Food Preservation for Farming
Communities in Nepal:!
A Low Cost Engineering Solution
Shris&	
  N.	
  Pradhan	
  
shris&.pr...
Outline	
  
•  Nepal	
  Agricultural	
  Background	
  
•  Needs	
  Assessment	
  in	
  Various	
  Villages	
  
•  Our	
  I...
Nepal	
  Agricultural	
  Background	
  
•  Popula8on:	
  Approx.	
  40	
  million,	
  Area:	
  147,181	
  sq.	
  km	
  	
 ...
Needs	
  Assessment:	
  Bhaktapur	
  
•  Sudal	
  village	
  in	
  Bhaktapur:	
  	
  Village	
  about	
  20	
  km	
  to	
 ...
Needs	
  Assessment	
  
Priority	
  Problem:	
  Food	
  Scarcity	
  
•  Food	
  scarcity	
  affec8ng	
  the	
  well-­‐being...
Our	
  Interna&onal	
  Team	
  
Nepal	
  Team	
  
	
  
Tribhuvan	
  University,	
  Ins8tute	
  of	
  Engineering,	
  	
  
...
Potato	
  Preserva&on	
  Technology	
  
System	
  Parts	
  
•  UV	
  irradia8on	
  module	
  	
  
•  Food	
  storage	
  st...
Storage	
  Unit	
  
•  Place	
  the	
  storage	
  bin	
  underground	
  for	
  
insula8on	
  
•  Use	
  locally	
  availab...
Cooling	
  Control	
  System	
  
•  Uses	
  microcontroller	
  system	
  
•  Equip	
  with	
  temperature	
  (Ta)	
  and	
...
Mondialogo	
  Engineering	
  Project	
  
United	
  Na&ons	
  Millennium	
  
Development	
  Goals	
  
•  Food	
  security	
...
Thank	
  You	
  !	
  
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Food Preservation for Farming Communities in Nepal: A Low Cost Engineering Solution

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I presented our Mondialogo project to a small group of students in an informal setting in Vancouver, Canada. The proposed idea is a low cost solution to preserve potatoes in rural areas of Nepal.

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Food Preservation for Farming Communities in Nepal: A Low Cost Engineering Solution

  1. 1. Food Preservation for Farming Communities in Nepal:! A Low Cost Engineering Solution Shris&  N.  Pradhan   shris&.pr@gmail.com     Vancouver,  Canada   Sep  2012  
  2. 2. Outline   •  Nepal  Agricultural  Background   •  Needs  Assessment  in  Various  Villages   •  Our  Interna8onal  Team   •  Technology  for  Food  Preserva8on   •  Mondialogo  Engineering  Award  2009  
  3. 3. Nepal  Agricultural  Background   •  Popula8on:  Approx.  40  million,  Area:  147,181  sq.  km       •  Principal  economic  ac8vity:  Agriculture   •  Employs  80%  of  popula8on   •  Provides  37%  Gross  Domes8c  Product  (GDP)  
  4. 4. Needs  Assessment:  Bhaktapur   •  Sudal  village  in  Bhaktapur:    Village  about  20  km  to  the  East  of  Kathmandu     •  Hilly  terrain  and  home  to  990  households     •  94%  popula8on  live  on  agriculture   •  Land  is  cul8vable  for  8  months  &  surplus  of  food  especially  maize  and  potatoes   •  Land  barren  for  rest  of  the  year  &  shortage  of  food   SUDAL BHAKTAPU R KATHMANDU
  5. 5. Needs  Assessment   Priority  Problem:  Food  Scarcity   •  Food  scarcity  affec8ng  the  well-­‐being  and  economy  of  the  community   •  Potatoes  as  the  main  staple  food  in  the  area   •  A  storage  solu8on  enabling  people  to  store  and  preserve  surplus   potatoes   Design  Challenges:   •  Avoiding  microbe  growth  and  exposure  to  light       •  Maintaining  low  temperature  and  high  rela8ve  humidity   •  Keeping  low  construc8on  and  opera8ng  cost  
  6. 6. Our  Interna&onal  Team   Nepal  Team     Tribhuvan  University,  Ins8tute  of  Engineering,     Pulchowk  Campus,  Nepal     •  Needs  assessment   •  Prototype  developement   •  Prac8cal  implementa8on  of  the  system   Japan-­‐Norway  Team     Tokyo  Ins8tute  of  Technology,  Japan   University  of  Oslo,  Norway     •  Prototype  development   •  Seek  for  project  funding  sources   •  Interna8onal  connec8ons  
  7. 7. Potato  Preserva&on  Technology   System  Parts   •  UV  irradia8on  module     •  Food  storage  structure   •  Evapora8ve  cooling  module   •  Temperature  and  humidity   control  system      Key  Features     •  Stores  potatoes  for  as  long  as  6  months     •  Less  than  10%  weight  loss   •  The  materials  and  equipment  are  mostly   available  locally   •  Lible  resources  for  maintenance   •  Encourage  local  entrepreneurship  
  8. 8. Storage  Unit   •  Place  the  storage  bin  underground  for   insula8on   •  Use  locally  available  materials  for  wall   panels  (e.g.  rice  straw)     •  Mul8ple  chambers  for  ease  of   handling  and  sharing  among   beneficiaries   •  Cooling  air  distribu8on  important  to   avoid  hot  spots  and  CO2  accumula8on     Perforated   pipes  Air  from   fan  
  9. 9. Cooling  Control  System   •  Uses  microcontroller  system   •  Equip  with  temperature  (Ta)  and   rela8ve  humidity  (RH)  sensor  to   measure  the  condi8ons  inside   storage  bin   •  Control  fan  according  to  the   temperature  and  RH  inside  the  bin     1.  Microcontroller   2.  Sensor  (RH  and  Temp)   3.  LCD  display   4.  Regulated  LED   2 1 3 4
  10. 10. Mondialogo  Engineering  Project   United  Na&ons  Millennium   Development  Goals   •  Food  security   •  Poverty  reduc8on   •  Environmental  protec8on   Mondialogo  Engineering  Gold  Award  Winner  2008/09  !!   •  Selected  among  932  submibed   project  ideas  from  94  coun8es   •  Awarded  with  €15,000  as  seed   funding  for  the  implementa8on   of  the  project     Me  and  Ben  Allan  presen8ng  at  Mondialogo  Symposium  2009,  Germany  
  11. 11. Thank  You  !  

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