Heat Transfer Investigation in Natural Fibers Insulation for Steam Pipes Application

Aragaw Tadie Alamnia, Olawale Samuel Fatoba, Tien Chien Jen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

The main goal of this study was to investigate the heat transfer in natural insulation made from sisal fiber, banana fiber, sheep wool, and rice husk ash that can be used for steam water pipes. The preparation of Sheep Wool Rice Husk Ash (SWRHA), Sisal Fiber Rice Husk Ash (SFRHA), and Bananas Fiber Rice Husk Ash (BFRHA) and Air gap insulation were done. Heat loss through pipes from asbestos insulation was prevented by comparing SWRHA, SFRHA, and BFRHA with an air gap. Steel pipes had a 63 mm internal diameter and a 1-meter length. The length (1.1 m) and diameter of pipe insulation are the same (172 mm). On the other hand, the pipe thicknesses of BFRHA, SFRHA, SWRHA, and Asbestos insulation had 80 mm, and 106 mm respectively. The maximum thermal conductivity of sisal fiber, sheep wool, banana fiber, and rice husk ash were (0.045, 0.044, 0.094, and 0.4) W/mK respectively. The maximum and minimum heat loss of BFRHA, SFRHA, SWRHA with air gap and asbestos insulation were (225.132, 223.38, 222.33, and 1328.271) kWh/yr, and (41.70, 52.56, 19.71, and 46.428) kWh/yr, respectively. For a unit length pipe at 90°C, the maximum energy saving of BFRHA, SFRHA, SWRHA with air gap and asbestos insulate was (244.708, 242.804, 241.602, and 1443.772) kWh/yr, irrespectively. Therefore, as the result indicated, the performance of BFRHA, SFRHA, and SWRHA with air gap is better than that of asbestos insulation. The result also showed that SWRHA with air gap insulation was better and cost-effective option than other insulating materials.

Original languageEnglish
Title of host publication2022 IEEE 13th International Conference on Mechanical and Intelligent Manufacturing Technologies, ICMIMT 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages211-216
Number of pages6
ISBN (Electronic)9781665484008
DOIs
Publication statusPublished - 2022
Event13th IEEE International Conference on Mechanical and Intelligent Manufacturing Technologies, ICMIMT 2022 - Virtual, Online, South Africa
Duration: 25 May 202227 May 2022

Publication series

Name2022 IEEE 13th International Conference on Mechanical and Intelligent Manufacturing Technologies, ICMIMT 2022

Conference

Conference13th IEEE International Conference on Mechanical and Intelligent Manufacturing Technologies, ICMIMT 2022
Country/TerritorySouth Africa
CityVirtual, Online
Period25/05/2227/05/22

Keywords

  • Bananas Fiber Rice Husk Ash (BFRHA)
  • Sheep Wool Rice Husk Ash (SWRHA)
  • Sisal Fiber Rice Husk Ash (SFRHA)
  • heat loss
  • rice husk ash (RHA)
  • thermal conductivity

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Artificial Intelligence
  • Computer Science Applications

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