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Desain LNG Storage Tank dan Sistim Refrigerasinya untuk Mobil Berbahan Bakar Gas Rudianto Rudianto; Anis Mustaghfirin Muh.; Mahardhika Pekik
Proceedings Conference on Marine Engineering and its Application Vol 1 No 1 (2018): Conference on Marine Engineering and its Application
Publisher : Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/cmea.v1i1.813

Abstract

LNG or liquified natural gas is gas that used as fuel in industrial sector. LNG gas has critical point -1180C. But when it’s used on cramped vehicle, it’s needed special cryogenic tank to keep LNG temperature. Therefore,it needs to be designed LNG storage tank in gas- fuelled car with PV elite software. Previous research has already been conducted on the LNG- fuelled truck. This study purpose to created a tank design support equipment and cascade refrigeration system with LMTD method. This tank was made to save and survive the existance of LNG fuel. The design calculation result of refrigeration system has obtained 4 stage cascade system.Refrigerant used is 134a, Ethane, methane, and Ethylane. Cooling load is very small 28,77 Watts, so can be used small compressor 1/10 PK.The heat exchanger design are obtained at stage bottom-up use ¼ in copper pipe wuth a leght 8,5 cm, 8,51 cm, 11,53 cm, and 18,58 cm. And capillary pipe design is obtained frome bottom-up stage with diameter 0, 26 in, 0,31 in, 0,33 in, 0,31 in, and 0,59 in with lenght 3,8 m, 1,2 m, 1,4 m, 1,9 m, and 4,6 m.
Pengaruh Edukasi Latihan Star Excursion Balance Test (SEBT) Terhadap Penguatan Stabilitas Ankle pada Pemain Sepak Bola SSB Mandiri Medan Jhon Roby Purba; Theresia Anggriani H; Tuty Swarni Sinaga; Indra Alamsyah; Rudianto Rudianto
Jurnal Mahasiswa Ilmu Kesehatan Vol. 1 No. 2 (2023): April : Jurnal Mahasiswa Ilmu Kesehatan
Publisher : STIKes Ibnu Sina Ajibarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59841/jumkes.v1i2.3096

Abstract

Ankle injuries are among the most common injuries experienced by adolescent soccer players, often caused by poor stability and neuromuscular control. Ankle instability not only affects athletic performance but also increases the risk of recurrent injuries. One effective preventive and rehabilitative approach is dynamic balance training, such as the Star Excursion Balance Test (SEBT). This study aimed to analyze the effect of education and SEBT exercises on ankle stability enhancement in U-15 soccer players at SSB Mandiri Medan. This research employed a pre-experimental design with a one-group pre-test and post-test approach, involving 20 male participants aged 13–15 years. The SEBT training program was conducted for four weeks, with a frequency of three sessions per week. Ankle stability was measured using reach distances in all eight directions of SEBT and the Cumberland Ankle Instability Tool (CAIT) questionnaire. Data were analyzed using a paired t-test to compare pre- and post-intervention results. The findings showed a significant improvement in SEBT reach scores (p < 0.05) and increased CAIT scores, indicating enhanced functional ankle stability. These results suggest that structured education and SEBT training can serve as an effective strategy for injury prevention and performance enhancement in young soccer athletes.
The Effect of Competence Work Motivation and Nurse Quality On The Inpatient Service Quality At Bandung Adventist Hospital Jacqueline Makanoneng; Rudianto Rudianto; Sediatmoko Sediatmoko; Marisi Pakpahan; Mardi Siswoyo
Harmony Management: International Journal of Management Science and Business Vol. 1 No. 4 (2024): December: International Journal of Management Science and Business
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/harmonymanagement.v1i4.36

Abstract

Increasingly tight hospital competition forces hospital management to continue to improve the quality of service, inpatient installation is a facility used by patients for more than 24 hours, so it will greatly affect patient satisfaction, therefore it is important for hospitals to ensure that nurse competence, and Nurse Quality who get work motivation can help hospitals to improve the quality of service. This study aims to analyze the effect of competence, work motivation and Nurse Quality partially and simultaneously on the quality of service. This study uses a quantitative analysis method conducted on 74 nurses at the Inpatient Installation of Advent Hospital Bandung in September 2024, data was collected using a questionnaire that had been tested for validity and reliability which was then processed using SPSS software. The results of this study indicate that partially and simultaneously nurse competence, work motivation and Nurse Quality have a significant and positive effect on the quality of service at the Inpatient Installation of Advent Hospital Bandung.
Influence Of Merit System Implementation and Employment Relationson Employee Performance at The Bandung Advent Hospital Ambarwati Ambarwati; Freddy J. Rumambi; Dwi Hernuningsih; Rudianto Rudianto; Marisi Pakpahan; Yopi J. Kameo
Harmony Management: International Journal of Management Science and Business Vol. 1 No. 4 (2024): December: International Journal of Management Science and Business
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/harmonymanagement.v1i4.39

