and increasing in the second cycle that is equal to 90.89% and falls into the very good category . While for student learning outcomes can be seen from the increase in learning outcomes by applying the problem based learning model ( Problem Based Learning ). Based on results the average learning of students who meet competency standards is as follows: in the pre cycle the average value is 72.37 with a percentage of 29.63% in the sufficient category then increasing in the first cycle with an average of 81.03 with the percentage is 51.85% and is included in the good and increasing category in the second cycle with an average of 90.66 with a percentage of 88.88% and included in the excellent category.]]>
<![CDATA[IDENTIFICATION OF INDUCED DRAFT FAN (IDF) DAMAGE IN BOILER WASTE GAS SYSTEM ]]>
<![CDATA[Yasdin Yasdin]]>;
<![CDATA[alimin alimin]]>;
<![CDATA[Siti Ramasih]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.6111
<![CDATA[Induced Draft Fan (IDF) is a fan that sucks air from inside the boiler out to the chimney, producing negative pressure on the boiler, keeping the circulation of combustion air in the boiler normal. IDF is one of the main components in the exhaust gas system which serves to maintain the temperature and vacuum of the furnace in the boiler. This report will identify IDF damage using vibration indication control instruments by looking at vibration indication trending data through the Distributed Control System (DCS) in the Central Control Room (CCR). The results of the trending data will then be identified whether the vibration in Induced Draft Fan has increased, if the vibration ≥ 5.6 mm/s is declared an alarm and if the vibration ≥ 7.1 mm/s then the unit trip or must be stopped. Based on the results of research during industrial practice in Banten 2 PLTU Labuan there were 2 conditions in the IDF, namely when there was a disturbance with a height of X and Y side vibrations of 22.5 mm/s, and conditions after improvement with the height of X vibration side that is, an average of 4.2 mm/s and Y side averaging 4.1 mm/s. The high vibration is affected by the damage of several IDF components, caused by the amount of ash remaining combustion that enters the IDF which causes abrasion of the impeller blade.]]>
<![CDATA[MAKING THE ROTARY TABLE LOCK OF SCHAUBLIN 13 MILLING MACHINE ]]>
<![CDATA[Adhan Efendi]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.5444
<![CDATA[The milling machine in the workshop of Bandung Manufacturing Polytechnic works not too optimally in the process of the incision. This is due to the disappearance of two rotary table lock milling machine which makes the cutting process less than perfect. This study attempts to make a rotary table lock milling machines schaublin 13. The stages in this study are the study of literature, making work drawings, preparing tools and materials, and execution. Data obtained in the process of making the rotary table lock was analyzed qualitative descriptive. The results of this study are (1) there are several parameters that must be considered such as spindle rotation, feeding motion, and depth of cut, (2) the milling process must be carried out in accordance with the procedure to ensure the operator and engine safety, (3) the milling process must be carried out carefully so that the workpiece can match to the work drawings. Perseverance in the milling process is needed for maximum results]]>
<![CDATA[COMPARISON OF HINT WIND TINES OF AIRFOIL TYPE NACA 4412, NACA 23012, and NACA 16-212 USING QBLADE SOFTWARE ]]>
<![CDATA[Nurcholish Arifin Handoyono]]>;
<![CDATA[Abdul Ghofur Syamdatu Wardhana]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.6112
<![CDATA[Wind energy as one of the new renewable energies that has considerable potential in Indonesia is known by the rapid development of wind power plants in Indonesia. The windmill blade which is one of the main components of the windmill has a role as the conversion of wind potential energy into motion energy to eventually become electrical energy that is influenced by the shape of the windmill blade of the windmill. NACA (National Aeronautical Committee Advisory) in charge of aeronautics has standards regarding varying airfoil shapes. A comparison of variations of 4-digit type airfoils (NACA 4412), 5 digits (NACA 23012) and series 16 (NACA 16-212) to determine the value of Cl / Cd from the variation of NACA airfoil types. The results of simulations carried out using Qblade software showed that the value of Cl / Cd to the highest alpha of the three types of airfoils was NACA 4412 with a value of 134, alpha 6 and the Cp value for the highest TSR was 0.44 at TSR 5.5. Furthermore, the NACA 4412 airfoil blades can be developed by making lighter material variations so that the windmill blades are easier to spin so that the resulting power becomes more maximal.]]>
<![CDATA[CHARACTERISTICS OF EFFECTIVE VOCATIONAL EDUCATION IN THE INDUSTRIAL REVOLUTION 4.0. ]]>
<![CDATA[Irwanto Irwanto]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.6107
