Heat transfer in buildings - Revision history

Designing Buildings at 06:59, 13 August 2024

2024-08-13T06:59:35Z

← Older revision		Revision as of 06:59, 13 August 2024
Line 1:		Line 1:
−	[[File:~~Thermal comfort~~.jpg]]	+	[[File:Thermal_comfort.jpg\|link=File:Thermal_comfort.jpg]]

	= Introduction =		= Introduction =
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	= Mass transfer =		= Mass transfer =

−	NB Mass transfer is sometimes considered alongside heat transfer, as they are very similar and related processes.	+	NB Mass transfer is sometimes considered alongside heat transfer, as they are very similar and related processes. The evaporation of water is an example of simple mass transfer, as the humidity of the air close to the surface of water is higher than that in the surrounding air and so moisture vapour diffuses away from the surface of the water, allowing more water to evaporate.
		+
		+	Mass transfer in buildings is particularly important in cooling processes, such as in cooling towers, chiller units, heat pumps and so on.

	For more information see: Mass transfer.		For more information see: Mass transfer.

Designing Buildings at 06:53, 13 August 2024

2024-08-13T06:53:06Z

← Older revision		Revision as of 06:53, 13 August 2024
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		+	[[File:Thermal comfort.jpg]]
		+
	= Introduction =		= Introduction =

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	Phase change materials can also be used in construction to reduce internal temperature changes by storing latent heat in the solid-liquid or liquid-gas phase change of a material. See Phase change materials for more information.		Phase change materials can also be used in construction to reduce internal temperature changes by storing latent heat in the solid-liquid or liquid-gas phase change of a material. See Phase change materials for more information.

−	= Related articles on Designing Buildings ~~Wiki~~ =	+	= Mass transfer =
		+
		+	NB Mass transfer is sometimes considered alongside heat transfer, as they are very similar and related processes.
		+
		+	For more information see: Mass transfer.
		+
		+	= Related articles on Designing Buildings =

	* Building engineering physics.		* Building engineering physics.

Designing Buildings: Reverted edits by 197.237.187.34 (talk) to last revision by Designing Buildings

2021-11-10T07:10:13Z

Reverted edits by 197.237.187.34 (talk) to last revision by Designing Buildings

← Older revision		Revision as of 07:10, 10 November 2021
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−	= ~~HEAT TRANSFER PROCESS IN BUILDINGS.~~ =	+	= Introduction =

	Heat transfer is the process of thermal exchange between different systems. Generally the net heat transfer between two systems will be from the hotter system to the cooler system.		Heat transfer is the process of thermal exchange between different systems. Generally the net heat transfer between two systems will be from the hotter system to the cooler system.
Line 5:		Line 5:
	Heat transfer is particularly important in buildings for determining the design of the building fabric, and for designing the passive and active systems necessary to deliver the required thermal conditions for the minimum consumption of resources.		Heat transfer is particularly important in buildings for determining the design of the building fabric, and for designing the passive and active systems necessary to deliver the required thermal conditions for the minimum consumption of resources.

−	~~The~~ mechanisms of heat transfer can be described as:	+	Very broadly, the mechanisms of heat transfer can be described as:

	* Conduction.		* Conduction.
Line 39:		Line 39:

	Accurately predicting the movement of air within buildings is extremely complicated and can require the use of computational fluid dynamics (CFD) modelling software. See CFD for more information.		Accurately predicting the movement of air within buildings is extremely complicated and can require the use of computational fluid dynamics (CFD) modelling software. See CFD for more information.
		+
		+	See convection for more information.

	NB: Fluids can also be used to transfer heat within a building by 'mass transfer', for example by the flow of a refrigerant, chilled water or hot water around a building to provide heating or cooling.		NB: Fluids can also be used to transfer heat within a building by 'mass transfer', for example by the flow of a refrigerant, chilled water or hot water around a building to provide heating or cooling.
Line 59:		Line 61:

