Akindele Folarin Alonge

Akindele Folarin Alonge
University of Uyo | UNIUYO · Department of Agricultural and Food Engineering

Ph.D

About

58
Publications
100,247
Reads
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290
Citations
Citations since 2017
14 Research Items
167 Citations
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Introduction
He holds a Bachelors and Masters in Agricultural Engineering with specialization in Crop Processing and Storage from the University of Ibadan, Nigeria. He also holds a Ph.D from University of Ilorin, Nigeria in Agricultural Engineering with special interest in Solar drying and by extension renewable energy. Other areas of his research are engineering properties of biological materials, oil extraction from oil seeds, storage of agricultural produce, and development of processing machines.
Additional affiliations
January 2016 - February 2016
McGill University
Position
  • Professor
Description
  • Research work
September 2012 - October 2012
PTC+, Oenkerk, Netherlands
Position
  • Trainee and Scholar
September 2010 - January 2015
University of Uyo
Position
  • Head of Department

Publications

Publications (58)
Article
Full-text available
Increasing threat insecurity of food production in Nigeria is perceived in almost all parts and areas of the national food production. Food insecurity seems to be a global challenge that has a lot to do with surge in energy demand, population growth, climate change and competition for land, food and water. The rural settlements are more prone to ir...
Article
Full-text available
Some mechanical properties of mucuna bean seed were studied at different moisture levels to provide relevant data for development of cracking machine for the seed. The frictional coefficient of the seed on five structural surfaces (plywood, aluminum, glass, steel, and wood) was determined using the incline plane method. The mechanical properties we...
Article
Full-text available
Kariya kernel is very rich in essential fats, oils and other valuable nutrients which may find applications in many food formulations. To harness these nutrients, processing equipment and machines are to be used. In order to effectively design these machines, the values of some physical properties of kariya nut and kernel are needed. In this study,...
Article
Full-text available
A mixed mode passive solar dryer was designed, constructed and tested. The work is aimed at developing a cost-effective drying system for sweet potatoes, to find solution to the problem of postharvest deterioration. The dryer is composed of solar collector and a solar drying chamber containing rack of two wire mesh trays both being evenly spaced. L...
Article
Full-text available
A survey was carried out in all the twenty three (23) Local Government Areas of Rivers State to evaluate the different methods of fish preservation in the State. The required information was collected by the use of questionnaires and direct interviews with the fish farmers and traders. The study holds that gender difference influenced approach to f...
Article
Full-text available
Abstract. Researchers and other experts who are involved in food products development using composite flour technology are making noteworthy giant strides worldwide. The escalating global population which is estimated that by 2030 more than eight billion people will be inhabiting the earth, with its associated impacts that will be evidenced in food...
Article
Full-text available
A mathematical model for predicting the winnowing efficiency of bambara groundnut sheller was developed. The regression equation for model simulation was developed using Least Square Method. The model was verified and validated by fitting it into established experimental data from winnowing efficiency of already existed Bambara groundnut sheller. T...
Article
A mathematical model for predicting the winnowing efficiency of bambara groundnut sheller was developed. The regression equation for model simulation was developed using Least Square Method. The model was verified and validated by fitting it into established experimental data from winnowing efficiency of already existed Bambara groundnut sheller. T...
Conference Paper
Full-text available
Extraction is an important unit operation in crop/food processing; involving the recovery of a material of interest from a parent material. Vegetable oil extraction has presented a lot of challenges, which border on developing appropriate equipment/technology, improving the efficiency of available equipment, ensuring good quality and safety of the...
Chapter
Agricultural production involves almost all aspects of cultivation, harvesting, processing, storage, and transportation of crops, animals, food, and fiber. Agricultural production depends heavily on the availability of agricultural inputs such as labor, water, arable land, and other resources (energy, fertilizer, etc.), which are significantly affect...
Article
Full-text available
Food products development by means of composite flour technology is experiencing a remarkable upsurge globally with the ticking of the clock; thereby inviting a great deal of researchers' consideration, particularly in bakery foodstuffs and pastries making. The world population is increasing and is projected to be well over eight billion people in...
