Pot-in-pot refrigerator - Wikipedia In rural northern Nigeria in the 1990s, Mohamed Bah Abba developed the Pot-in-Pot Preservation Cooling System, consisting of a small clay pot placed inside a larger one, and the space between the two filled with moist sand
Clay Pot Refrigeration: Old Tech That Still Cools Food A Zeer pot, also called a pot-in-pot refrigerator, is a non-electric cooler that runs on passive evaporative cooling Two unglazed clay pots nest together with a layer of wet sand between them
How to Make a Zeer Clay Pot Refrigerator: A Cool Solution for . . . This ingenious device consists of two clay pots, one smaller pot nested inside the larger one, with the gap between them filled with sand Water is poured into the sand, which gradually seeps through the porous clay material and evaporates from the surface
How Zeer Pots Work: The Science Behind Natural Cooling A Zeer pot consists of two clay pots, one placed inside the other, with the space between them filled with sand The outer pot is slightly larger, while the inner pot is smaller and serves as the storage chamber for food items
Zeer pot refrigerator Design - Appropedia, the sustainability wiki In the case of the Zeer refrigerator, water evaporates out of the sand through the surface of the outer clay pot and from the whole top surface of the moist sand exposed to the solar radiation, removing energy from the system
Pot-in-pot refrigerator explained In rural northern Nigeria in the 1990s, Mohamed Bah Abba developed the Pot-in-Pot Preservation Cooling System, consisting of a small clay pot placed inside a larger one, and the space between the two filled with moist sand
Unlocking the Cool: How to Make a Zeer Clay Pot Refrigerator Whether you live in a hot climate or simply want to try a green alternative, creating a Zeer pot is a rewarding project In this guide, we will delve into the entire process of making your own Zeer clay pot refrigerator, along with its benefits, workings, materials needed, and maintenance tips
technology Making a zeer pot fridge - learn. tearfund. org This allows the air to flow underneath and helps the cooling process Put fruit, vegetables and sorghum in the smaller pot, which is covered with a damp cloth the pots so that it remains moist The zeer pot needs to be he outer surface of the larger pot This evaporation makes the temperature drop by several degrees, cooling the inner pot and ex