Claim Missing Document
Check
Articles

Found 32 Documents
Search

Development and Performance Evaluation of a Micro-Scale RDF Briquette–Fueled Steam Power Prototype Syarifah; Latricia Aina Hidayat; Rini Yunita Sari; Jerry Maratis; Andri Krisna Hidayat; Pawenary; Hendri
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.3007

Abstract

Plastic waste is a major environmental problem in Indonesia due to its non-biodegradable nature. One innovative solution is converting waste into energy using Refuse-Derived Fuel (RDF) briquettes for small-scale power generation. This research designed and tested an RDF-based micro power plant prototype using briquettes composed of 80% dry organic biomass and 20% plastic for safe and stable combustion. The prototype consists of a combustion chamber, heat exchanger, impulse-type micro steam turbine driven by low-pressure steam, and a 12V low-speed DC generator. Performance was evaluated through temperature, voltage, current, power output, and efficiency measurements. The highest performance was achieved using 500 g of RDF, producing 0.02 A, 0.7 V, and 0.014 W at 135°C over 20 minutes, with an efficiency of 2.69×10⁻⁶%. Although efficiency was very low, the study demonstrates proof-of-concept feasibility and provides a baseline for future optimization of thermal and energy conversion efficiency.
Hubungan Organizational Culture, Transformational Leadership terhadap Job Performance Karyawan melalui Job Satisfaction pada PT X Ega Elicia; Muniroh; Pawenary; Gilang Pratama Hafidz
Arus Jurnal Sosial dan Humaniora Vol 6 No 1: April (2026)
Publisher : Arden Jaya Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57250/ajsh.v6i1.2362

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh organizational culture dan transformational leadership terhadap job performance karyawan dengan job satisfaction sebagai variabel mediasi pada sub-sektor pengelola kawasan industri. Menggunakan metode kuantitatif dengan teknik purposive sampling terhadap 130 karyawan tetap, data dianalisis menggunakan Structural Equation Modeling berbasis Partial Least Squares (SEM-PLS). Hasil penelitian menunjukkan bahwa organizational culture merupakan faktor yang paling dominan dan memiliki kontribusi paling besar dalam memengaruhi tingkat kepuasan kerja serta pencapaian kinerja karyawan dibandingkan variabel lainnya. Temuan ini mengonfirmasi bahwa job satisfaction berperan sebagai mediator krusial yang menghubungkan efektivitas organizational culture dan transformational leadership dalam mendorong produktivitas kerja. Implikasi dari penelitian ini menegaskan bahwa perusahaan pada sub-sektor pengelola kawasan industri harus memprioritaskan penguatan nilai-nilai, norma, dan praktik kerja yang konsisten untuk menciptakan lingkungan kerja yang stabil dan produktif bagi sumber daya manusia dalam jangka panjang.