Article
Full-text available
The effect of moisture content on some physical properties of mucuna bean seed as a prerequisite for the design of processing machines was studied. A vernier caliper with 0.02 mm accuracy was used to measure the major, intermediate and minor diameter of the seed. Results were analysed using regression models. At moisture level range of 4.79 to 18.5...
Article
Full-text available
A centrifugal Bambara groundnut pod shelling machine was earlier designed and constructed to crack various sizes and varieties of Bambara groundnut. The sheller was fabricated and designed with locally available materials. The machine consists of three main units, namely the hopper, shelling unit and power transmission unit. The sheller only cracke...
Article
Full-text available
A centrifugal bambara groundnut pod shelling machine was designed and constructed to crack various sizes and varieties of bambara groundnut. The sheller was fabricated with locally available materials from the formation of a new idea which aimed at easing the pain, stress, intensive labour, time consumption, undue cost and the cumbersome operation...
Research
Full-text available
In the early sixties, the economy was hinged and developed mainly from agricultural activities. This brought a lot of involvement in the operators of this sector of the economy and growth. Many people participated in farming activities. After crop has been harvested, the next thing to do is to process the agricultural produce to the end product for...
Chapter
Full-text available
Herbs are any plant with leaves, seeds or flowers used for flavouring, food, medicine or perfume. The term ‘medicinal plants’ is used to describe plants (or plants from which products are obtained) that are used by human beings in protection against or treatment of illnesses. The attraction of medicinal herbs has grown as a result of the demand cre...
Article
Full-text available
This research work involves the design and fabrication of Irvingia nut cracking machines. It operates using impact technique which involves collision between the seednut and stationary wall. The procedures employed the design stage, fabrication and testing. The machine components are: impact drum, shaft, impeller (rotor), electric motor, driver and...
Article
Full-text available
Solar drying has been widely applied as a preservative measure for agricultural/food materials, as a system which combines cost-effectiveness (coupled with other advantages) with efficiency. This work presents the design, construction and preliminary testing of an indirect forced convection solar dryer. The system was constructed using locally avai...
Article
Full-text available
A direct active solar dryer was designed and fabricated to dry Chester leaves (Heinsia Crinita ) within one day but with features that will enhance its efficiency such as fans, battery, photovoltaic module, storage unit. Thus, it achieved solar drying utilizing forced convection to enhance the drying operation. Temperatures of the dryer were monito...
Article
Full-text available
The physical and frictional properties of African Bread fruit (Treculia africana) seed were studied on one hundred seeds of Treculia africana. The major, intermediate and minor diameters of the seed were 12.40, 5.89 and 7.09 mm respectively. The seed contain 13.62% moisture content dry basis. The geometric and arithmetic mean diameter were 0.22 cm...
Article
Full-text available
Insolation available to dry crop on any clear-day was mathematically simulated on a local computer, using a suitable object oriented programming language (JAVA), for predicting solar radiation available at any given time in the Northern hemisphere on longitude East on Greenwich. Uyo, AkwaIbom State, Nigeria was used as a case study. The determinist...
Article
Full-text available
Physical properties of food and bio-materials are required to design systems appropriate for their processing. For this purpose, some physical properties of African kidney bean (Phaseolus vulgaris (L.)), were investigated. Various techniques including the micrometer screw gauge; water displacement; correlation; inclined plane and cone methods, were...
Article
Full-text available
Two passive solar dryers were designed and constructed with available local materials. The passive solar dryers which were direct and indirect types were tested with pepper (Capsicum annum L.), okro (Abelmoschus esculentus L.) and vegetables (Amaranthus hybridus L.) in order to evaluate the drying rate of these produces. The moisture content of 78....
Article
Full-text available
The physical properties of Chrysobalanus atacorensis seeds relevant to the design of systems for its processing were investigated. The properties determined were size, shape, coefficient of sliding friction, angle of repose, density, volume, and percentage porosity, major, intermediate and minor dimensions. Techniques employed in the experiments in...
Conference Paper
Full-text available
An improvised direct passive solar dryer was designed and constructed using locally available materials. It was designed to ensure that the angle of tilt can easily be varied from time to time. The dryer was constructed and tested under the no load condition. It was set at an optimum angle of tilt as calculated for the various days and a maximum te...
