Published: 2025-05-29

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ปก กองบรรณาธิการ

บทความวิจัย (Research Article)

The The properties of EPS mortar materials produced by hot mixing process

Sirikanya Laosuwan, Wechsawan Lakas, Nutapong Hirano, Praopun Asasuppakit, Sermsak Pongmesa

1-12 Doi : 10.14456/jei.2025.16

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The effect of number of fireflies and number of iterations on the firefly algorithm for optimum design of reinforced concrete deep beams

Assanai Tapao

13-24 Doi : 10.14456/jei.2025.17

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THE The Application of UAV Photogrammetry for Pile Eccentricity and Cut off Level s Inspections

Narong Poonpotmas, puttipong sudjamnong

25-32 Doi : 10.14456/jei.2025.18

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Enhancing efficiency in powdered pigment raw material warehouse management using the AppSheet program: a case study of a plastic industry company

Worathep Treewichit , thaloeng poljaroen, Youngyut Srisawat

33-44 Doi : 10.14456/jei.2025.19

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Assessing the efficacy of original equipment manufacturer (OEM) intravenous infusion sets for infusion pumps: a comprehensive performance analysis

Anuchit Nirapai, Anantasak Wongkamhang, Suparat Panpoklang, Manaporn Chatchumni

45-54 Doi : 10.14456/jei.2025.20

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Time and temperature of cockle shell catalyst on the effective case depth in the Pack carburizing process

Manote Rithinyo, Phumboon Poltang , Pongsak Nachaikong , Sombut Noyming

55-65 Doi : 10.14456/jei.2025.21

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The design and construction of a communication system with a microcontroller used for an electric vehicle charger rated at 7.40 kW

Tanut Aekkeurkul , chaiporn addoddorn, Nitikom Ariyapim

66-79 Doi : 10.14456/jei.2025.22

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Combine cooling heating and power generation using Organic Rankin Cycle and absorption chiller from coal-fired power plant waste heat

Napon Chaimongkol, Thoranis Deethayat, Tanongkiat Kiatsiriroat

80-91 Doi : 10.14456/jei.2025.23

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Design and develop an equipment for lower-limb muscle’s rehabilitation

Buratsakorn Chantharatsamee, กลางเดือน โพชนา, Pichet Trakarnchaisiri, Kunlapat Thongkaew

92-100 Doi : 10.14456/jei.2025.24

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Comparison of bias correction methods for general circulation rainfall projections under CMIP6 climate change scenarios

Raweepohn Narudeesri-utai, Chuphan Chompuchan, Ketvara Sittichok

101-116 Doi : 10.14456/jei.2025.25

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การเพิ่มผลผลิตในการเชื่อมชิ้นส่วนยานยนต์: กรณีศึกษาการออกแบบอุปกรณ์จับยึด บริษัท โปรเกรส พาร์ท แอนด์ ได จำกัด

Sarawut Itsaranuwat, yuthanarong jongjun, Sarinya Prateepchanachai, Danai Sornsuphap, Sayan Sayan

117-131 Doi : 10.14456/jei.2025.26

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The sliding mode controller design for buck converter fed by AC-DC power systems

Surabadin Daengdon, Kongpan Areerak, Apichai Suyapan

132-143 Doi : 10.14456/jei.2025.27

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