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All Journal Motor Bakar : Jurnal Teknik Mesin Indonesian Journal of Digital Business
Muhammad Safiq
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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ANALISIS LAJU PERPINDAHAN PANAS MENYELURUH PADA RADIATOR MOTOR ORIGINAL EQUIEPMENT MANUFACTURE (OEM) TERHADAP RACING Yafid Effendi; Muhammad Safiq
Motor Bakar : Jurnal Teknik Mesin Vol 1, No 2 (2017): Motor Bakar : Jurnal Teknik Mesin
Publisher : Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (572.364 KB) | DOI: 10.31000/mbjtm.v1i2.728

Abstract

Tujuan penelitian ini adalah menganalisis laju perpindahan panas ( ) pada radiator OEM (Original Eqiuepment Manufacture) dan radiator Racing. Spesifikasi radiator Racing : fin pitch 2,5 , tube pitch 8,5 , tube / row x row (19x1) , sedangkan pada radiator OEM : fin pitch 2,5 , tube pitch 10 , tube / row x row (12x1)  Radiator adalah alat penukar panas yang digunakan untuk memindahkan energi panas dari satu medium ke medium lainnya yang tujuannya untuk mendinginkan maupun memanaskan. Jenis aliran radiator dibedakan menjadi 2 yaitu Down Water Flow Radiator dan Cross Water Flow Radiator. Elemen-elemen radiator seperti Tube, Tanki, Filler Neck, Fin, Pipa, Heade plate, Side Plate. Kesimpulan yang diperoleh dari perhitungan heat exchanger (Radiator) yang terpenting adalah luas dari pada sarang core tingi x lebar x tebal = H x W x T mm yaitu core pada radiator Racing (200 x 168 x 23) mm dengan total luas permukaan core ( ) 1,140  maka laju perpindahan kalor menyeluruh ( ) yang terjadi sebesar 2821 , sedangkan core pada radiator Original Equiepment Manufacture (OEM) (198 x 128 x 24) mm dengan total luas permukaan core ( ) 0,913  maka laju perpindahan kalor menyeluruh ( ) yang terjadi sebesar 2259  dengan Gap 562 . Penuruna suhu water (∆T Water) yang terjadi pada radiator Racing sebesar 0,58 °  serta pada radiator OEM sebesar 0,46 °  maka Gap yang diperoleh dari perbandingan adalah 0,12 ° .
The Effect of Social Media Marketing Through Brand Awareness on Brand Loyalty on Instagram @digitalbusiness.upi Muhammad Safiq
Indonesian Journal of Digital Business Vol 3, No 2 (2023): Indonesian Journal of Digital Business
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijdb.v3i2.57733

Abstract

University of Education Indonesia also opened a Digital Business Study Program, which not only conducts conventional socialization, but also through social media Instagram @digitalbusiness.upi, however, based on engagement data from the Instagram account @digitalbusiness.upi has decreased by 70.3%, on the other hand the Digital Business Study Program competitors from other universities who also use social media marketing. This study uses a quantitative descriptive analysis method which then the data is obtained from distributing questionnaires using a non-probability sampling method with purposive sampling. So that the sample used was 180 students of the Digital Business Study Program. The data analysis used is descriptive and inferential data analysis techniques using Partial Least Square (PLS) with SmartPLS 3.2.9 software. The results of this study indicate (1) Brand awareness has a positive and significant effect on brand loyalty with a path coefficient of 0.527. (2) Social media marketing has a positive and significant effect on brand awareness with a path coefficient of 0.562. (3) Social media marketing has a positive and significant effect on brand loyalty with a path coefficient of 0.364. (4) Social media marketing has a positive and significant effect on brand loyalty through brand awareness with a path coefficient of 0.296. Social media marketing and brand awareness have a contribution of 62.10% in influencing brand loyalty, while the remaining 37.90% is influenced by other variables.
Co-Authors Yafid Effendi