+ The results disproves the null hypothesis in the tested configuration. The clean cooking
+apparatus does reduce IAP. Therefore, the next step will to be improve the design of the IAP
+Reduction Stove so that it best suits the people who need it the most. The next step will be
+building a full-scale prototype with the hood and chimney to test the cut and fold patterns
+and the minimum gage steel that can be used.
+
+
+ After building the prototype it is then installed in a unit dwelling with a steel roof or thatched
+roof to determine its usefulness and efficiency in the real world.
+
+
+ I will also look for partners to create the units and a website where those who have installed
+a unit can upload their experiences and suggested improvements (and their improved layout
+patterns). This adopts the highly-successful approach of crowdsourcing, whereby products
+are continually improved by their users. This enables the basic approach to be refined for
+different climates, cultures and lifestyles. Examples of this include Waze, which collects
+traffic data for use by everyone, MacDonalds and Starbucks, who collect user ideas to
+improve their products, and the publicly maintained software UNIX operating system,
+(Berkeley Standard Distribution - BSD), and its descendent, Linux, which is installed on over
+32.8 million systems and on 1.6 billion Android phones worldwide (99 Firms 2022).
+
Procedure followed to design and construct the cooking Stove
+
Thermal design assumption of the cooking stove
+
+
+
Test the performance of designs based on the experience of Zimbabwe
+ residents who cook inside of their dwellings without proper ventilation
+ and suffer from IAP.
+
One square meter of discarded sheet metal 1mm thick was used to create
+ several different units.
+
The metal sheet was marked using some chalk to create fold lines and cut
+ lines.
+
The marked shapes were cut using sheet metal snips. The shapes were
+ joining by folding the edges of the two-dimensional shapes to form threedimensional shapes.
+
+ Note: Pop rivets were used for speed, but the shapes can all be assembled using folded tabs.
+
+
+
Design of Combustion Chamber:
+The combustion chamber is designed in a
+rectangular prism shape. In the combustion chamber fuel (wood pieces) are
+combusted. It was observed that inner chamber became red hot. To reduce
+the heat losses from inner chamber, a jacket of coarse sand and heat
+resistance refractory material was added (Fire Clay). As shown in the figure
+below.
+
+
+
+
The Clean Cooking System has two components:
+
+
Stove “Cooker” to burn fuel more efficiently and
+ reduce emitted smoke.
+
Chimney and hood, to eliminate fumes from
+ dwelling. The chimney is isolated from the roof
+ by a 2nd outer pipe. Nails are used to isolate the
+ chimney pipe from the insulating pipe and the roof.
+
+
+
+
+
+
+
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+
+
+
+
+
+The Inexpensive IAP reduction system
+
+
+
+
+
+
+
+According to the World Health Organization (WHO), around 2.6 billion people
+cook and heat using polluting open fires or simple stoves fuelled by kerosene,
+biomass (wood, animal dung and crop waste) and coal (Air Pollution Data Portal,
+n.d.). This generates high levels of health-damaging Indoor Air Pollution
+(IAP), such as particulates, tar and carbon monoxide. Because women are
+primarily responsible for cooking and raising young children, both are
+disproportionately affected by IAP. For example, the World Health Report (2002)
+states that in developing countries among the poor, Acute Respiratory Infection
+(ARI) is one of the leading causes of childhood mortality (under 5) and is
+responsible for up to 33% of all ARI cases. IAP also adversely affects Zimbabwe
+because of the number of people who live in poor, rural regions. (Rural
+Population (67% of Total Population…2020) - Zimbabwe | Data, n.d.).
+
+
+ A second problem caused by open or traditional heaths is the inefficient use of fuel. Past efforts to
+reduce IAP have focused on efficient combustion but have not necessarily focused on thermal efficiency
+of the overall cooking and heating process. As a result, a significant portion of the fuel's energy is lost,
+leading to increased levels of deforestation. In parallel, people who are faced with the challenge of
+indoor air pollution are from low-income communities which makes it very difficult for them to afford
+expensive clean cooking stoves. Most of the existing solution focus only on reduction of Indoor Air
+Pollution, but fall short on distribution the solution to billions of people who need it.
+
+
+
+Because of the above issues, the engineering goal of this experiment is to create pattern designs of creating an
+affordable, simple, and efficient cooking system whose design is based on origami. Origami is the Japanese
+technique of creating complex 3-dimensional objects from flat sheets of paper. All that is needed to make a well
+known object such as a Crane, Cube or Lion is the pattern and a piece of paper. Likewise, the clean cooking
+system's components will be fabricated from flat metal sheets using simple folds and cuts, enabling them to be
+made worldwide without complex fabrication techniques. Additionally, if a component;s pattern is known, it can
+produce it using locally available material and tools. This reduces or eliminates funding and production
+bottlenecks that have limited the impact of prior efforts when attempting to produce and distribute billions of
+units worldwide.
+
+
+ Since many regions that suffer from indoor air pollution also have electricity shortages, the practicality of using
+the thermoelectric chips to generate electricity from the cooking stove's waste heat is evaluated. Its cost per watt
+hour is compared to alternatives such as simple solar panels with local storage (batteries or super capacitors.)
+
For the experimental results the IAP reduction cook stove was compared to an open traditional fire in terms of
+ temperature carbon monoxide concentration and weight of particulates and tar released.
+ 
+ 
+ 
+
+
+
+
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+
+
+
+
+
+
+According to the World Health Organization (WHO), around 2.6 billion people
+cook and heat using polluting open fires or simple stoves fuelled by kerosene,
+biomass (wood, animal dung and crop waste) and coal (Air Pollution Data Portal,
+n.d.). This generates high levels of health-damaging Indoor Air Pollution
+(IAP), such as particulates, tar and carbon monoxide. Because women are
+primarily responsible for cooking and raising young children, both are
+disproportionately affected by IAP. For example, the World Health Report (2002)
+states that in developing countries among the poor, Acute Respiratory Infection
+(ARI) is one of the leading causes of childhood mortality (under 5) and is
+responsible for up to 33% of all ARI cases. IAP also adversely affects Zimbabwe
+because of the number of people who live in poor, rural regions. (Rural
+Population (67% of Total Population…2020) - Zimbabwe | Data, n.d.).
+
+Because of the above issues, the engineering goal of this experiment is to create pattern designs of creating an
+affordable, simple, and efficient cooking system whose design is based on origami. Origami is the Japanese
+technique of creating complex 3-dimensional objects from flat sheets of paper. All that is needed to make a well
+known object such as a Crane, Cube or Lion is the pattern and a piece of paper. Likewise, the clean cooking
+system's components will be fabricated from flat metal sheets using simple folds and cuts, enabling them to be
+made worldwide without complex fabrication techniques. Additionally, if a component;s pattern is known, it can
+produce it using locally available material and tools. This reduces or eliminates funding and production
+bottlenecks that have limited the impact of prior efforts when attempting to produce and distribute billions of
+units worldwide.
+
+ 
+ 
+ 
+ 
+
+
+