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All Journal Jurnal MEKANIKAL Voteteknika (Vocational Teknik Elektronika dan Informatika) Seminar Nasional Teknik Kimia Kejuangan JURNAL ILMIAH MATEMATIKA DAN TERAPAN AkMen JURNAL ILMIAH SAWERIGADING JURNAL PUSAKA : Media Kajian dan Pemikiran Islam JOURNAL OF INFORMATICS AND COMPUTER SCIENCE Jurnal Riset Teknologi Industri Jurnal Riset Mahasiswa Dakwah dan Komunikasi (JRMDK) Asian Journal of Science Education Jurnal Pendidikan Jasmani dan Adaptif (JPJA) Proceeding International Seminar of Islamic Studies Jurnal Ilmiah Berkala: Sains dan Terapan Kimia Jurnal Ekonomi Pertanian Unimal Jurnal Al-Qayyimah Jurnal Teknik Mesin Sinergi Journal of Islamic Education : The Teacher of Civilization
Mustafa Mustafa
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Physics Social Sciences Other

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VARIASI MEDIA PENDINGIN PADA THERMOELETRIC GENERATOR YANG MEMANFAATKAN PANAS BUANG AIR CONDITIONER Mustafa Mustafa; Muhammad Hasan Basri; Reyhan Kiay Demak
Jurnal MEKANIKAL Vol 9, No 2 (2018): Jurnal Mekanikal Juli 2018
Publisher : Jurnal MEKANIKAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.081 KB)

Abstract

Panas buang pada air conditioner merupakan energy berkualitas rendah yang terbuang cuma-cuma ke lingkungan, kalor yang terbuang tersebut dapat dimanfaatkan untuk memanaskan modul thermoelektik generator (TEG) akan tetapi modul tersebut perlu didinginkan pada sisi lainnya agar tercipta perbedaan temperature pada kedua sisi modul.Pada penelitian ini dilakukan eksperimen dengan memanfaatkan dua media pendingin yaitu air dan refrigerant yang keluar dari evaporator pada sebuah heat exchanger tipe liquid plate yang besrfungsi sebagai heat sink.Hasil pengujian menunjukkan kinerja terbaik didapatkan pada media refrigerant dimana open circuit voltage (Voc) dan Short circuit current (Isc) yang dihasilkan dari 10 modul yang disusun seri adalah 9,31 Volt dan 270.8 mA dengan selisih temperature 21.08 oC, dan pada media pendingin air Voc 7,5 Volt , Isc 200,2 mA dengan selisih temperature 17,5 oC Kata Kunci: Air Conditioner, Thermoelectric generator, media pendingin, air, refrigerant
ANALISIS SAMBUNGAN BATANG TARIK PADA STRUKTUR BAJA RINGAN DENGAN VARIASI KONFIGURASI SEKRUP Hasrianto Hasrianto; Awal Syahrani Sirajuddin; Mustafa Mustafa; Kristian Selleng
Jurnal MEKANIKAL Vol 10, No 1 (2019): Jurnal Mekanikal Januari 2019
Publisher : Jurnal MEKANIKAL

