Evaporative Cooling Devices - Revision history

Ranisha at 10:10, 7 April 2021

2021-04-07T10:10:07Z

Ranisha at 10:13, 13 July 2020

2020-07-13T10:13:13Z

Leah Stahmann: /* Overview */

2018-10-26T12:03:30Z

‎Overview

Leah Stahmann at 11:59, 26 October 2018

2018-10-26T11:59:22Z

Leah Stahmann: /* Overview */

2018-10-24T19:59:33Z

‎Overview

Leah Stahmann: /* Overview */

2018-10-24T19:53:53Z

‎Overview

Leah Stahmann: /* Overview */

2018-10-24T19:39:12Z

‎Overview

Leah Stahmann: /* Overview */

2018-10-16T22:20:50Z

‎Overview

Leah Stahmann: /* Overview */

2018-10-16T22:18:21Z

‎Overview

Leah Stahmann: /* Overview */

2018-10-16T22:17:39Z

‎Overview

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 = Publications and Tools<br/> =
-*[[Publication_-_Evaluation_of_Evaporative_Cooling_Technologies_for_Improved_Vegetable_Storage_in_Mali_-_Evaluation|MIT D-Lab (2018). Evaluation of Evaporative Cooling Technologies for Improved Vegetable Storage in Mali - Evaluation]]: This publication evaluates the potential for for non-electric evaporative cooling devices (i.e. evaporative cooling chambers” (ECCs) and the clay pot coolers) to address post-harvest vegetable storage challenges in rural Mali.<br/>
-*[http://d-lab.mit.edu/resources/publications/evaporative-cooling-decision-making-tool Evaporative Cooling Decision Making Tool]: This excel based tool helps to determine if evaporative cooling devices are suitable for a specific context, and to guide the calculation of potential financial savings. <br/>
+[https://www.engineeringforchange.org/news/clay-pot-coolers-keep-produce-fresh-without-electricity/ Clay Pot Coolers: Keep Produce Fresh Without Electricity]&nbsp;(2021): Engineering for Change.&nbsp;
-*[[Publication_-_Evaporative_Cooling_Best_Practices_Guide|MIT D-Lab (2018). Evaporative Cooling Best Practices Guide:]] This guide provides best practices for:determining the suitability of evaporative cooling technologies for a specific context, construction and usage of clay pot coolers and evaporative cooling chambers and dissemination approaches
 = References<br/> =
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 <references /><br/>
 [[Category:Africa]]

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 = Overview<br/> =
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 <br/>
 = Suitability<ref>https://bit.ly/2DrGXeP</ref><ref name="Best Practices">https://d-lab.mit.edu/resources/publications/evaporative-cooling-best-practices-guide</ref><br/> =
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 <br/>
-<br/>
+= Publications and Tools<br/> =
-= References =
+*[[Publication_-_Evaluation_of_Evaporative_Cooling_Technologies_for_Improved_Vegetable_Storage_in_Mali_-_Evaluation|MIT D-Lab (2018). Evaluation of Evaporative Cooling Technologies for Improved Vegetable Storage in Mali - Evaluation]]: This publication evaluates the potential for for non-electric evaporative cooling devices (i.e. evaporative cooling chambers” (ECCs) and the clay pot coolers) to address post-harvest vegetable storage challenges in rural Mali.<br/>
 <references /><br/>
 [[Category:Cooling]]

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 = Overview<br/> =
-Evaporative cooling devices are simple and inexpensive ways to keep vegetables fresh without the use of electricity. Evaporative cooling devices include household capacity clay pot coolers, commonly known as "Zeer Pots," and the larger storage [[Evaporative cooling chamber|Evaporative cooling chamber]] (ECC), also known as "zero energy cooling chamber" (ZECC). These devices function according to a basic principle called “evaporative cooling,” where the evaporation of water from a surface removes heat, creating a cooling effect.
+Evaporative cooling devices are simple and inexpensive ways to keep vegetables fresh without the use of electricity. Evaporative cooling devices include household capacity clay pot coolers, commonly known as "Zeer Pots," and the larger storage [[Evaporative cooling chamber|Evaporative cooling chamber]] (ECC), also known as "zero energy cool chamber" (ZECC). These devices function according to a basic principle called “evaporative cooling,” where the evaporation of water from a surface removes heat, creating a cooling effect.
 [[File:Evaporative cooling diagram.png|thumb|center|400px|Diagram of a clay pot cooler with a pot-in-pot configuration, covered by a wet cloth.]]<br/>
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 <br/>
 = Suitability<ref>https://bit.ly/2DrGXeP</ref><ref name="Best Practices">https://d-lab.mit.edu/resources/publications/evaporative-cooling-best-practices-guide</ref><br/> =

