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Analisis Kerusakan Kepala Silinder Blok Mesin Pada Kendaraan Jenis Minibus Kapasitas 1500 CC Ahmad Zayadi; Sungkono; Masyhudi
Jurnal Teknologi Kedirgantaraan Vol 8 No 2 (2023): Jurnal Teknologi Kedirgantaraan
Publisher : FTK UNSURYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35894/jtk.v8i2.79

Abstract

Four-wheeled vehicles are one of the commonly used modes of transportation. The vehicle engine has a cylinder head to place the valves and cooling mantle. Damage to the cylinder head will disrupt the engine's working system for a long time. The damaged  will take a long time for the repair process. The cylinder head is usually damaged at a milage of 80,000 km. The damage experienced by the cylinder head is the emergence of a rough sound in the engine, the mixing of cooling water into the combustion chamber and the temperature rises quickly, in this study a study will be conducted on the damage that occurs to the cylinder head. Based on the results of macrostructure testing, corrosion occurs due to engine cooling fluid, besides that there is a deposit that is very strong and corrosive to the cylinder head on the engine block, microstructure testing shows the presence of (black) deposits which are thought to affect the corrosion process, dendrite grains and rods in the microstructure do not change grain size. Based on the hardness test results show the hardness value of the damaged surface of 102.22 HV and the hardness value of the undamaged surface of 102 HV based on the damage to the engine block cylinder head is not caused by material deformation due to mechanical and thermal loads. The results of the chemical composition test of the cylinder head that was damaged decreased Al 1.1%, Si 0.11%, Cu 0.37, Fe 0.088% and Mg 0.081% and the decrease in the chemical composition of the constituent elements of the material was caused by the interaction of water with the surface of the cylinder head which was characterized by the formation of oxides of Al, Si, Cu, Fe, and Mg. Based on the test results, cylinder head damage is more due to lack of maintenance of the engine block.
Role of School Chairman Leader Ship in Implementing School Based Management in Fundamental Schools 20 Air Kumbang Sungkono; Harapan, Edi; Wardiah, Dessy
Jurnal Pendidikan Tambusai Vol. 5 No. 3 (2021): 2021
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v5i3.1795

Abstract

The principal as a leader in the school environment is not only obliged to carry out administrative duties but also concerns the task of how to manage all school programs. He must be able to lead and direct both administrative aspects and the educational process in his school. This study aims to determine and describe the role of principal leadership in implementing school-based management at SD Negeri 20 Air Kumbang. The method used is a qualitative method. Data collection techniques using observation, interviews and documentation. The results of this study can be concluded that the leadership of the principal at SD Negeri 20 Air Kumbang has fulfilled the characteristics as a principal by being able to lead his subordinates well, the principal is able to empower the school's resources in the school and the principal of SD Negeri 20 Air Kumbang has a very important role important in the successful implementation of SBM, especially in the areas of financial management and public relations management. The principal tries to implement SBM effectively and efficiently so that school goals can be fulfilled.
ANALISA PENGGUNAAN HEATER (PEMANAS) PADA SISTEM PENDINGIN DIESEL ENGINE TERHADAP KONSUMSI BAHAN BAKAR Azhar, Muhammad; Sungkono
INTEKNA Jurnal Informasi Teknik dan Niaga Vol 24 No 1 (2024): Jurnal INTEKNA, Volume 24, No. 1, Mei 2024
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/intekna.v24i1.2389

Abstract

Artikel ini menyampaikan perbedaan waktu dan jumlah konsumsi bahan bakar (fuel consumtion) yang dibutuhkan sebuah mesin untuk mencapai suhu kerja. Uji coba dilakukan pada generator set mesin diesel Caterpillar type C13 tanpa menggunakan pemanas, pemanas 500 watt, 1.000wattt, 1.500 watt, dan 2.354 watt. Pada pengujian ini menunjukkan bahwa penggunaan pemanas dengan daya 2.354 watt menghasikan 20% lebih efektif untuk melakukan pemanasan atau hanya membutuhkan waktu 20 menit untuk mencapai suhu optimal engine sebesar 810C - 84OC. Selain itu juga dapat mengurangi konsumsi bahan bakar atau fuel consumtion sebanyak 1,4 liter (20,9 %).
Analisis Kinerja Tungku Berbahan Bakar Bio-Briket Mandasini; Sungkono; Andi Pawennari; Ahiruddin
Journal of Chemical Process Engineering Vol. 1 No. 1 (2016): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v1i1.785