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Abstract

Penelitian ini bertujuan untuk mengetahui perilaku kegagalan sambungan batang tarik dengan variasi konfigurasi sekrup, pengaruh kekuatan geser sambungan batang tarik pada struktur baja ringan. Variasi konfigurasi yang digunakan antara lain : diagonal, vertikal, horizontal terhadap arah beban tarik. Sedangkan spesimen uji menggunakan bahan baja ringan. Metode pengujiannya dengan menggunakan pengujian tarik. Pengujian di laksanakan di ruangan uji bahan Teknik Mesin Universitas Tadulako.Hasil penelitian diperoleh tahap kegagalan sambungan pada ketiga konfigurasi memiliki kesamaan, dimana semuanya mengalami kegagalan jungkit, awalnya sekrup berotasi miring dan merusak permukaan pelat (tilting), kemudian lubang pada pelat akibat gaya yang terus menerus bekerja pada sekrup (hole bearing), dan sekrup terangkat tapi masih dapat menahan beban tarik (pull over). Kegagalan jungkik terjadi akibat sekrup tidak memiliki tahan geser yang kuat seperti halnya mur pada sistem sambungan baut sehingga kepala sekrup berotasi menekan ujung pelat hingga terjadi jungkit dan di barengi juga dengan kondisi bahan yang sangat tipis. Kegagalan sambungan yang diawali dengan jungkit sangat di tentukan oleh faktor tumpuannya. Perbandingan nilai Nt aktual  konfigurasi II dan III lebih besar dari pada Nt aktual  konfigurasi I. Antara ketiga konfigurasi itu, menghasilka nilai Nt aktual lebih besar daripada Nt teoritis. Konfigurasi III lebih besar 11% daripada konfigurasi II dan lebih besar 17% daripada nilai yang dihasilkan oleh konfigurasi I. Konfigurasi II lebih besar 7% terhadap konfigurasi I.Kata Kunci : Baja Ringan, Sambungan batang tarik, Variasi konfigurasi sekrup.
PENGARUH VARIASI MASSA REFRIGERAN R410A PADA SISI LOW STAGE TERHADAP KINERJA MESIN PENDINGIN CASCADE Muhammad Hasan Basri; Mustafa Mustafa; Khairil Anwar
Jurnal MEKANIKAL Vol 5, No 1 (2014)
Publisher : Jurnal MEKANIKAL

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Abstract

Abtract: The effect of R410 Refrigerant Mass Variation of The Low Stage Side on Performance of Cascade Engine Cooling. The aim of this research is to determine the effect of changes in the mass variation of refrigerant R410A in the Low - Stage Cooling on the coeficient of performance of the cascade refrigeration. The benefits of this research is to contribute valuable knowledge in the field of refrigeration, especially in the areas of health, agriculture and fisheries. The research method used is to perform testing or direct observation of the cascade refrigeration by replacing the stuffing or the mass of refrigerant in the low - stage of cascade system. Variation of refrigerant mass is 180, 190 and 200 gram. Any variations were observed mass of the pressure and temperature at a predetermined test points. The results showed that at the same time the rising in cooling capacity of the machine cascade with increasing refrigerant mass speed. With a mass of 180 gram showed a significant increase in weight compared to other masses, where a higher cooling capacity kW at 0.39 and coefficient of performance is 1.23.   Keywords :  Mesin refrigerasi, cascade, refrigeran R410A
BUNGA MENDOWE: CERITA RAKYAT NASSENREMPULU DAN PENGARUHNYA DALAM KEHIDUPAN Mustafa Mustafa
JURNAL PUSAKA Vol. 4 No. 2 (2017): Edisi 8
Publisher : LP3M IAI Al-Qolam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.6084/ps.v4i2.85

Abstract

Bunga Mendowe is one of the literary works of the Massenrempulu community that is loaded with values and concepts of life delivered orally from generation to generation. This paper describes one type of local legend literary works. The story tells about life in the community especially the issue of marriage that is not based on love and the consequences of leaving the wife for so long time. This story is so much more interesting to be flavored with supernatural so that it is interesting to read and digest. In addition, the story can be a material advice and learning for children and grandchildren to avoid misguidance. The theory used is Levi-Strauss-based theory which is exemplified by Ahimsa in the book Structuralism of Levi-Strauss Myth and Literary Works on Pitoto 'si Muhammad'. The result found indicates a structured relationship between elements in the story and social conditions in society. Keywords: Folklore, Story structure, Social relationship
ANALISIS GETARAN KOMPOSIT SERAT KACA-MATRIKS EPOKSI DENGAN METODE ELEMEN HINGGA Mustafa Mustafa
JURNAL ILMIAH MATEMATIKA DAN TERAPAN Vol. 7 No. 2 (2010)
Publisher : Program Studi Matematika, Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/2540766X.2010.v7.i2.132

