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All Journal Nursing News : Jurnal Ilmiah Keperawatan Jurnal Ilmu dan Inovasi Fisika
Fitriyani, Elsa
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Computer Science & IT Electrical & Electronics Engineering Energy Environmental Science Health Professions Materials Science & Nanotechnology Nursing Public Health

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Gaya Kepemimpinan Transformasional Leadership Kepala Ruangan Berhubungan Interprofessional Collaboration Perawat Fitriyani, Elsa; Febriani, Nelly
Nursing News : Jurnal Ilmiah Keperawatan Vol 9, No 1 (2025): EDISI APRIL
Publisher : Tribhuwana Tunggadewi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/nn.v9i1.3129

Abstract

Transformational leadership style is very effective in improving interprofessional collaboration in hospitals by providing a clear vision, encouraging open communication, valuing each profession, facilitating interprofessional meetings, and ensuring continuous development, transformational leaders can create a collaborative and productive work environment. The purpose of the study was to determine the relationship between the transformational leadership style of the head of the room in improving team collaboration in the inpatient room of Khidmat Sehat Afiat (KISA) Hospital, Depok City.This study used a quantitative method with a chi-square correlation test with a cross-sectional approach. Sampling using Accidental sampling sample amounted to 108 employees.The results data obtained through the Multifactor Leadership Questionnaire, Assessment of Interprofessional Team Collaboration Scale (AITCS) obtained that there is a significant relationship between the transformational leadership style of the head of the room with the level of team collaboration p-value 0.002. It is expected that future researchers will develop data by expanding the population, adding variables and different measuring instruments. It is also expected that the hospital will develop a transformational leadership training program for the head of the room to improve team performance
Analysis of Air Preheater Effectiveness using The Number Transfer Unit (NTU) Method Before and After Overhaul of Unit 2 of The West Java Palabuhan Ratu PLTU Fitriyani, Elsa; Nurhilal, Otong; Setianto, Setianto
JIIF (Jurnal Ilmu dan Inovasi Fisika) Vol 10, No 2 (2026)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jiif.v10i2.71545

Abstract

The air preheater (APH) is a heat exchanger component that plays a crucial role in improving boiler combustion efficiency through the reuse of hot exhaust gases. Continuous use of the APH at the Jabar 2 Palabuhan Ratu PLTU can lead to a decline in performance, characterized by reduced heat transfer effectiveness. To restore APH performance, an overhaul was performed, including cleaning and replacing the elements. The analysis was based on actual operating data by comparing pre- and post-overhaul conditions at nearly equivalent loads using the NTU-effectiveness method, as well as calculating the effect of O₂-based air leakage. The results showed that the overhaul improved the APH's performance. Under pre-overhaul conditions with a load of 333.86 MW, the effectiveness value was 85.04%, increasing to 87.72% at a load of 329.75 MW after the overhaul. At a load of 336.98 MW, the effectiveness increased from 85.68% to 87.30% at a load of 346 MW after the overhaul. At a load of 284.33 MW, the effectiveness increased from 85.82% to 87.10% at a load of 282.99 MW after the overhaul. Furthermore, the air leakage value decreased from 13.54% to 11.47% after the overhaul.
Co-Authors Febriani, Nelly Otong Nurhilal Setianto Setianto