Abstract

Bio-briket merupakan bahan bakar padat yang terbuat dari campuran batubara dengan sekam padi, bahan bakar padat ini selanjutnya digunakan sebagai bahan bakar pengujian tungku bakar. Penelitian ini bertujan untuk mengetahui seberapa besar pengaruh laju alir udara, waktu dan temperature ruang  pembakaran terhadap  efisiensi thermal  yang  dapat  dicapai    oleh  tungku tersebut. Untuk itu perlu dicari penyelesaiannya dengan merancang system pembakaran berupa tungku bakar yang dilengkapi dengan alat instrument pengendali berupa thermokopel, flow meter dan neraca analitis, sehingga   variable seperti   laju alir udara, waktu, massa bahan bakar dan temperature pembakaran dapat terukur dengan akurat. Pada sistem pembakaran ini mula-mula laju alir udara dibuat konstan dan selanjutnya setiap interval waktu empat menit secara bersamaan temperatur ruang bakar, massa bahan bakar dan temperatur air di dalm panci dicatat, perlakuan ini dilakukan hingga air mencapai titik didinya yaitu 1000C, dengan prosedur yang sama, pembakaran diulangi dengan variasi laju alir udara yang lain (Lu): 0,06  ; 0,08  ; 0,1  (m/detik). Penelitian diperoleh variable laju alir udara 0,1 m/dtk, waktu pembakaran 12 menit dan  temperature ruang bakar 5100C serta efisiensi termal 47,11 % pada laju alir udara 0,1 m/dtk dalam waktu 10 menit
ANALISIS STRATEGI PENGEMBANGAN USAHA DALAM MASA ERA DIGITAL PADA UMKM CAFE SHAN’S JUICE KARAWANG Rini Nurhasanah Sujana; Sungkono
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 4 (2024): Agustus : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i4.2007

Abstract

Shan's Juice Micro, Small and Medium Enterprises (MSMEs) Shan's Juice is included in the culinary of beverages. In fact, this company faces difficulties in developing its business to remain competitive. In order for industrial operations to run well, strategic planning for business development must be made. Descriptive quantitative methods are used in this study to evaluate strengths, weaknesses, opportunities, and threats (SWOT). Once the SWOT analysis is complete, Market development strategies can be used to attract new consumers.
ANALISIS STRATEGI PEMASARAN UNTUK MENINGKATKAN DAYA TARIK PELANGGAN PADA UMKM SEMPRONG AMOUNDY KARAWANG Asaibe Dorlima Simatupang; Sungkono
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 4 (2024): Agustus : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i4.2010

Abstract

Micro, Small and Medium Enterprises (UMKM) are independent small businesses run by community groups or families. As an important part of the economy, especially in Indonesia, UMKM have an important role in encouraging the growth of the community's economy in various sectors, including trade, agriculture, industry, services and other sectors. This research uses qualitative descriptive data with the methods used, namely library research, field research and interviews. . This information was obtained directly from the UMKM tofu factory by conducting observations and surveys based on interviews with respondents. Secondary data is information obtained in ready-to-use form such as library research, literature, the internet and various media. The results of the research show that marketing strategies that focus on the use of social media, targeted local promotions, and collaboration with local communities are very influential in increasing brand awareness. and attract new customers. These findings provide valuable insights for Semprong Amoundy Karawang UMKM and similar UMKM in developing relevant and effective marketing strategies to expand market share and increase competitiveness in the local market.
Pengaruh Desain Kemasan Terhadap Keputusan Pembelian Pada Produk Kosmetik Somethinc Nur Agustin, Selvy; Dedi Mulyadi; Sungkono
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 4 (2024): Agustus : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i4.2011