Abstract

This  aim  of  the  study  was  to  analyze  the  natural  frequency  ( n )  of  fiberglass  reinforced  polymer composite beams. The study used the finite element method for numerical analysis. For the numerical analysis, the beam was divided into 5 elements. The supports used were a cantilever with the material of fiberglass reinforced polymer composite in the form of beam with length of 1 m, width of 0.03 m, and thickness of 0.02 m. Composite material consisted of two compositions, i.e : 5% fiber glass and 95% matrix epoxy; 20% fiber glass and 80 % matrix epoxy. The devices used in the study was a computer with matlab program. The results of the study for natural frequency analysis with 5% fiberglass:  nmax  = 23334 rpm,  nmin  = 2625 rpm, whereas with 20% fiberglass:  nmax = 34033 rpm,  nmin  = 3829 rpm. The value  of  natural  frequency  ( n )  obtained  20  %  fiberglass  was  greater  than  the  value  obtained  5% fiberglass.
PENGARUH PENGGUNAAN METODE PICTORIAL RIDDLE TERHADAP HASIL BELAJAR DASAR LISTRIK DAN ELEKTRONIKA SISWA SMK NEGERI 1 LEMBAH MELINTANG PASAMAN BARAT Mustafa Mustafa; Legiman Slamet; Nelda Azhar
Voteteknika (Vocational Teknik Elektronika dan Informatika) Vol 6, No 1 (2018): Januari - Juni 2018
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/voteteknika.v6i1.10420

Abstract

The problem in this study is the low average learning outcomes of learners on Electrical and Electronics Elementary subjects is under the Minimum Criteria of completeness (KKM) that has been established SMK Negeri 1 Lembah Melintang is 75. This study aims to determine the influence of the use of Pictorial Riddlemethod with Cooperative learning on student learning outcomes in Electrical and Electronics Elementary subjects in class X TAV SMK Negeri 1 Lembah Melintang. This type of research is experimental research with Postest Only Control Design. The research sample is XTAV2 class as experiment class using Pictorial Riddle Method and XTAV1 class as control class using Cooperative learning. Technique of collecting data from final test in experiment class and control class, then analyzed for homogeneity test, normality test and hypothesis test. From the experimental class research results obtained an average value of 83.22, while the control class get an average value of 75.83. Result of hypothesis calculation at significant level α = 0,05 got tcount> ttable that is 3,2> 1,674, because big tcount of ttable, null hypothesis (H0) rejected and alternative hypothesis (H1) accepted. Can be concluded mean at the real level, this research shows that, there is influence of positive student learning result between the use of Pictorial Riddle Method with Cooperative learning on Electrical and Electronics Elementary subjects in class X TAV SMK Negeri 1 Lembah Melintang Pasaman Barat. Then the Pictorial Riddle Method is better compared to direct learning.Keywords: Riddle Pictorial Method, Cooperative Learning, Learning Outcomes, Experiments, Controls.
EFEKTIFITAS GAYA MENGAJAR LATIHAN DAN RESIPROKAL TERHADAP HASIL BELAJAR SERVIS ATAS BOLA VOLI PADA SISWA DI SMP NEGERI 97 JAKARTA Tisen Tisen; Mulyana Mulyana; Mustafa Mustafa
Jurnal Pendidikan Jasmani dan Adaptif (JPJA) Vol 1 No 01 (2018): Jurnal Pendidikan Jasmani dan Adaptif, Volume 1, No. 1, Mei 2018
Publisher : Program Studi Pendidikan Jasmani Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpja.v1i1.7224

