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All Journal Infotekmesin METAL : Jurnal Sistem Mekanik dan Termal Prosiding Seminar Nasional Teknologi Industri Berkelanjutan
Sukendro Broto Sasongko
Institut Teknologi Adhi Tama Surabaya
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Performansi Dehumidifier Pada Variasi Suhu Ruangan Dengan Waktu Pengujian Yang Berbeda Alfiyan Dwi Pamungkas; Sukendro Broto Sasongko
Prosiding SENASTITAN: Seminar Nasional Teknologi Industri Berkelanjutan Prosiding SENASTITAN Vol. 03 2023
Publisher : Institut Teknologi Adhi Tama Surabaya

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Abstract

Kelembapan adalah kandungan uap air dalam udara. Dalam kehidupan sehari-hari mahkluk hidup membutuhkan udara untuk bernafas sedangkan udara yang ada sekitar kita tidak selalu dalam kondisi baik untuk tubuh. Tingkat kelembapan udara yang tepat juga penting bagi kenyamanan dan kesehatan tubuh kita. Biasanya pada musim hujan terjadi peningkatan kelembaban udara disekitar yang dapat diukur dengan alat Hygrometer. Untuk memperbaiki kualitas udara yang kurang baik tersebut dapat dilakukan dengan metode dehumidifikasi. Yaitu pengurangan kelembapan uap air pada udara. Tujuan pembuatan dan pengujian alat Dehumidifier ini untuk mengontrol kelembapan udara agar kelembapan menjadi ideal yaitu 45% - 65% dan mengetahui kinerja alat pada pengujian dalam ruangandengan variasi waktu pada pengujian pagi (jam 07.00), siang (12.00), dan malam (19.00) selama satu jam pengujian. Penurunan kelembapan yang terbesar ada pada pengujian HFC 134a menurunkan kelembapan sebesar 12%. Sedangkan penurunan kelembapan terkecil ada pada pengujian R 410a hanya menurunkan 3% kelembapan. Sedangkan untuk COP terbesar pengujian didapat dengan HFC 134a mendapatkan COP 3,55 dan yang terkecil pengujian didapat dengan R 410a mendapatkan COP 2,71.
Efek Gangguan Aliran Dari Bukaan Katup Ekspansi Terhadap Performansi Alat Dehumidifer Andika Arda Pratama; Sukendro Broto Sasongko
Prosiding SENASTITAN: Seminar Nasional Teknologi Industri Berkelanjutan Prosiding SENASTITAN Vol. 03 2023
Publisher : Institut Teknologi Adhi Tama Surabaya

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Abstract

Kelembapan udara didalam ruangan yang tinggi menyebabkan gangguan kesehatan dan merangsang pertumbuhan jamur. Kelembaban udara yang tinggi perlu dikendalikan menggunakan alat dehumidifier. Penelitian ini menginvestigasi efek suhu udara bebas pada aliran udara menggunakan sebuah prototipe dehumidifier. Metode penelitian dilakukan secara quantitatif. Variasi bukaan katub ekspansi memberi gangguan pada refrigerant HFC134a dan R32. Running test debit air dari pengembunan udara dihasilkan dari variasi bukaan katup dan diukur setiap satu jam. Tekanan refrigerant diketahui melalui pressure gauge. volume air dari pengembunan udara ditampung di wadah penampungan air. Hasil penelitian menunjukkan bahwa refrigerant HFC134a menyebabkan proses kondensasi lebih baik dari hasil dengan efek refrigerasi dari R32. Bukaan katub pada saturan pipa kapiler efektif mempengaruhi tekanan cairan refrigerant; bukaan 180 derajat memberikan kontribusi yang signifikan pada performansi refrigerasi.
Simulation of Static Loading on the Automatic Folding Clothes Hanger by Using Autodesk Fusion 360 Sukendro Broto Sasongko; Agung Subekti
METAL: Jurnal Sistem Mekanik dan Termal Vol 8, No 1 (2024): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.8.1.14-20.2024

Abstract

Simulation of the static loading to the folding frame of the clothes hanger investigated by using Software Autodesk Fusion 360. The strength of the folding frame is important during hanging the clothes weight. The simulation of loading of wet clothes was by Autodesk Fusion 360 and performed in real life. The loads spread to three positions, which those locations investigated as critical locations. The locations are at short distance X1, medium X2, and far X3; the zeroing is from the wall. The simulation performs Von Misses procedure for the loading analysis. Thus, the result of the analysis responds to the external load at the joints of the structure. The loads are the weight of the wet clothes during drying time. The bar aluminum structure connects its parts using hinges. Simulation result obtains data of loading. Further, displacement analysis completes those data. The safety factor was at the frame loading simulation. That is, those data are in by Von Misses stress-strain analysis. The result reveals the effect of the frame loading. The process of loading 12 kg induces a safety factor 3.746, normal stress 73.42 Mpa, and a displacement of structure bar 6.452 mm. At loading 22 kg obtains the safety factor 2.038, maximum stress 134.9 Mpa, and the displacement 9.86 mm. Furthermore, loading 37 kg-load, the safety factor 1.21, prime stress enlarges 61.48 Mpa, and the displacement was larger by 10.97 mm. Therefore, the simulation result concludes the weight of clothes trends a linear effect on the loading of part joints. The frame structure is tough to the weight of dry clothes and safe, deformation of the bar is less than 10 % of normalizing for 37 kg-loading.
Analisa Economic Balance Pembuatan Alat Jemuran Pakaian Semi-otomatis Dengan Menggunakan Metode Lean Manufacturing Sukendro Broto Sasongko; Rivallulloh
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2231

Abstract

The analysis of the economic perspective of the cloth hanger semi-automatic by using the lean manufacturing method was studied and analyzed. The economic balance was consider all cost of manufacturing effort. the cost manufacturing of the hanger is to the device, material, cutting, and drilling steps thus assembly. The investigation is to the manufacturing lead time (MLT), and the brake event point (BEP). Production time per unit (TP), the effective work hour per man-hour, the production capacity (PC), and the Payback Period (PBP). The result of economic balances shows are manufacturing lead time (MLT) of 3,38 hours/unit, and BEP (Q) of 1,65 units per month, further, Break break-even point (BEP) is about Rp. 5.345.740,94 per month. So, the profit taking back regards to production capacity is about Rp. 24,672,650,48 per month after selling. The effective work hour of the man-hour is 6 per shift hour per day. Thus, production time reveals 44,92 min per unit. The production capacity per month is to be 8 hours per day and reveals 20 units. The payback period of the clothes hanger will take back after 2 months for more than 2 units sold. That is, the cost of the engine manufacturing will be refunded after 1 month during normal selling.
Co-Authors Agung Subekti Alfiyan Dwi Pamungkas Andika Arda Pratama Rivallulloh