{"id":3634,"date":"2026-04-27T19:34:16","date_gmt":"2026-04-27T12:34:16","guid":{"rendered":"https:\/\/smed.petra.ac.id\/?post_type=faculty-post&#038;p=3634"},"modified":"2026-04-27T19:34:16","modified_gmt":"2026-04-27T12:34:16","slug":"perancangan-dan-pengujian-lensa-fresnel-pada-kolektor-surya-plat-datar","status":"publish","type":"faculty-post","link":"https:\/\/smed.petra.ac.id\/zh\/faculty-post\/perancangan-dan-pengujian-lensa-fresnel-pada-kolektor-surya-plat-datar\/","title":{"rendered":"Perancangan dan Pengujian Lensa Fresnel pada Kolektor Surya Plat Datar"},"content":{"rendered":"<p>Energi matahari dapat dikonversikan menjadi energi termal dengan menggunakan kolektor<br \/>\nsurya maupun menjadi energi listrik dengan menggunakan sel surya\/photovoltaic. Radiasi<br \/>\nmatahari bersifat menyebar, sehingga memerlukan pengumpul atau pengarah agar lebih fokus.<br \/>\nAda banyak penelitian yang menggunakan lensa Fresnel untuk mengumpulkan radiasi matahari<br \/>\npada sel surya. Sedang penelitian lensa Fresnel pada kolektor surya masih terbatas sebagai<br \/>\nconcentrator. Makalah ini membahas perancangan dan pemakaian lensa Fresnel sebagai<br \/>\npenutup pada suatu kolektor surya plat datar. Lensa Fresnel komersial hanya memiliki 1 titik<br \/>\nfokus, maka langkah pertama penelitian adalah merancang lensa Fresnel dengan enam titik<br \/>\nfokus. Jarak focus dirancang agar radiasi matahari jatuh ke plat penyerap pada jarak 90 mm dari<br \/>\nlensa Fresnel. Bahan yang digunakan adalah PMMA Polymethyl methacrylate (acrylic) dan<br \/>\npembuatan profil lensa menggunakan proses tekan. Lensa Fresnel yang dihasilkan berhasil<br \/>\nmemiliki titik fokus 90 mm. Lensa Fresnel yang dihasilkan dipasang sebagai penutup pada<br \/>\nkolektor surya plat datar. Hasil yang didapat adalah temperatur plat penyerap dengan lensa<br \/>\nFresnel lebih tinggi daripada dengan acrylic polos yang sebenarnya lebih bening. Temperatur<br \/>\nmaksimum di kiri atas plat penyerap dengan lensa Fresnel dapat mencapai 1.42 kali lebih tinggi<br \/>\ndaripada temperatur yang dihasilkan oleh acrylic polos. Temperatur cairan di inlet dan dalam<br \/>\ntangki pada kolektor surya yang menggunakan lensa Fresnel lebih tinggi daripada temperatur<br \/>\ncairan di kedua lokasi yang sama yang menggunakan acrylic polos.<\/p>","protected":false},"author":25,"featured_media":0,"template":"","class_list":["post-3634","faculty-post","type-faculty-post","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Perancangan dan Pengujian Lensa Fresnel pada Kolektor Surya Plat Datar - Sustainable Mechanical Engineering and Design<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/smed.petra.ac.id\/zh\/faculty-post\/perancangan-dan-pengujian-lensa-fresnel-pada-kolektor-surya-plat-datar\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perancangan dan Pengujian Lensa Fresnel pada Kolektor Surya Plat Datar - Sustainable Mechanical Engineering and Design\" \/>\n<meta property=\"og:description\" content=\"Energi matahari dapat dikonversikan menjadi energi termal dengan menggunakan kolektor surya maupun menjadi energi listrik dengan menggunakan sel surya\/photovoltaic. 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