Conference Paper
Full-text available
The physical properties of African nutmeg (monodara myristica) seed at 7.56% moisture content (dry basis) were determined by employing standard methods as a prerequisite to obtaining relevant data for the design of foods, equipment, machines and systems for its processing. The major, intermediate and minor diameters of the seed ranged from 15.2-23....
Article
Full-text available
Chrysobalanus atacorensis is a popular spice in South-South Nigeria. It has medicinal potentials too. Some structural and geometrical properties of its seed which are necessary in designing systems appropriate for its handling and processing were studied using standard techniques such as the micrometer screw gauge; water displacement; correlation;...
Article
Full-text available
Coconut seed (Cocos nucifera L.) is a tropical plant valuable for its oil and fat fractions for the production of soap and milk. They are also used as diesel fuel, for lighting and making candles. In developing, processing and handling for the seeds, some engineering properties such as size, sphericity, roundness, volume, surface area, density, coe...
Conference Paper
Full-text available
A survey was carried out to assess the different typrs of silos used im Osun state of Nogeria. All local government areas in the state were reached and the needed information collected. Evaluation of some parameters were done based on the data collected from places visited. Parameters evaluated included, distribution of silos in the state, usage of...
Article
Full-text available
A solar drying system designed on the principles of convective heat flow, constructed from local materials was employed in drying yam (Dioscorea Alata). A glass collector having an efficiency of about 0.63 was used along with an absorber for absorbing the heat energy. The drying chamber consisted of drying trays. A chimney fitted at the top centre...
Conference Paper
Full-text available
A guinea- corn thresher was designed, fabricated and tested. The machine consists of the inlet, threshing unit, cleaning unit, and the outlet. The inlet consists of the feeding tray inclined at 300 to the horizontal to ensure self feeding .The threshing is achieved through impact made by a fast moving spike on the pod. The concave -cylinder clearan...
Article
Full-text available
Laboratory experiments were carried out to determine the effects of dilution volume, water temperature and pressing time on oil yield from cashew nut using a screw press. 100g samples of the already ground nuts were mixed with 4 ml, 8 ml, 12 ml, 16 ml, 20 ml and 24 ml of water at different temperature of 20°C, 40°C, 60°C, 80°C and 100°C. They were...
Article
Full-text available
Some famous local spices were selected to determine their potentials in terms of their aroma and utilization. They included Tea Bush (Ocimum basilicum), Guinea Black Pepper (Piper guineense), African Pepper (Xylopia aethiopica), Aiden Tree (Tetrapleura tetraptera) and the African Meg Nut or Onion Tree (Blighia unijugata). Essential oils were extrac...
Conference Paper
Full-text available
Performance evaluation test of an electrically operated Chip Dryer was carried out to investigate the effect of quantity of drying, drying temperature and drying time on the rate of drying of fresh Cassava Chips at 66.7% moisture content (dry basis). The data from the test subjected to the statistical analysis of variance (ANOVA) and Duncan Multipl...
Article
Full-text available
Some mechanical properties were determined for four varieties of soybean (TGX 297-129C, Samsoy1, TGX 306-636C and TGX 536-02D). The hardness, compressive and tensile strength determination were carried out using a Rockwell Hardness machine and tensometer. The effect of moisture content on the hardness and compressive strength of the soybean was inv...
Conference Paper
Full-text available
Definite environmental problems including climate change are visible since the inception of oil exploration in the Niger Delta region of Nigeria in the last 50 years. Incessant oil spill has damaged the ecosystem destroying plants on land and in water. The rich mangrove of the coast of the gulf of guinea is seriously depleted. Much of the land is l...
Conference Paper
Full-text available
Nigeria is the largest producer of Cassava in the world. The products are becoming one of the country’s sources of foreign earnings. However, this product is highly perishable in its natural state after harvest. One of the most available ways of preserving the product it into dry chips which are later packaged for export. The method of processing t...
Article
Full-text available
A prototype household wooden silo with 8 kg capacity for storing shelled maize was designed, constructed and evaluated for performance. The structure was rectangular in shape, of total height of 0.6 m and width of 0.3 m, with a conical top inclined at an angle of 30 º with 0.1 m height and 0.3 m width. The silo had a top inlet for loading and side...
Conference Paper
Full-text available
