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EVALUATION OF AGRICULTURAL MACHINERY MAINTENANCE COST EFFECTIVENESS AT FINCHA SUGAR FACTORY, ETHIOPIA

ABOMA, HAILU (2022-03)

This study was undertaken with the objective to evaluate cost effectiveness of maintenance operations of agricultural machinery at Fincha Sugar Factory (FSF) through determination of lagging key performance indicators. ...

Design and development of vehicle-mounted Excessive Passenger Loading control system

Wondwossen, Sete Abebe (2022-02)

In Ethiopia's public transportation system, excessive passenger loading control has been a significant problem. Despite certain traffic police personnel being stationed at particular inspection sites for the manual ...

Experimental Evaluation of Mode I and Mode II Intralaminar Fracture Behavior of Glass Fiber Polymer Reinforced Composite by Considering Different Environmental Aging

Mulugeta, Belay Zeleke (2022-04)

Aircraft, aerospace, ships, and rockets are complex engineering systems wi th many thousands of components, glass fiber-polyester composite uses for these engineering applications. These materials are exposed to ...

Design and Numerical Analysis of Pneumatically Assisted machine used to unload and replace hybrid shaft during plastic sheet processing

Meseret, Ademe Worku (2022-02)

In the world, machines are designed and manufactured according the problem it will solve and sometimes technology gets old according to the purpose it specifically aimed to solve. So updating the past one is more ...

Experimental Investigation of Mechanical properties and free vibration of False Nettle /Glasses Fiber Reinforced Polyester Hybrid Composite Plate

Aysheshim, Bitew Worku (2022-03)

Natural fiber and synthetic fiber are used for many mechanical and structural applications in engineering materials, and technological advancement has made them more valuable. Composite materials that are made ...

INVESTIGATE THE EFFECT OF STACKING SEQUENCE ON FREE VIBRATIONAL PROPERTIES OF BAMBOO GLASS FIBER REINFORCED POLYESTER HYBRID COMPOSITE.

AGMUAS, ABRARAW GEBEYEHU (2022-01)

Many engineering applications today are increasingly made of laminated composite material. Hybridization technique wherein more than one type of fiber is combined in the same matrix provides an added advantage to the ...

Design the Materials Composition and Optimizing the Processes Parameters for Development of Agrostone Panel with Improved Mechanical Properties

Abebaw, Abiyu Yityaw (2022-03)

This time the demands of natural composite materials are growing rapidly to be used as a construction material. Agrostone and other natural fiber/filler-based composite materials are becoming the common construction ...

Investigating Barriers of 5S Implementation Using Fuzzy Interpretive Structural Modeling and Path Analysis (Case Study: Bahir Dar Textile Share Company, BDTSC)

Hunie, Asrat (2022-03-15)

Maintenance as critical method to improve productivity and Total Productive Maintenance (TPM) as functional discipline towards the management of physical asset and enhancing overall equipment effectiveness (OEE) ...

The Effect of Uncertainty in the Analysis of Overall Equipment Effectiveness (OEE) for Improved productivities.

Gebremariam, Tewachew Asmare (2022-02)

Overall equipment effectiveness (OEE) is key equipment effectiveness measuring tool in the implementation of total productive maintenance (TPM). Due to the limitations of handling dynamic production loss, a deterministic ...

PRODUCTIVITY IMPROVEMENT THROUGH KAIZEN IMPLEMENTATION CASE: KANGAROO SHOE FACTORY

Frehiwot, Asmelash (2018-05)

In today‘s market, competition companies are striving to remain the leader in the market. But to exceed customer expectation with limited resource utilization is becoming a challenge. Productivity is one of the major ...

Integration of Reliability, Maintainability and Availability into Maintenance Cost Analysis in Case of Amhara Pipe Factory

Belayneh, Baye Bizuayehu (2022-02)

Reliability, Availability and Maintainability (RAM) are used to increase and/or maintain operational availability in both industries where failures result in catastrophic damage and scrap output. Even if increasing/ ...

Enhancement of Manufacturing System Performance Using System Dynamic Modeling (Case Study: Amhara Pipe Factory)

Alebachew, Mengistu Worku (2022-07)

The primary objectives of any manufacturing company are to maximize production capacity (volume) to meet the average customer demand and gain profit (Eshetie, 2018). Uncertainty increases complexity in manufacturing ...

DESIGN, MANUFACTURING AND EXPERIMENTAL INVESTIGATION OF SOLAR COOKER USING PARABOLIC DISH- COLLECTOR WITH A THERMAL ENERGY STORAGE SYSTEM FOR INDOOR COOKING APPLICATION.

Mulat, Shitye Alem (2022-02)

Global warming as a result of greenhouse gas emissions is a hot topic that has been discussed repeatedly. Traditional cooking methods are a source of greenhouse gas emissions, which also contribute to deforestation. ...

DESIGN AND EXPERIMENTAL INVESTIGATION OF SOLAR COOKER BY USING AIR AS A HEAT TRANSFERRING FLUID

MATEBU, LIMENEH BELEW (2022-06)

Solar cookers are heat exchanging devices which can used for converting solar energy to cooking, replacing traditional way of cooking. The problems to consider while designing solar cookers which can be address to the ...

Investigate the humidification potential of different mist size particle to preserve & store fresh fruit

Elias, Addisu (2022-03-14)

Ethiopia’s wide range of agro-climatic conditions and soil types make it suitable for the production of diverse verities of fruits including tropical and subtropical fruits, around 47 thousand hectares of land are under ...

DESIGN, FABRICATION AND EXPERIMENTAL INVESTIGATION OF THE THERMAL PERFORMANCE OF FLAT PLATE SOLAR WATER HEATER WITH MODIFIED COLLECTOR

EDEN, HABTEMARIAM DUBALE (2022-02)

Solar collector is one of the solar energy technologies that has been used in the world. This simple device like flat plate solar collector can convert the solar energy into heat energy. However, solar collector’s ...

Numerical and experimental investigation on the performance of plant leaf mimetic 4D printed wind turbine blade

Abraham, Adera Bezabih (2022-04)

We performed a multidisciplinary research of plant leaf inspired wind turbine blade by 4D printing. We conducted airfoil selection sizing of tapper sections of the leaf main vein using Matlab iteration. The research ...

DESIGN, FABRICATION AND EXPERIMENTAL INVESTIGATION OF SOLAR STILL INTEGRATED WITH PARABOLIC TROUGH COLLECTOR FOR PRODUCING POTABLE WATER

ZELALEM, WUDU (2021-08-24)

Water is considered as the source of life for all life forms on the face of the earth. Due to water related diseases, in the earth, 3.575 million people are dying each year. One of the key approaches to overcome this ...

INVESTIGATING THE THERMAL PERFORMANCE IMPROVEMENT OF SOLAR AIR HEATER USING FLAT PLATE REFLECTORS ON THE SIDES AND CONTINUOUS V-SHAPED RIBS ON ABSORBER PLATE

YIGERMAL, MULUGETA AMARE (2021-11)

In this study, the effect of solar reflector on the solar air heater efficiency integrated with a continuous V-shaped ribs as roughness parameter is investigated experimentally and numerically. Continuous V-shaped ...

EXPERIMENTAL INVESTIGATION OF BIODIESEL PRODUCED FROM JATROPHA OIL BY USING NaOH IMPREGNATED WITH ACID TREATED FLY ASH CATALYST

TSEGAYE, CHEMERE TEKLIE (2021-10)

By taking into account its high amount of oil in its seeds (1892 L/ha), competitiveness with food, planting conditions and drought resistance, jatropha curcas oil is the best to be a raw material for the production ...

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