Abstract

The Merit System is an approach that emphasizes employee assessment based on abilities, achievements, qualifications and work results carried out fairly. Work relationships include interactions between employees with both colleagues and superiors. The Merit System will run well followed by a person's work relationship running harmoniously so that a person will have a commitment to work well. A person's performance is categorized as performing well in accordance with the targets/standards set by the company. This research aims to analyze the effect of implementing the merit system and employment relations on employee performance at Bandung Adventist Hospital. The research method used was quantitative research with descriptive analysis with 89 employee respondents. The results of this research show that the implementation of the merit system does not have a significant effect on employee performance, while work relationships have a significant effect on employee performance. The combined effect of the implementation of the merit system and work relations on employee performance has a significant effect of 18.2%. From this data it can be concluded that implementing a merit system in accordance with Law No. 5 of 2014 and working relationships that have good communication can improve employee performance.
Menata Ruang Hijau di Tengah Kawasasan Industri Gerakan Penghijauan Desa Kareo Melalui Program BIVIT Rudianto Rudianto; Siti Aulia Nurmedina; Ahmad Rizky Widodo; Maryati Maryati; Nadya Septiani; M. Raffa Al Ghifran; Anisa dwi Paramita
Nusantara: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 4 (2025): November: NUSANTARA Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/nusantara.v5i4.6736

Abstract

Desa Kareo, Serang Regency, faces environmental challenges due to the dominance of industrial activities, resulting in a lack of green spaces and increased air temperatures. This situation prompted the implementation of a greening program as a form of community service to support the improvement of the village's environmental quality. The program was carried out using a participatory approach, involving residents in identifying critical land areas, planting seedlings (BIVIT), and post-planting maintenance. Greening efforts focused on open lands, roadside areas, and public facilities that were previously barren. The results showed an improvement in the visual comfort of the environment, a reduction in barren areas, and increased community participation in preserving the plants. These findings confirm that locally collaborative greening initiatives have significant potential to restore environmental quality, especially in areas heavily impacted by industrial activities. Reforestation efforts focused on previously barren open spaces, roadsides, and public facilities. These previously unproductive lands now serve as green spaces that provide ecological benefits, such as carbon sequestration and improved air quality. Furthermore, tree planting has a positive impact on lowering local temperatures, a crucial issue given the increasing temperature levels associated with urbanization and industrial activity. The reforestation program demonstrated significant improvements in environmental visual comfort, a reduction in barren areas, and increased community participation in caring for the planted plants. The community members involved in the program demonstrated a sense of ownership of their environment and a commitment to maintaining the sustainability of the planted plants. These findings confirm that reforestation initiatives involving local collaboration have significant potential to restore environmental quality, particularly in areas impacted by industrial activity. With this program, it is hoped that the quality of life of the Kareo Village community will improve as the ecological balance in the area is maintained.
Evaluation Of The Flipped Learning Program In Improving Students' English Proficiency At Lembaga Bahasa LIA Cibinong Rhinomuraena Murtoaji Abikusno; Sri Sundari; Auderey G. D. Tangkudung; Marisi Pakpahan; Rudianto Rudianto
Management Dynamics: International Journal of Management and Digital Sciences Vol. 1 No. 4 (2024): October : International Journal of Management and Digital Sciences
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/managementdynamics.v1i4.19