The result of the various determinations shows that the seed major diameter ranges from 32.53 to 26.62 mm with mean of 292.33 mm and standard deviation of 3.356 mm. The value of the intermediate diameter ranges from 24.21 mm to 17.33 mm with mean value of 207.19 mm and the standard deviation of 7.561 mm. The value of the minor diameter ranges from...
Conference Paper
Full-text available
The two passive solar dryers designed and constructed were with available local materials. The passive solar dryers which were direct and indirect type was tested with pepper, okro and vegetables in order to know the drying rate of these produce. 180g of freshly harvested pepper with moisture content of 78.9 % (w.b) were reduced to 24.0 % (w.b). Th...
Article
Full-text available
An experimental mud silo was designed, constructed with mud. The mud from Oyun River (along University Road, Ilorin, Nigeria) was subjected to tests using the Cob, Wattle and Daub method before construction was carried out on the two soil types from two different locations. The soil samples from the river has a plastic index of 38.50 % and bulk den...
Article
Full-text available
Shea nut (Vitellaria paradoxa) is one of the most important oil-bearing materials. It is important for its nutritional values as a source of food, for industrial purpose and pharmaceutical use. Therefore, improvement in the method of extraction is important. More shea butter will be available if the method of processing and handling can be improved...
Article
Full-text available
Experiments were performed to determine the effects of dilution volume, water temperature and pressing time on oil yield from the kernels of thevetia nuts using a laboratory press for applying pressure during the extraction process. Kernels of thevetia nuts were finely ground and mixed with 5, 10, 15, 20 and 25 ml of water at the temperatures of 20...
Article
Full-text available
Experiments were performed to determine the effects of dilution vol¬ume, water temperature and pressing time on oil yield from the kernels of thevetia nuts using a laboratory press for applying pressure during the extraction process. Kernels of thevetia nuts were finely ground and mixed with 5, 10, 15, 20 and 25 ml of water at the temperatures of 2...
Article
Full-text available
A model for predicting solar radiation available at any given time in the inhabited area in Ilorin was developed. From the equation developed, the optimum tilt angle of the collector due south was carried out. The optimum angle of tilt of the collector and the orientation are dependent on the month of the year and the location of the site of study....
Article
Full-text available
A study was carried out on the effect of some factors that can enhance production of good quality briquette from oil palm mush as an alternative energy source. The effects of different sizes of die diameter, mix ratio of binder and applied compressive forces were examined on the production of oil palm mush briquette. Die diameters of 25, 55 and 75m...
Article
Full-text available
Experiments were conducted to study the effects of dilution ratio, water temperature and pressing time on oil yield from groundnut oil expression. The temperature of water and the dilution ratio for optimum oil yield were also determined. Samples of 100 g mass of groundnut paste were diluted with 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20 ml of water a...
Article
Full-text available
A grain thresher for maize and cowpea designed and constructed at the Institute of Agricultural Research and Training (IAR&T), Ibadan was evaluated both in the workshop and on the field for its performance. Tests were carried out to determine the effects of speed on the shelling output, cracking and grain losses at three moisture content levels. Te...
Article
Full-text available
Some physical and rheological characteristics of prosopis africana pods that are pertinent to post-harvest technology were determined. The results obtained indicated that the pods have major diameter ranging from 55mm to 200mm while the geometric mean diameter ranges between 41 mm and 63mm. The values obtained for the density revealed that it could...
Article
Full-text available
The effect of moisture level of melon seeds on their physical properties was studied. The black edged type 'Bara' variety had greater overall dimensions than the white edged type. Specific heat capacity and angle of repose increased, while fractional porosity and true density decreased linearly with increase in moisture content. Static coefficient...
Article
Full-text available
A medium scale direct mode solar dryer of capacity 60 kg of sliced tomato was constructed. Moisture of the tomato sample was reduced from 93.5% wet basis to 4.5% wet basis within 58 hours while the open sun drying took 124 hours. The average drying air temperature generated by the dryer was 45.5% above the ambient temperature. The dryer achieved ov...
Conference Paper
Full-text available
A mathematical model for determining the optimum angle of inclination for flat plate solar collectors was adapted for major towns in Nigeria. The optimum angle of tilt of the collector and the orientation are dependent on the day of the month, month of the year and the location of the site of study. This varied from 0 to 35 degrees for the major to...

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