Passive Solar, definition of

Passive Solar

A flow battery, or a redox flow battery (after reduction–oxidation), is a type of rechargeable battery where rechargeability is provided by two chemical components dissolved in liquids contained within the system and separated by a membrane.


One of the biggest advantages of flow batteries is that they can be almost instantly recharged by replacing the electrolyte liquid, while simultaneously recovering the spent material for re-energization.

Different classes of flow cells (batteries) have been developed, including redox, hybrid and membraneless. The fundamental difference between conventional batteries and flow cells is that energy is stored as the electrode material in conventional batteries but as the electrolyte in flow cells.

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EcoWho blog posts where 'Passive Solar' used:
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    Passive Solar is often banded around as a good thing to do to make your house more green; we look at it in more detail.
Online tools where 'Passive Solar' used:
  • Passive Solar Design Eaves Calculator
    Works out the ideal Eave depth for a given height of window and world location; so the Sun comes in in Winter but not Summer, maximizing the passive solar effect.

Related Tags: passive solar, architecture, green building

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What is Passive Solar?
Passive Solar definition.
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Passive Solar Design

A flow battery, or a redox flow battery (after reduction–oxidation), is a type of rechargeable battery where rechargeability is provided by two chemical components dissolved in liquids contained within the system and separated by a membrane.


One of the biggest advantages of flow batteries is that they can be almost instantly recharged by replacing the electrolyte liquid, while simultaneously recovering the spent material for re-energization.

Different classes of flow cells (batteries) have been developed, including redox, hybrid and membraneless. The fundamental difference between conventional batteries and flow cells is that energy is stored as the electrode material in conventional batteries but as the electrolyte in flow cells.

EcoWho Articles where 'Passive Solar' used:
  • Low Allergen Building Design
    Low allergen design is a whole building approach that aims to reduce and avoid all known allergens, and to minimize the conditions in which they occur. This article shows you how.
EcoWho blog posts where 'Passive Solar' used:
  • Passive Solar Design advice
    Passive Solar design can be applied to existing buildings as well as new buildings. We explain some useful techniques and give links to useful resources.
Online tools where 'Passive Solar' used:
  • Passive Solar Design Eaves Calculator
    Works out the ideal Eave depth for a given height of window and world location; so the Sun comes in in Winter but not Summer, maximizing the passive solar effect.
News & Blog articles where 'Passive Solar' used:

Related Tags: passive solar, green building, thermal mass, solar homes

Search the Web for Passive Solar Design
What is Passive Solar?
Passive Solar definition.
About Passive Solar.
Passive Solar Energy

Passive Solar Energy is the energy captured by a building from the Sun and used to either heat or cool a building.


The heating is usually a direct mechanism, where as the cooling is done by using the Sun's energy to help displace heat within a building, for instance by 'sucking' air through a property using a roof ventilation system.

News & Blog articles where 'Passive Solar' used:

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Search the Web for Passive Solar Energy
What is Passive Solar?
Passive Solar definition.
About Passive Solar.
Passive Solar Heating

Passive solar heating is one of several design approaches collectively called passive solar design. When properly combined, these strategies contribute to the heating, cooling, and day lighting of nearly any building. The types of buildings that benefit from the application of passive solar heating range from houses to large office facilities.

Passive solar heating typically involves:
  • Solar energy collection through properly-oriented, south-facing windows.
  • Storage of this energy by "thermal mass," which are building materials with high heat capacity such as concrete slabs, brick walls, or tile floors.
  • Distribution of the stored solar energy back to the living space, as required, via the mechanisms of natural convection and radiation.
  • Window specifications to allow higher solar heat gain coefficient for Solar facing glazing.
Passive solar heating systems do not have a high initial cost or long-term payback periods, both common with many active solar heating systems. 

Another benefit to passive solar heating is increased comfort: if properly designed, passive solar buildings are bright and sunny and in tune with climate and nature. As a result, there are fewer fluctuations in temperature, resulting in a higher degree of temperature stability and thermal comfort.

News & Blog articles where 'Passive Solar' used:

Related Tags: passive solar, thermal mass

Search the Web for Passive Solar Heating
What is Passive Solar?
Passive Solar definition.
About Passive Solar.

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