Requirements & Functions
Requirements
Inspired by the capabilities mentioned in the Capability Approach, these are the requirements our product has to fulfil:
Life & Bodily Health
Other Species
Control over one's Environment
- The product shall enable users to drink purified/distilled water
- The product shall reduce the time refugees spend waiting in lines by 50% or more
- The product shall reduce the salt level of seawater to levels stipulated by GDWQ guidelines
- At least 80% of the product shall be biodegradable
- The production process shall be at least 80% greenhouse gas neutral
- 100% of the plastic that is used during the manufacturing process shall be recycled
- The product can be packaged with less than 20% wasted space so it can be transported in bulk
- The product shall account for cultural and individual differences (language, ethnicity, country of origin, etc. ) and shall allow every user to navigate the product
- The product shall be affordable to be manufactured in bulk, purchased, cleaned and repaired
- The product can be packaged with less than 20% of wasted space so it can be transported in bulk
- The product shall distil 140 litres of seawater/be used four weeks before the distilled water storage tank needs to be rinsed.
Functions
Based on the previously formulated requirements, our list of functions states that our product will:
- Admit seawater to storage tank A
- Contain seawater in storage tank A without leakage
- Evaporate seawater with solar energy
- Contain water vapour in storage tank A without leakage
- Transport water vapour into storage tank B through heat flow and pressure difference
- Retain impurities such as pathogens, sand and crystallised salts in storage tank A
- Condense water vapour in storage tank B
- Contain distilled water in storage tank B without leakage
- Stop environmental contaminants such as sand, leaves and other debris from entering storage tank B
- Uncover/remove storage tank B when necessary