Abstract

This study analyzesthe effectiveness of the flipped learning program in enhancing the English language proficiency of students at LembagaBahasa LIA Cibinong. Using a descriptive qualitative approach, the study adopts the Kirkpatrick evaluation model, which includes four aspects: student reactions, the learning process, behavior change, and the final outcomes of the program implementation. Data were collected through observation, interviews, and documentation, and analyzed through stages of condensation, presentation, and conclusion drawing. The subjects of the study involved the branch manager, academic staff, instructors, as well as students from LIA Cibinong and Jalan Baru, with the study being conducted from May to July 2024. The results of the study show that the implementation of flipped learning received positive feedback from students, increased active participation in class discussions, and developed critical thinking skills. Students also reported improvements in their English skills, particularly in speaking, listening, and vocabulary acquisition. Although challenges such as self-motivation and technological limitations still exist, the program has proven effective in enhancing the quality of learning and students' social skills. Classroom observation evaluations confirmed a consistent improvement in students' language skills. Additionally, the program had a positive impact on the institution's business growth. In conclusion, flipped learning has been shown to be an effective method and is worth further development atLembaga Bahasa LIA Cibinong. Recommendations for further development include optimizing learning motivation through gamification, improving the quality of materials, enhancing facilities, and providing additional training for teachers to maximize the potential of this method. 
The Effect of Work Motivation, Work Discipline and Compensation on Employee Performance in the Customer Care Unit of Bandung Adventist Hospital Anita Sukmawati; Rudianto Rudianto; Dwi Hernuningsih; Freddy Johannis Rumambi; Marisi Pakpahan
Global Management: International Journal of Management Science and Entrepreneurship Vol. 1 No. 4 (2024): November : International Journal of Management Science and Entrepreneurship
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/globalmanagement.v1i4.31

Abstract

Employee performance, particularly in the customer care department, is crucial as all aspects of hospital care related to patient experience. Effective and responsive interactions can enhance patient satisfaction, build trust, and create a supportive environment that aids the healing process. Additionally, customer care employees serve as a bridge between patients and medical staff, ensuring that patients' needs and inquiries are addressed with distinction. Therefore, it is essential for hospital management to maintain employee performance by providing work motivation, discipline, and appropriate compensation. This study aims to analyze the partial and simultaneous effects of work motivation, work discipline, and compensation on improving employee performance in the Customer Care Department of Bandung Adventist Hospital. This descriptive quantitative research was conducted with 30 customer care employees at Bandung Adventist Hospital in early September 2024. The findings indicate that work motivation and compensation do not significantly affect employee performance according to the data analysis, whereas work discipline has a significant impact on employee performance. However, when considered together, work motivation, work discipline, and compensation collectively have a significant effect, accounting for 44.1% of the variance. From this data, it can be concluded that maintaining work motivation, discipline, and compensation together can help sustain employee performance in the Customer Care Department of Bandung Adventist Hospital.
Pelatihan Pembuatan Konten Kreatif sebagai Upaya Peningkatan Engagement Konsumen di Media Sosial Rudianto Rudianto; Heny Hidayati; I Nyoman Tri Sutaguna; Ita Nurcholifah; Nurul Saila
CivicAction: Jurnal Pengabdian dan Inovasi Masyarakat Vol. 1 No. 3 (2025): Artikel Pengabdian Kepada Masyarakat
Publisher : SORATEKNO PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59696/civicaction.v1i3.216

Abstract

Permasalahan engagement yang rendah pada platform media sosial menjadi tantangan signifikan bagi bisnis dalam era digital saat ini. Banyak usaha, khususnya usaha kecil dan menengah, belum memiliki pemahaman mendalam tentang strategi pembuatan konten yang efektif untuk meningkatkan interaksi konsumen. Persoalan ini menjadi krusial mengingat media sosial telah menjadi saluran pemasaran utama bagi komunikasi brand dan pembangunan hubungan dengan audiens target. Oleh karena itu, pengabdian kepada masyarakat ini dirancang dengan tujuan utama meningkatkan kapasitas dan keterampilan pelaku usaha dalam mengembangkan konten yang kreatif, relevan, dan mampu mendorong engagement yang lebih tinggi di berbagai platform media sosial. Metode yang digunakan dalam kegiatan ini mencakup pendekatan pelatihan interaktif melalui workshop tatap muka dan sesi pendampingan berkelanjutan. Peserta diberikan pengetahuan teoritis tentang prinsip-prinsip content marketing, psikologi konsumen digital, dan analisis perilaku audiens, diikuti dengan praktik langsung dalam membuat konten visual, copywriting, dan strategi posting yang terukur. Evaluasi dilakukan melalui pre-test dan post-test untuk mengukur peningkatan pemahaman, serta analisis metrik engagement sebelum dan sesudah implementasi konten. Hasil kegiatan menunjukkan peningkatan signifikan dalam pemahaman peserta tentang strategi konten kreatif, dengan rata-rata peningkatan skor pengetahuan sebesar 65 persen. Implementasi konten yang telah dilatihkan menghasilkan peningkatan engagement rate rata-rata sebesar 48 persen dalam kuartal pertama pasca-pelatihan. Kesimpulannya, pelatihan pembuatan konten kreatif terbukti efektif sebagai solusi untuk memberdayakan pelaku usaha dalam memanfaatkan potensi media sosial guna meningkatkan visibilitas brand dan interaksi dengan konsumen secara signifikan.