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2 articles for “Charkha”

• Published Subscription 9 Mar 2023

  Solar Charkha Retrofit

  By S Irfan Sadaq, D Srinivas Rao, Mohammed Viquar Mohiuddin

  Abstract: Hand operated charkha is used to make thread from cotton. It is sensitive work and involves great deal of care and effort to spin the charkha wheel manually during thread extrusion. Charkha operation causes physical strain and fatigue in long run. Abrupt spinning creates thread knots and breakage thus results poor quality and cotton wastage. Large number of people board on this khadi profession to make their meager earnings and …

  Published in Trends in Machine design · Vol. 9, Issue 3, 2022 · pp. 23–28 Read article →

• Published Open access Review Article Special issue 6 Aug 2024

  Enhanced Sensitivity Iontronic Pressure Sensor Gauge Using Laser-Created Micro-Pyramid Structures for Wide Linear Range

  By Dr. Amit S. Chaudhary, Dr. Bhuvaneshwar D. Patil, Dr. Kishor B. Waghulde, Dr. Rupesh V. Bhortake, Mohini Kolhe, Rakesh Roshan, Narayan P. Sapkal, Pranav Charkha

  Abstract: The achievement of high sensitivity, ultrahigh pressure resolution, and great linearity across a wide pressure range under huge pressure preloads remains a challenge despite the substantial development of flexible capacitive pressure sensors. Here we offer an ultrathin ionic layer-integrated microstructure creation process that is configurable. At 1700 kPa, the sensor's linear range sensitivity is 33.7 kPa-1; at 2000 kPa, the pressure resolution is 0.00725%, and the detection limit is 0.36 …

  Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 107–118 Read article →