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All Journal Journal of Applied Science, Engineering and Technology (J. ASET)
Mudin, Hatimi
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Modified Thermoelectric Coolers (TEC) Peltier Plate for Outdoor Activities with Rechargeable Battery using Solar Panel Zakaria, Liana Fairuz; Mudin, Hatimi; M Nor, Fethma
Journal of Applied Science, Engineering and Technology Vol. 1 No. 1 (2021): June
Publisher : INSTEP Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (478.618 KB) | DOI: 10.47355/aset.v1i1.11

Abstract

Thermoelectric cooler box was designed with the purpose of cooling with thermoelectric cooler (TEC) Peltier plate as a cooling medium. The objective of this project was to invent a cooler box that is suitable for outdoor activities. The thermal conductivity which is to measure the ability of the material to conduct heat in each layer inside the thermoelectric cooler box was identified for heat transfer analysis. Thermoelectric cooler box can be operated with a 12V battery or 12V DC power supply. The battery power can be charged using a 20W solar panel (if the battery power is drained out), with the condition that there should be heat radiation to generate electricity. Thus, no additional cost is needed on ice cubes whereby previously it requires more ice cubes to maintain the cold temperature inside the cooler box. By using a Peltier plate, the cooling hours inside can reach up to 100,000 hours with a maximum of 12 can of beverages stored inside the cooling box. Based on literature reviews, conduction and convection resistance between each layer of materials inside the cooler box play an important role to ensure heat is transferred inside the box. The heat sink also helps to ensure heat dissipation before flowing into the cooler box. In this design, a total of 56 kW of heat can be transferred from the box to keep the cooler box cool with the minimum temperature 15.6°C within a period of 35 minutes.
Design of Modified Chicken Feather Retractor Machine Mudin, Hatimi; Bagu, Chicha; Nor, Fethma M
Journal of Applied Science, Engineering and Technology Vol. 1 No. 2 (2021): December
Publisher : INSTEP Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (461.884 KB) | DOI: 10.47355/aset.v1i2.17

Abstract

The demand for poultry products is seen increasing from year to year. This is a good thing for local chicken entrepreneurs. But the task of plucking chicken feathers is time-consuming and tiring. The production of machines to help simplify the process of removing chicken feathers is seen as a necessity for these small and medium industrial entrepreneurs. This is why we focus on producing chicken feather retractor machines (CFRM) that are capable of processing up to five chickens at once. This machine is portable and easy to move around and supported by four wheels that can be locked to ensure stability. This machine can perform effectively to remove feathers using friction concept between the chicken and the plucker fingers rubber which attached around the drum. The machine also environmentally friendly by filtering the feather from scattered everywhere and only allow water to come out. The result shows that this machine operates under the motor powered with 115.13 rpm with the rotating plate area is 0.166 m2 and drum volume of 0.158 m3. This machine managed to remove the feathers of up to five chickens within 30 seconds to 60 seconds.
Co-Authors Bagu, Chicha M Nor, Fethma Nor, Fethma M Zakaria, Liana Fairuz