Improved Cook Stove(ICS)

May 21, 2009

A cooking stove is a device in which fuel is burnt to cook food. Improved cooking stove is a device that is designed to consume less fuel and save cooking time, convenient in cooking process and creates smokeless environment in the kitchen.

ENERGY SCENARIO IN NEPAL

Total Energy Consumption 367.25 Million GJ (WECS, 2006)
Traditional Energy Sources (322.105 mGJ) 87.71 %
Wood (2386.96 mGJ) 78.78 %
Agri-residues (13.964mGJ) 3.8 %
Animal Dung (21.181 mGJ) 5.77%
Commercial (43.195 mGJ) 11.76 %
Petroleum (30.063 mGJ) 8.19 %
Coal ( 6.459 mGJ) 1.76 %
Renewables (1.955 mGj) 0.58 %
Electricity (6.673 mGJ) 1.82 %

Indoor air Pollution: 1.6 million people die each air because of indoor air pollution ( The World Health Report, WHO 2002).

Average Per capita Energy Consumption 15 GJ

Average Per capita Fuel wood consumption 559.5kg

Overall energy Demand is increasing by 3% per annum.

About 86 % of the total energy is used in domestic sector in which more than

90% is used for cooking purposes,

4.6% in industrial sector,

1.1% in trade sector,

3.9% in transport sector and agriculture sector accounts for 0.9% (Economic Survey, 2002).

Annually about 11 million tons of fuel wood are burnt for cooking alone and even with the low performance (11% fuel savings) estimates indicates that one ICS can save on average one metric ton of fuel wood annually (WECS, 1996).

During last five years, about 52,300 ICS have been installed in various parts of the country and the percentage of the rural households using ICS is still less than 10 % according to NLSS data.

Indoor air Pollution: 1.6 million people die each air because of indoor air pollution ( The World Health Report, WHO 2002)

treeTree

A Tree living for 50 Years Generates –

Rs. 5.3 lakhs worth of Oxygen

Rs. 6.4 lakhs worth of soil Fertilizer

Rs. 6.4 lakhs worth of Soil Erosion Control

Rs. 10.5 lakhs worth of Air Pollution Control

Rs. 5.3 lakhs worth of shelter for Birds and Animals besides fruits and Vegetable

So When a Tree is Cut the net loss is worth more than Rs. 33 lakhs.[ Source: – Mucosol ]

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Efficiency of Stove Net efficiency of a cooking stove depends upon various parameters and test conditions such as

  • Altitude of test location
  • Ambient temperature
  • Atmospheric pressure
  • Specific heat capacity of vessel taken for test
  • Size of vessel
  • Bottom and overall shape of vessel
  • Weight of vessel and
  • The amount of the cooking specimen (water) taken
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