Browsing by Author "Abdullah, Mikrajuddin"

Now showing items 1-8 of 8

    • Curling evolution of suspended threads replicates 2D self-avoiding walk phenomena and 1D crystallization process 

      Rahmayanti, Handika Dany; Munir, Rahmawati; Sustini, Euis; Abdullah, Mikrajuddin (IOP Science, 2019-01-04)
      The conformation evolution of threads that fall freely after being released from varying altitudes was investigated and compared to behaviors generated by other well-known fundamental physical processes. It was observed ...

    • Investigation of mechanical properties for Non-Homogeneous by image tracking method 

      Munir, Rahmawati; Rahmayanti, Handika Dany; Amalia, Nadia; Utami, Fisca Dian; Viridi, Sparisoma; Abdullah, Mikrajuddin (Elsevier, 2021-02-26)
      We have investigated new approach to predict mechanical properties for non-homogeneous materials. The investigation used copy paper 100 gsm as sampling object using image tracking method and based on bending of cantilever ...

    • Kajian Struktur Serat dan Porositas Masker Udara 

      Rahmayanti, Handika Dany; Rahmawati; Sustini, Euis; Abdullah, Mikrajuddin (Jurnal Fisika Unnes, 2018-06-05)
      There are 6 brands of air masks on the market that are Evo med, Nexcare carbon, Nexcare daily, Indomaret, Borma and Evo club. All masks on the market have 3 layers. Based on the results of microscopy testing showed that ...

    • Karakterisasi Sifat Mekanik Benang Wol dan Benang Kasur 

      Rahmayanti, Handika Dany; Munir, Rahmawati; Sustini, Euis; Abdullah, Mikrajuddin (Jurnal Fisika Unnes, 2019-07-11)
      Kajian mengenai karakteristik sifat mekanik benang merupakan hal yang sifatnya sederhana namun penting dilakukan demi berkembangnya penelitian mengenai serat dan benang. Pada penelitian ini digunakan dua jenis benang di ...

    • Penggunaan Image Tracking untuk Pengukuran Sifat Mekanik pada Kertas 

      Munir, Rahmawati; Rahmayanti, Handika Dany; Amalia, Nadia; Viridi, Sparisoma; Abdullah, Mikrajuddin (Jurnal Fisika Unnes, 2019-07-11)
      Berbagai metode karakterisasi telah digunakan untuk memahami sifat mekanik bahan dengan menggunakan metode yang canggih atau metode paling sederhana. Pada penelitian ini dikembangkan metode sederhana untuk menghitung modulus ...

    • A Preliminary Study for Simple Physics Models of Coconut Tree 

      Munir, Rahmawati; Rahmayanti, Handika Dany; Amalia, Nadia; Utami, Fisca Dian; Viridi, Sparisoma; Abdullah, Mikrajuddin (IOP Science, 2019)
      An investigation of how coconut palm tree withstands gale force winds has been performed. When observed carefully, the motion of the stalks and leaves affected the wind resistance. The stalks and leaves move randomly ...

    • A Study of Physical and Mechanical Properties of Nata de Coco in the Market 

      Rahmayanti, Handika Dany; Amalia, Nadia; Munir, Rahmawati; Yuliza, Elfi; Utami, Fisca Dian; Sustini, Euis; Abdullah, Mikrajuddin (IOP Science, 2019)
      Nata de coco is a bacterial cellulose produced by Acetobacter xylinum in the process of fermenting coconut water. It is renowned for its high fiber content. The chewiness of nata de coco is proportional to the fiber content. ...

    • TiO2 Photocatalytic Degradation of Methylene Blue Using Simple Spray Method 

      Utami, Fisca Dian; Rahman, Dui Yanto; Margaretta, Desyana Olenka; Rahmayanti, Handika Dany; Munir, Rahmawati; Sustini, Euis; Abdullah, Mikrajuddin (IOP Science, 2019)
      The present work focused on the effects of TiO2 in degrading organic wastewater. Technical TiO2 of anatase crystalline phase was used. TiO2 photocatalyst showed a powerful result in destroying organic effluent. Spray coating ...