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Godfrey Omulo,Musinguzi Muhsin,Ismail Kasana,Resty Nabaterega 대한환경공학회 2017 Environmental Engineering Research Vol.22 No.4
Slum settlement, a direct result of the rapid worldwide urbanization is a common site in most developing countries. Uganda is among the top African countries with high number of slums. The status of Katanga slum located in the low-lands between Mulago national hospital and Makerere University is a typical of many other slums within Uganda. This project proposal seeks to tackle urbanization challenges by specializing in slum upgrading as a sustainable way of curbing the menace. An integrated toilet, biogas, poultry and backyard gardening project is proposed as a channel of boosting the Katanga slum dwellers’ economic, sanitation and domestic energy status. Designed to serve up to 30 households, the project will utilize residual wastes from poultry houses and toilets to produce biogas and slurry. The biogas yield will provide clean cooking fuel and energy for lighting, while the slurry used as organic fertilizers to improve vegetable yields. The social, economic and environmental impacts of the project will empower the vulnerable women and children within the slums and reduce water pollution and land degradation. This affordable project can be applied in developing countries experiencing slum settlement challenges as a strategy for reducing urbanization pressure.
Software engineering and their conflicts in development of software
Godfrey D. Beray,Sabah Mohammed 사단법인 인문사회과학기술융합학회 2013 예술인문사회융합멀티미디어논문지 Vol.3 No.1
In software engineering there are many different uses that will be mainly helpful in the development of suitable software that is required by the particular user in order to achieve the reliability of the user. So natively we used the technique called we use an adaptive testing strategy for testing software components. This strategy (AT_RLSEc with c indicating components) applies a recursive least squares estimation (RLSE) method to estimate parameters such as failure detection rate. It is different from the genetic algorithm-based adaptive testing (AT_GA) where a genetic algorithm is used for parameter estimation. By using this method we will not be getting the desired result so there will be some defects in the software. To overcome these defects we use qualitative and quantitative approaches, the points until the separately generated results are interpreted. It will show efficiency of the conflicts and risks that are presented that are occurred by using the existing approach. So t will be helping the developers to give perfect software that is required by the user.
Optimizing slow pyrolysis of banana peels wastes using response surface methodology
Godfrey Omulo,Noble Banadda,Isa Kabenge,Jeffrey Seay 대한환경공학회 2019 Environmental Engineering Research Vol.24 No.2
Renewable energy from biomass and biodegradable wastes can significantly supplement the global energy demand if properly harnessed. Pyrolysis is the most profound modern technique that has proved effective and efficient in the energy conversion of biomass to yield various products like bio-oil, biochar, and syngas. This study focuses on optimization of slow pyrolysis of banana peels waste to yield banana peels vinegar, tar and biochar as bio-infrastructure products. Response surface methodology using central composite design was used to determine the optimum conditions for the banana wastes using a batch reactor pyrolysis system. Three factors namely heating temperature (350-550℃), sample mass (200-800 g) and residence time (45-90 min) were varied with a total of 20 individual experiments. The optimal conditions for wood vinegar yield (48.01%) were 362.6℃, 989.9 g and 104.2 min for peels and biochar yield (30.10%) were 585.9℃, 989.9 g and 104.2 min. The slow pyrolysis showed significant energy conversion efficiencies of about 90% at p-value ≤ 0.05. These research findings are of primary importance to Uganda considering the abundant banana wastes amounting to 17.5 million tonnes generated annually, thus using them as pyrolysis feedstock can boost the country’s energy status.