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Design review on indoor environment of museum buildings in hot-humid tropical climate
Ogwu, Ikechukwu,Long, Zhilin,Okonkwo, Moses M.,Zhang, Xuhui,Lee, Deuckhang,Zhang, Wei Techno-Press 2022 Advances in computational design Vol.7 No.4
Museum buildings display artefacts for public education and enjoyment, ensuring their long-term safety and the comfort of visitors by following strict indoor environment control protocols using mechanical Heating, Ventilation and Air Conditioning (HVAC) systems to keep the (environmental) variables at a fixed comfort level. Maintaining this requires constant supply of energy currently mostly sourced from the combustion of fossil fuels which exacerbates climate change. However, a review on the effects of the indoor environmental variables on museum artefacts as well as museum visitors revealed that there is no specific point at which artefact deterioration occurs, and that there are wide ranges of conditions that guarantee the long-term safety of artefacts and human comfort. Visits to museum buildings in hot-humid tropical climate of Nigeria revealed that strict indoor environmental practices were adopted. Even when appropriate micro-climatic conditions are provided for artefacts, mechanical HVAC systems remain necessary for visitor comfort because almost no consideration is given to natural ventilation. With the current global push towards energy management, this paper reviewed passive environmental control practices, architectural design strategies, and discusses the adaptation of double skin façade with jali screens, and the notion of smart materials, which can satisfy the range of requirements for the long-term safety of artefacts and levels of human comfort in buildings in hot-humid tropical climate, without mechanical HVAC systems. This review would inspire more discussions on passive, energy efficient, smart and climate responsible popular architecture, challenging current thinking on the impact of the more accepted representative architecture.
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Kurotimipa Frank Ovuru,Sylvester Chibueze Izah,Odangowei Inetiminebi Ogidi,Odoligie Imarhiagbe,Matthew Chidozie Ogwu 한국식품과학회 2024 Food Science and Biotechnology Vol.33 No.3
Poor personal and environmental hygiene and sanitary conditions of abattoirs in developing countries in sub-Saharan Africa have been implicated in the occurrence and spread of foodborne diseases. This focused review aims to evaluate the sanitation and hygiene practices of slaughterhouses in selected sub-Saharan African countries as well as the microbial (bacterial) contaminants associated with these slaughterhouses. Pathogenic microorganisms of public health importance have been associated with these slaughterhouses due to poor hygiene conditions, non-formal occupational health and safety training, and poor knowledge of workers as well as substandard infrastructures and crude tools in these facilities. Put together, these conditions enable the growth, survival, transmission, and proliferation of foodborne pathogens such as bacteria, parasites, and viruses. To address this issue, there is a need to assess the poor environmental and personal hygiene of butchers and other abattoir workers, the inaccessibility of potable water, waste management practices, and the lack of appropriate infrastructure and technology, which have been identified as some of the enabling factors for bacteria, fungi, and viruses. Sustainable strategies should include instituting regulations that are backed by law.
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