<![CDATA[Effective vocational education is a dream for students, especially the community and parties involved in vocational education. Vocational schools are required to graduate their students according to what is needed by the industry in the field. Vocational education is expected to collaborate with industry to jointly develop or develop curriculum so that there is no deviation between the SMK and the industry. The purpose of this study is to find effective and efficient vocational education indicators. The research method used is a qualitative research with a descriptive approach. The results of the study found in the characteristics of effective SMKs that are the basis for developing school performance indicators can be grouped into six aspects, namely: (1) Program for improving vocational student achievement; (2) Practice learning both theory and practice; (3) School leadership; (4) Staff development and development; (5) Environmental conditions and academic climate in SMK; and (6) The participation of parents in the administration of education. SMK Negeri 2 Kotif Palopo is one of the vocational schools in the field of technology that is professional in graduating students. In this case, the graduates of SMK Negeri 2 Kotif Palopo have been scattered everywhere, especially in local industries and large industries in Indonesia, especially in Makassar City and North Sulawesi.]]>
<![CDATA[TESTING OF THE SOLAR THERMAL COOKING PERFORMA OF THE ENERGY CONVERSION TECHNOLOGY CENTER AGENCY OF TECHNOLOGY ASSESSMENT AND APPLICATION ]]>
<![CDATA[Adam Prasetyo Nugroho]]>;
<![CDATA[Rivai Mustafa]]>;
<![CDATA[Mujahid Wahyu]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.6115
<![CDATA[Performance testing of solar thermal cooking. At the large institute of energy conversion technology, the body's assessment and application of technology. Practical Work. Serang: Mechanical Engineering Education, Faculty of Teacher Training and Education, Sultan Ageng Tirtayasa University, 2019. Solar thermal cooking is a technology that works by utilizing solar energy. This test uses observational methods, interviews, documentation and experiments, to determine the performance of solar cooking that is being developed by the Center for Energy Conversion Technology as a cooking aid to reduce or can replace firewood, LPG gas and electric stoves. The purpose of testing is the use of alternative energy that can be developed and possibly can be produced as a renewable technology. Conclusions testing for solar thermal cooking performance obtained data such as the highest radiation 930,211 W / m ^ 3 for the temperature 166⁰C these data as a result of the performance of solar cooking performance and the results of the temperature test produced on cooking reached> 80⁰C the temperature can pass the cooking conditions starting from boiling water, boiling eggs and so on.]]>
<![CDATA[DESIGN OF VOICE CONTROL SYSTEM AN ANDROID AND ARDUINO-ASSISTED AS A COMPONENT ACTIVATION ON VEHICLES ]]>
<![CDATA[Wachid Yahya]]>;
<![CDATA[Canggih Ajika Pamungkas]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.6117
<![CDATA[The purpose of this research was to design an Android and Arduino-assisted voice control system as a component activation on vehicles. The method in this study are; making initial design concepts, procuring tools and materials, manufacturing products, testing products, and analyzing product performance. The conclusion of this research is that this system has gone through the application design stage on android using MIT App Inventor 2 and making the program using Arduino IDE, and the last stage is product testing. The test results show that the application installed on an android smartphone is able to work properly. The design of the program on a microcontroller using Arduino was also successfully compiled. This voice control vehicle module achieves connectivity capability with bluetooth as far as 14 meters. Accuracy of voice commands in the range of 73-95%, this result was obtained using clear voice articulation according to acceptance in google speech and using good internet network connectivity. Able to activate and turn off vehicle door locks, hazard, alarm, and engine.]]>
<![CDATA[ANALYSIS OF FLAT PLATE COLLECTOR EFFICIENCY IN SOLAR WATER HEATER ]]>
<![CDATA[Galan Raditya Saputra]]>;
<![CDATA[Noor Fachrizal]]>
<![CDATA[ VANOS Journal of Mechanical Engineering Education Vol 4, No 1 (2019) ]]>
Publisher : <![CDATA[Universitas Sultan Ageng Tirtayasa ]]>
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DOI: 10.30870/vanos.v4i1.6116
<![CDATA[In Solar Water Heaters require collectors to absorb solar radiation. This absorbed radiation is useful for heating fluid (water) which is used to heat water for domestic use. To get the desired water temperature, the collector must meet certain criteria. In this test, conducted in the Testing Laboratory of Solar Water Heater B2TKE-BPPT for 3 days at 08.30 to 16.00 WIB using a flat plate collector covering an area of 2 m2 with a tank capacity of 150 liters, testing refers to SNI 3021-1992 1st edition. The data taken are Solar Radiation (W/m2), Ambient Temperature (T-amb), Temperature of Inlet Collector (T-in), Water Temperature Out of Collector (T-out) using the help of sensors that have been installed in accordance with the provisions and data generated will be managed via a computer every 30 minutes interval on an ongoing basis. This test, obtained results that the daily average of the efficiency of a flat plate collector of 2 m2 is 46.55%, which means that a solar panel is only able to absorb 46.55% of the solar radiation that illuminates the solar collector. For optimal results, testing should be carried out during clear weather so that collector efficiency can be achieved.]]>
