Design and development for amelioration of primary water flow standard and calibration systems

Shiv Kumar Jaiswal, Chatar Singh, Sanjeet Kumar, Anshul Varshney, Shanay Rab Shanay Rab, Sanjay Yadav

Research output: Contribution to journalArticlepeer-review

Abstract

The present study outlines the efforts made to improve national primary water flow standards and calibration systems through design and development. The facility has been designed and developed in accordance with ISO 4185 standard in the flow range 0.03 m3/h to 650 m3/h to calibrate various types of flow meters up to DN200 (Nominal diameter) using 12 kg, 300 kg, 3000 kg, and 6000 kg weighing systems. In the flow range up to 530 m3/h, the expanded uncertainty in flow meter calibration in totalized mode is found to be ±0.01% to ±0.025% (k = 2), whereas it is ±(0.03–0.05) % (k = 2) up to DN200 size (test rigs) for mass flow rate (MFR) and volume flow rate (VFR) in the flow range 0.1 m3/h to 650 m3/h. The measurement uncertainty achieved is comparable to that of state-of-the-art water flow measurement capabilities available at numerous National Metrology Institutes (NMIs). Thus, the present designed and developed system at CSIR-National Physical Laboratory (CSIR-NPL) is a solution to maintain traceability to the users and industries.

Original languageEnglish
Article number102201
JournalFlow Measurement and Instrumentation
Volume86
DOIs
Publication statusPublished - 22 Jun 2022

Bibliographical note

Funding Information:
The authors are thankful to Director, CSIR-National Physical Laboratory, New Delhi. The authors express their gratitude towards Dr. Ranjana Mehrotra and Dr. A K Bandyopadhyay, Former Heads, Physico-Mechanical Metrology Division, CSIR-National Physical Laboratory for their support and encouragement. The authors are also thankful to the Council of Scientific and Industrial Research (CSIR) for granting funds to CSIR–National Physical Laboratory under the MIST project (PSC-0111) for the completion of this research work.

Funding Information:
The authors are thankful to Director, CSIR-National Physical Laboratory, New Delhi. The authors express their gratitude towards Dr. Ranjana Mehrotra and Dr. A K Bandyopadhyay, Former Heads, Physico-Mechanical Metrology Division, CSIR-National Physical Laboratory for their support and encouragement. The authors are also thankful to the Council of Scientific and Industrial Research (CSIR) for granting funds to CSIR–National Physical Laboratory under the MIST project ( PSC-0111 ) for the completion of this research work.

Publisher Copyright:
© 2022 Elsevier Ltd

Keywords

  • Calibration
  • Diverter timing error
  • Flow rate
  • Fluid
  • Measurement uncertainty
  • Metrology

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