Abstract

Industri kosmetik mengalami pertumbuhan global signifikan, meningkatkan persaingan antar merek untuk mempertahankan dan memperluas pangsa pasar. Desain kemasan telah menjadi alat pemasaran krusial, bukan hanya sebagai wadah fisik tetapi juga untuk menarik perhatian konsumen, membangun identitas merek, dan memengaruhi keputusan pembelian. Somethinc, yang dikenal dengan produk kosmetik inovatif dan berkualitas, menghadapi tantangan dalam memahami dampak desain kemasan terhadap perilaku konsumen di pasar yang kompetitif. Penelitian ini mengkaji pengaruh desain kemasan terhadap keputusan pembelian konsumen terhadap produk Somethinc. Dengan pendekatan kuantitatif, studi ini mengambil sampel dari 100 konsumen produk perawatan kulit Somethinc dari Universitas Buana Perjuangan Karawang. Data yang dikumpulkan melalui kuesioner skala Likert dianalisis menggunakan Structural Equation Modeling (SEM) dengan SmartPLS. Temuan menunjukkan bahwa desain kemasan secara signifikan mempengaruhi keputusan pembelian (R Square = 0,642), menjelaskan 64,2% variasi perilaku konsumen. Elemen visual seperti warna, bentuk, dan grafis berperan penting dalam membentuk preferensi konsumen. Meskipun fokus pada sampel tertentu dan pengabaian faktor potensial, penelitian ini menyoroti pentingnya desain kemasan dalam strategi pemasaran, dengan saran untuk meningkatkan keunggulan kompetitif Somethinc di pasar kosmetik.
PENGARUH KUALITAS PRODUK TERHADAP KEPUTUSAN PEMBELIAN PADA PRODUK SKINTIFIC DI KALANGAN MAHASISWA UNIVERSITAS BUANA PERJUANGAN KARAWANG Nabila Nur Hayati Fadhilah; Sungkono
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 4 (2024): Agustus : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i4.2033

Abstract

This research aimls to analyze the influence of product quality on purchasing decisions for Skintific products amlong students at Buana Perjuangan University, Karawang. Product quality includes various aspects such as effectiveness, safety of use, and the ingredients used. This research uses quantitative mlethods with randoml samlpling techniques, involving students who have used Skintific Skincare products. Data was collected through surveys and analyzed using simlple linear regression. The research results show that product quality has a significant influence on students' purchasing decisions. This research provides insight into student preferences and purchasing behavior in the context of Skintific products, as well as the imlportance of product quality in influencing purchasing decisions.
EVALUASI KINERJA KEUANGAN MITRA BRILINK DALAM MENDORONG PERTUMBUHAN USAHA MIKRO KECIL DAN MENENGAH (UMKM) Ayu Wandira; Sungkono; Dedi Mulyadi
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 4 (2024): Agustus : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i4.2044

Abstract

Penelitian ini menganalisis efektivitas strategi pemasaran PT. Bank Rakyat Indonesia, Tbk. (BRI) melalui layanan BRILink dalam mendukung pertumbuhan usaha mikro, kecil, dan menengah (UMKM). Dengan memanfaatkan layanan keagenan BRILink, BRI memperluas jangkauan layanan perbankan ke daerah pedesaan yang sebelumnya sulit dijangkau. Penelitian menggunakan metode analisis kuantitatif dengan fokus pada mitra BRILink yang telah beroperasi minimal satu tahun dan memiliki volume transaksi signifikan. Responden meliputi mitra BRILink dan pemilik UMKM yang menggunakan layanan BRILink. Data dikumpulkan melalui wawancara dan peramalan data masa lalu selama dua tahun, dianalisis menggunakan pendekatan deskriptif. Hasil penelitian menunjukkan bahwa model bisnis BRILink berkontribusi signifikan dalam meningkatkan aksesibilitas layanan perbankan, efisiensi operasional, serta pengelolaan keuangan UMKM. Layanan BRILink juga memberikan peluang bagi masyarakat desa untuk mendapatkan penghasilan tambahan dan memberdayakan ekonomi lokal. Studi ini menyoroti pentingnya inovasi dalam strategi pemasaran perbankan untuk meningkatkan kepuasan dan kepercayaan nasabah, serta mendorong minat pembelian.
PENGARUH MOTIVASI DAN DISIPLIN KERJA TERHADAP KINERJA KARYAWAN PADA CV USAHA BERSAMA” Nadia Septiani; Sungkono
JOURNAL SAINS STUDENT RESEARCH Vol. 2 No. 4 (2024): Agustus : Jurnal Sains Student Research
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v2i4.2067

Abstract

“This research aims to determine the influence of motivation and work discipline on employee performance at CV Usaha Bersama. Motivation (internal and external) and discipline (obedience and responsibility) are factors that are considered important influencing performance. The research was conducted on all 32 employees using a saturated sampling technique. The regression results show the equation: (Y = 3.837 + 1.450X1 + 0.062X2 + e), which indicates that work motivation (X1) and work discipline (X2) have a positive influence on performance. Partially, work motivation has a significant effect, while work discipline has no significant effect on performance. However, simultaneously both have a significant influence on performance. The coefficient of determination of 0.482 or 48.2% shows that the contribution of motivation and work discipline to employee performance reaches 48.2%, while happiness is influenced by other factors”.