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 = Overview<br/> =
-Evaporative cooling devices are simple and inexpensive ways to keep vegetables fresh without the use of electricity. Evaporative cooling devices include household capacity clay pot coolers and the larger storage [[Evaporative cooling chamber|Evaporative cooling chamber]] (ECC). These devices function according to a basic principle called “evaporative cooling,” where the evaporation of water from a surface removes heat, creating a cooling effect.
+Evaporative cooling devices are simple and inexpensive ways to keep vegetables fresh without the use of electricity. Evaporative cooling devices include household capacity clay pot coolers, commonly known as "Zeer Pots," and the larger storage [[Evaporative cooling chamber|Evaporative cooling chamber]] (ECC), also known as "zero energy cooling chamber" (ZECC). These devices function according to a basic principle called “evaporative cooling,” where the evaporation of water from a surface removes heat, creating a cooling effect.
 [[File:Evaporative cooling diagram.png|thumb|center|400px|Diagram of a clay pot cooler with a pot-in-pot configuration, covered by a wet cloth.]]<br/>
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 [[File:Previous vegetable storage methods.png|thumb|center|400px|Deteriorating vegetables in need of improved storage: eggplants and tomatoes stored in a hanging metal dish (left), cabbages, eggplants, and peppers, and lettuce stored on a wet cloth (right)]]<br/>
 = Suitability<ref>https://bit.ly/2DrGXeP</ref><ref name="Best Practices">https://d-lab.mit.edu/resources/publications/evaporative-cooling-best-practices-guide</ref><br/> =
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 === Evaporative Cooling Chambers ===
-Evaporative cooling chambers (ECCs) can be made from locally available materials including bricks, sand, wood, dry grass, gunny/burlap sack, and twine. Roy and Khuridiya’s ECC design is composed of a double brick wall structure, supported by a base layer of brick, and covered with a straw mat. The space in between the two brick walls is filled with sand, which retains the water that is added. If the evaporative cooling chamber is not build in an area that is well shaded, a shed must be constructed to provide shade. Inside the ECC, food is placed in unsealed plastic containers, which keep the vegetables off the ECC’s floor and allows them to breathe and be exposed to the cool, humid air inside the device.<ref name="Best Practices">https://d-lab.mit.edu/resources/publications/evaporative-cooling-best-practices-guide </ref><ref>https://www.youtube.com/watch?v=enOjVc-kN7Q</ref><br/>
+An [[Evaporative cooling chamber|Evaporative cooling chamber]] (ECC) can be made from locally available materials including bricks, sand, wood, dry grass, gunny/burlap sack, and twine. Roy and Khuridiya’s ECC design is composed of a double brick wall structure, supported by a base layer of brick, and covered with a straw mat. The space in between the two brick walls is filled with sand, which retains the water that is added. If the evaporative cooling chamber is not build in an area that is well shaded, a shed must be constructed to provide shade. Inside the ECC, food is placed in unsealed plastic containers, which keep the vegetables off the ECC’s floor and allows them to breathe and be exposed to the cool, humid air inside the device.<ref name="Best Practices">https://d-lab.mit.edu/resources/publications/evaporative-cooling-best-practices-guide </ref><ref>https://www.youtube.com/watch?v=enOjVc-kN7Q</ref><br/>
 [[File:ECC with cover.png|thumb|center|300px|An evaporative cooling chamber (ECC) under a shade cover made from wood, straw, and plastic]]
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 <references /><br/>
 [[Category:Africa]]

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 Evaporative cooling devices are simple and inexpensive ways to keep vegetables fresh without the use of electricity. Evaporative cooling devices include household capacity clay pot coolers and the larger storage [[Evaporative cooling chamber|Evaporative cooling chamber]] (ECC). These devices function according to a basic principle called “evaporative cooling,” where the evaporation of water from a surface removes heat, creating a cooling effect.
-[[File:Evaporative cooling diagram.png|thumb|center|180px|Diagram of a clay pot cooler with a pot-in-pot configuration, covered by a wet cloth.]]<br/>
+[[File:Evaporative cooling diagram.png|thumb|center|400px|Diagram of a clay pot cooler with a pot-in-pot configuration, covered by a wet cloth.]]<br/>
 Evaporative cooling can improve vegetable [[Cold Storage of Agricultural Products|storage]] shelf life by providing a stable storage environment with low temperature and high humidity, which reduces the rate of respiration and water loss and spoilage in most vegetables. The improved storage environment can have positive impacts including reduced post-harvest losses, less time spent traveling to the market, monetary savings, and increased availability of vegetables for consumption.

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 = Overview<br/> =
-Evaporative cooling devices are simple and inexpensive ways to keep vegetables fresh without the use of electricity. Evaporative cooling devices include household capacity clay pot coolers and larger storage [[Evaporative cooling chambers]] (ECCs). These devices function according to a basic principle called “evaporative cooling,” where the evaporation of water from a surface removes heat, creating a cooling effect. Evaporative cooling can improve vegetable [[Cold Storage of Agricultural Products|storage]] shelf life by providing a stable storage environment with low temperature and high humidity, which reduces the rate of respiration and water loss and spoilage in most vegetables. The improved storage environment can have positive impacts including reduced post-harvest losses, less time spent traveling to the market, monetary savings, and increased availability of vegetables for consumption.
+Evaporative cooling devices are simple and inexpensive ways to keep vegetables fresh without the use of electricity. Evaporative cooling devices include household capacity clay pot coolers and the larger storage [[Evaporative cooling chamber|Evaporative cooling chamber]] (ECC). These devices function according to a basic principle called “evaporative cooling,” where the evaporation of water from a surface removes heat, creating a cooling effect. Evaporative cooling can improve vegetable [[Cold Storage of Agricultural Products|storage]] shelf life by providing a stable storage environment with low temperature and high humidity, which reduces the rate of respiration and water loss and spoilage in most vegetables. The improved storage environment can have positive impacts including reduced post-harvest losses, less time spent traveling to the market, monetary savings, and increased availability of vegetables for consumption.
 [[File:Clay pot cooler ECC collage.png|thumb|center|400px|Left: A clay pot cooler with a pot-in-pot configuration<br/>Right: An evaporative cooling chamber (ECC) constructed from bricks with a cover made from dry grass and wood]]<br/>

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