Abstract

This study aims to find out which style is more effective between the teaching style of training and the reciprocal teaching style to the learning outcomes of the volleyball. In the respondents conducted the initial test and then followed by giving treatment in the form of learning with practice teaching style and reciprocal ending by giving the final test. For 6 weeks (12 meetings) Samples taken using Random Sampling of 30 samples. Instrument research using top service learning test results. Preliminary test data on volleyball on the training force and reciprocal style was obtained by standard error of difference between two mean (SE_ (MX-MY)) = 1.03, the value makes t_ (count) obtained = 0.321. Then the result of the calculation is tested with table on degrees of freedom (dk) = (N + N) -2 = (15-15) -2 = 28 and the level of α = 0.05 obtained the critical value t_table = 2,001. Thus t_count is smaller than t_table (0.321 <2.048). Based on the results of the analysis, H00 is accepted and H_1 is rejected or the hypothesis stating there is no difference between the initial test results of the volleyball service result in the exercise style group and acceptable reciprocal style. Thus it can be concluded that two groups to be given a volleyball service treatment using the exercise style and reciprocal style, each having the basic ability to serve the same top. The effectiveness of the teaching-learning style of the upper average service learning outcomes (M_D) = 6.86, the value of t_count of = 20.78. If compared with t_table, it turns out bigger than t-table of 2,145 on trust α = 0,05 and degrees free 14. Effectiveness of reciprocal teaching style to service learning outcomes on volleyball obtained average value M_D = 11,13 , T_count of 30.91. If compared with t_table it turns out that the result is bigger than t_table of 2.145 on trust α = 0.05 and degrees of freedom 14. The final test result data on volleyball in the group of training style and reciprocal style obtained standard error of difference between two mean (SE_ (MX-MY)) = 1.07, the value makes t_ (count) obtained by 4,265. Then the result of the calculation is tested with t_tabel on degrees of freedom (dk) = (N + N) -2 = (15 + 15) -2 = 28 and level a = 0.05 obtained the critical value t_table = 2.048. Thus t_count is greater than t_table (4,265> 2,048). It can be concluded that the teaching style of training and reciprocal is effective against the learning outcomes of volleyball at the students of SMP Negeri 97 Jakarta who follow the learning of pearl on the top service material. And the reciprocal teaching style is more effective than the teaching practice style of the students' learning outcomes on volleyball at SMP Negeri 97 Jakarta.
Sistem Informasi Geografis Berbasis Web untuk Pemetaan Sebaran Alumni Fakultas Ilmu Komputer Universitas Ubudiyah Indonesia Muttaqin Muttaqin; Mustafa Mustafa
JOURNAL OF INFORMATICS AND COMPUTER SCIENCE Vol 4, No 2 (2018): Oktober 2018
Publisher : Ubudiyah Indonesia University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33143/jics.Vol4.Iss2.857

Abstract

Abstrak— Pendataan dari Penyebaran alumni kurang terdata dengan baik, pihak manajemen belum menyediakan suatu sistemyang dapat mewadahi interaksi antara Fakultas Ilmu Komputer (FIKOM) Universitas Ubudiyah Indonesia (UUI) denganalumninya. Alumni merupakan salah satu dari indikator dalam penilaian akreditasi sebuah lembaga pendidikan, makadipandang perlu untuk melakukan pemetaan terhadap sebaran alumni. Sehingga banyak alumni berdasarkan kelompoksebarannya mulai dari tingkat kecamatan, kabupaten serta tingkat propinsi masih belum terpetakan dengan baik, denganadanya sebaran pemetaan ini nantinya terlihat jelas sejauh mana alumni dari FIKOM tersebar. Berangkat dari permasalahanini penulis ingin membuat suatu Sistem Informasi Geografis Berbasis Web untuk Pemetaan Sebaran Alumni Fakultas IlmuKomputer Universitas Ubudiyah Indonesia dengan harapan nantinya dapat digunakan sebagai sarana untuk silaturahmi sertamengetahui posisi dari setiap alumni berada. Sistem mampu memberikan informasi tentang Pemetaan Sebaran AlumniFakultas Ilmu Komputer Universitas Ubudiyah Indonesia persebaran alumni, hal ini terlihat dalam aplikasi yang ditampilakanmelalui SIG. Sistem dapat digunakan untuk menganalisa dari sebaran alumni dengan catatan seluruh data terinput denganlengkap. Hasil yang dikeluarkan dari sistem adalah berupa peta lokasi dari setiap sebaran para alumni yang dapat dilihatberdasarkan kategori yang hendak diketahui diataranya, provinsi, kabupaten/kota, persentase tahun lulusan, profesi darialumni tersebut. Jumlah total alumni yang telah dilahirkan oleh FIKOM dari lulusan mulai dari tahun 2010 sampai dengantahun 2015 adalah sebanyak 374 orang.Kata kunci: Pemetaan, SIG, FIKOM, alumni,UUI
REFLEKSI KEJUJURAN MASYARAKAT BUGIS DALAM PAPPASENGNA TO MACCAE RI LUWU SIBAWA KAJAO LALIQDONG RI BONE (Honesty Reflection of Buginese Society in ”Pappasengna To Maccae ri Luwu sibawa Kajao Laliqdong ri Bone”) Mustafa Mustafa
SAWERIGADING Vol 20, No 3 (2014): Sawerigading
Publisher : Balai Bahasa Sulawesi Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (998.355 KB) | DOI: 10.26499/sawer.v20i3.44

