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AMA, Agricultural Mechanization in Asia, Africa and Latin America

AMA, Agricultural Mechanization in Asia, Africa and Latin America (AMA) (issn: 00845841) is a peer reviewed journal first published online after indexing scopus in 1982. AMA is published by Farm Machinery Industrial Research Corp and Shin-Norinsha Co. AMA publishes every subjects of general engineering and agricultural engineering.

Submission Deadline
02 Dec 2022 (Vol - 53 , Issue- 12 )
Upcoming Publication
30 Nov 2022 (Vol - 53 , Issue 11 )

Aim and Scope :

AMA, Agricultural Mechanization in Asia, Africa and Latin America

AMA, Agricultural Mechanization in Asia, Africa and Latin America (ISSN: 00845841) is a peer-reviewed journal. The journal covers Agricultural and Biological Sciences and all sort of engineering topic. the journal's scopes are in the following fields but not limited to:

Azerbaijan Medical Journal Gongcheng Kexue Yu Jishu/Advanced Engineering Science Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery Interventional Pulmonology
Agricultural and Biological Sciences
Electrical Engineering and Telecommunication
Electronic Engineering
Computer Science & Engineering
Civil and architectural engineering
Mechanical and Materials Engineering
Transportation Engineering
Industrial Engineering
Industrial and Commercial Design
Information Engineering
Chemical Engineering
Food Engineering

DESIGN OF AN ATESTA FORCED CONVECTION DRYER WITH REDUCED ENERGY CONSUMPTION

Paper ID- AMA-03-10-2022-11714

This work aims to improve the technical and economic performance of the ATESTA dryer by including a device with forced convection. This innovation aims to increase the quality of the dried mango and the dryer’s efficiency. For this purpose, a technical diagnosis of the ATESTA natural convection dryer has been carried out. The results of the technical diagnosis combined with a Functional Analysis (FA) and a Multicriteria Analysis (MCA) enabled the sizing of the device with forced convection integrated into the ventilation circuit. This new device comprises an air extractor, a potentiometer, and installation support. The performances of the ATESTA dryer with integrated forced convection compared to those of the ATESTA dryer with natural convection show a net improvement of 68 to 100% of the quality of the dried mangoes of 1st choice, a reduction of 40% of the drying time, of 34% of the consumption of butane gas; a 40% saving of the energy cost. Drying trials with the improved ATESTA gas dryer will be carried out on other tropical products (pineapple, papaya, etc.) to meet the needs of food processors in the West African sub-region.

Correlation studies between temperature variables during different phenophases and flower quality parameters of Hybrid Tea rose cultivar Minu Pearle

Paper ID- AMA-29-09-2022-11708

Floral characters of rose cultivar Minu Pearle influenced in varied degree by studied temperature related weather variables. Correlation between floral characters and weather parameters studied with 6 different phenological stages (P1- bending to FBE, P2- FBE to SR, P3- SR to full bloom, P4- bending to SR, P5- FBE to full bloom and P6- bending to full bloom). Among the characters studied, all the characters negatively correlated with all the temperature related weather variables, except accumulated diurnal variation of temperature at all the phenological stages. Improvement in floral characters was observed with wider day and night temperature along with higher number of bright sun shine hours during the peak flowering stage (December to January).

Friction of Canola Oil on SCM440 Steel in Connecting Rod of Tract

Paper ID- AMA-27-09-2022-11707

In manufacturing operations, oil performs a significant function in reducing friction and wear among interacting surfaces at varying velocities, loads as well as temperature. Hydrocarbon oil is considered the core origin for lube oils, although this base has been limited in its use as it is a principal cause of pollution. This research focused on identifying a biodegradable base-oil lubricant that possesses a stable coefficient of friction and viscosity with temperature. Friction analysis was conducted, employing a pin on disk tribotester with a fixed load of 10 N and varying sliding speeds of 0.06 m/s to 0.34 m/s. Oil viscosity analysis was also carried out at room temperature using a rotary viscometer. The tests were performed on canola oil and paraffin oil lubricants. The results of the test indicated that the viscosity of canola oil was more efficient than paraffin oil. The non-dimensional characteristic number according to the Stribeck curve revealed an elasto-hydrodynamic lubrication regime with canola oil lubrication. In comparing both lubricants, the friction efficiency demonstrated by canola oil and paraffin oil did not differ greatly. However, the friction for canola oil was observed to decrease more than for paraffin oil at an elevated sliding speed. The tests confirmed that canola oil was potent in minimizing coefficient of friction of SCM 440 bodies interacting with one another as well as acted upon by load and speed.

Modeling and Analysis for the Rack Bar in Horizontal Broching Machine

Paper ID- AMA-27-09-2022-11706

In this study, the design of broaching machine for producing rack bars for automobile steering systems. Recently, auto parts are becoming lighter to improve energy efficiency. In addition, the rigidity and precision of the rack bar is important as it becomes more versatile and the importance of connecting parts such as the motor and the reduction gear increases. In addition, production equipment for rack bars must be developed. In this study, a design review of a horizontal broaching machine for rack bar production was conducted. First, the broaching tool was designed. The second was to determine the hydraulic pressure and model a horizontal broaching machine. Afterwards, the boundary conditions were set and finite element analysis was performed. As a result of analysis, vibration is not a problem. However, the deformation amount was larger than the error required by the rack bar, and the design was changed. The amount of deformation was small when comparing the amount of deformation before and after design. In conclusion, accurate broaching tool, hydraulic design and finite element analysis can predict the precision of rack bar production.

Assessment of Machine Ability on the Bearing Steel for Semiconductor Wafer using Ultrasonic Machine

Paper ID- AMA-27-09-2022-11705

The ultrasonic machining is categorized into non-traditional machining process. The machining process using ultrasonic usually applied for brittle materials, but it also capable applied into ductile materials. Wear is the phenomenon in the metal cutting process, two or more surfaces contact definitely causing the worn. This study is to figure out the characteristic the tool life in the ultrasonic machining process. The characteristic of friction and wear of needle pin on disk under the abrasive slurry was observed as comparison. The condition is look like in ultrasonic hole machining, which is using abrasive slurry. 30 mm length of SUS 304 tube with outer Ø 0.5 mm and inner Ø 0.3 mm was used. The other kind of type B SWRS wire pin is used too. 13 gram of Silicon Carbide (SiC) powder dissolved in the 50 gr of water act as lubricant. is the tool life equation for SWRS pin and for SUS 304 pin. During the test, the hydrodynamic lubrication regime was fully developed side by side with the increasing of rotational velocity. The lowest friction coefficient of SWRS pin was achieved at 75 rpm, which the value is 0.00633 and for SUS 304 pin is 0.0064 at 100 rpm. The result of this experiment was reported and discussed.