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ORIGINAL PAPER
Experimental Investigation of the Thermal Behavior of Semi-Solid Materials
1
Technical Engineering College, northern technical university
2
Technical Engineering College, Northern Technical University, Iraq
3
College of Petroleum and Mining Engineering, University of Mosul, Iraq
These authors had equal contribution to this work
Submission date: 2025-03-22
Final revision date: 2025-04-23
Acceptance date: 2025-07-01
Online publication date: 2025-09-02
Publication date: 2025-09-02
Corresponding author
Ayad Suleiman Abdallah
Technical Engineering College, Northern Technical University, Al Rawda Street, 10011, Mosul, Iraq
Technical Engineering College, Northern Technical University, Al Rawda Street, 10011, Mosul, Iraq
International Journal of Applied Mechanics and Engineering 2025;30(3):87-96
KEYWORDS
TOPICS
ABSTRACT
In recent years, the problem of solid waste has increased due to the growing population and its needs and solid waste disposal is a severe and widespread problem in both urban and rural areas in many developed and developing countries. Waste recycling is one of the effective solutions to clean the environment. The aim of this study is to obtain useful materials such as thermal insulation from recycled waste such as sawdust, paper waste and PVC plastic waste. Fumed silica is a well-known material used in thermal insulation industries. This research will use fumed silica as a reference to compare the thermal conductivity of other materials with. In addition, the results of the study showed a clear effect of temperature on the thermal conductivity of the various materials studied. Also, all samples in this work do not have a specific geometric shape and can be inserted between two walls to reduce heat loss in various applications such as buildings and solar thermal collectors. Also, the density of the waste materials included in this study it is low, so it is possible to make light thermal insulators using. The results, also showed that the thermal conductivity of sawdust is similar to that of fumed silica, which may lead to the ability to mix it and reduce the cost of fumed silica.
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