Abstract

Pappasengna To Maccae ri Luwu sibawa Kajao Laliqdong Bone is one of the classic oral literary of Buginese society conveyed by symbols. Will/advices implied still could be applied and preserved in Buginese society.It uses library research or literary study and dialectics discussions, as well as pragmatic and sociology ofliterary approachs. The data is collected and then analyzed. Data collection is done by library and fieldresearch. Will/advices are useful as a mean of education that could guide and find out the essence of humanexistence. The results of this study indicate that each person should be honest, good, and it is important thateach individual should always tell the truth, behave well, and keep promises, respect other’s rights, admitmistakes, avoid dissapointing others. Besides that, it also implies that each person must keep tongue, heart,and behavior of bad deeds.
Distribusi Konsentrasi COD dan TSS pada Pengolahan Limbah Tahu dengan menggunakan Reaktor Alir Pipa Sitti Sahreni; Harjanto Harjanto; Mustafa Mustafa; Musdalifah Musdalifah; Firman Firman
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Liquid waste in tofu industry has the COD and TSS values that exceed the environmental quality standards.The high value of COD and TSS liquid waste in tofu industry is caused by the high organic level.The organic content from tofu industry can be lowered by a fermentation process using a reactor.This study is conducted to investigate the effect of the reactor’s length to the decreasing level of COD and TSS liquid waste of tofu industry with fermentation method using cow intestines as starter.This research was conducted by varying the sampling length of the reactor’s flow pipe from 20 cm, 40 cm, 60 cm, and 80 cm.The process was done within 45 days and a loading rate of 0.8 L/5 days.Based on the results of the research, time and sampling length affect the % of the decreasing level of COD and TSS.The fermentation process using flow pipe reactor enables the COD to get lower, up to 98.57% with the COD value of 196 mg/L at 80 cm sampling length on day 45, while the TSS can be lowered up to 77.38% with TSS value of 38 mg/L at 80 cm sampling length on day 45. The values of COD and TSS have met the environmental quality standards based on the number 02 of2011 East Kalimantan provincial.
Co-Authors Abd. Rasyid Syamsuri Alwathan Alwathan Andi Idhan Andri Santoso Awal Syahrani Awal Syahrani Sirajuddin Danny Syamsu W Delmus Puneri Salim Devi Andriyani Firman Firman Frisca Safitri Mangkuto HARJANTO HARJANTO Hasmin Tamsah Hasrianto Hasrianto Jamhari Jamhari Kristian Selleng Legiman Slamet Mattalatta Mattalatta Muh Irwan Muh. Yusuf Muhammad Hasan Basri Muhammad Sadat Hamzah Mulyana Mulyana Musdalifah Musdalifah Muttaqin Muttaqin Nelda Azhar Nur Afni Muslimin Nur Asiska Nur Khairina Hidayatika Oktavianus Oktavianus Ramli Thahir Reyhan Kiay Demak Sitti Sahreni Syarifuddin Oko Tarmizi Tarmizi Tisen Tisen