	Phase change materials can also be used in construction to reduce internal temperature changes by storing latent heat in the solid-liquid or liquid-gas phase change of a material. See Phase change materials for more information.		Phase change materials can also be used in construction to reduce internal temperature changes by storing latent heat in the solid-liquid or liquid-gas phase change of a material. See Phase change materials for more information.
		+
		+	= Related articles on Designing Buildings Wiki =
		+
		+	* Building engineering physics.
		+	* Building services.
		+	* CFD.
		+	* Chiller unit.
		+	* Conduction.
		+	* Convection.
		+	* Cooling tower.
		+	* Cool paint.
		+	* Emissivity.
		+	* Heat gain.
		+	* Heat loss.
		+	* Heat source.
		+	* Heat transfer coefficient.
		+	* Indoor air velocity.
		+	* Insulation.
		+	* Latent heat.
		+	* Mass transfer.
		+	* Mean radiant temperature.
		+	* Natural ventilation.
		+	* Passive building design.
		+	* Phase change.
		+	* Radiation.
		+	* Refrigerants.
		+	* Solar gain.
		+	* Tempering heating.
		+	* The effects of electromagnetic fields in the workplace.
		+	* Thermal bridge.
		+	* Thermal comfort.
		+	* Thermal performance
		+	* Thermal optical properties.
		+	* Thermal mass.
		+	* Thermal resistance.
		+	* Types of domestic heating system.
		+	* Types of heating.
		+	* U value.

	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Theory]] [[Category:Design]]		[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Theory]] [[Category:Design]]

197.237.187.34 at 06:03, 10 November 2021

2021-11-10T06:03:41Z

← Older revision		Revision as of 06:03, 10 November 2021
Line 1:		Line 1:
−	= ~~Introduction~~ =	+	= HEAT TRANSFER PROCESS IN BUILDINGS. =

	Heat transfer is the process of thermal exchange between different systems. Generally the net heat transfer between two systems will be from the hotter system to the cooler system.		Heat transfer is the process of thermal exchange between different systems. Generally the net heat transfer between two systems will be from the hotter system to the cooler system.
Line 5:		Line 5:
	Heat transfer is particularly important in buildings for determining the design of the building fabric, and for designing the passive and active systems necessary to deliver the required thermal conditions for the minimum consumption of resources.		Heat transfer is particularly important in buildings for determining the design of the building fabric, and for designing the passive and active systems necessary to deliver the required thermal conditions for the minimum consumption of resources.

−	~~Very broadly, the~~ mechanisms of heat transfer can be described as:	+	The mechanisms of heat transfer can be described as:

	* Conduction.		* Conduction.
Line 39:		Line 39:

	Accurately predicting the movement of air within buildings is extremely complicated and can require the use of computational fluid dynamics (CFD) modelling software. See CFD for more information.		Accurately predicting the movement of air within buildings is extremely complicated and can require the use of computational fluid dynamics (CFD) modelling software. See CFD for more information.
−
−	~~See convection for more information.~~

	NB: Fluids can also be used to transfer heat within a building by 'mass transfer', for example by the flow of a refrigerant, chilled water or hot water around a building to provide heating or cooling.		NB: Fluids can also be used to transfer heat within a building by 'mass transfer', for example by the flow of a refrigerant, chilled water or hot water around a building to provide heating or cooling.
Line 61:		Line 59:

	Phase change materials can also be used in construction to reduce internal temperature changes by storing latent heat in the solid-liquid or liquid-gas phase change of a material. See Phase change materials for more information.		Phase change materials can also be used in construction to reduce internal temperature changes by storing latent heat in the solid-liquid or liquid-gas phase change of a material. See Phase change materials for more information.
−
−	~~= Related articles on Designing Buildings Wiki =~~
−
−	* Building engineering physics.
−	* Building services.
−	* CFD.
−	* Chiller unit.
−	* Conduction.
−	* Convection.
−	* Cooling tower.
−	* Cool paint.
−	* Emissivity.
−	* Heat gain.
−	* Heat loss.
−	* Heat source.
−	* Heat transfer coefficient.
−	* Indoor air velocity.
−	* Insulation.
−	* Latent heat.
−	* Mass transfer.
−	* Mean radiant temperature.
−	* Natural ventilation.
−	* Passive building design.
−	* Phase change.
−	* Radiation.
−	* Refrigerants.
−	* Solar gain.
−	* Tempering heating.
−	* The effects of electromagnetic fields in the workplace.
−	* Thermal bridge.
−	* Thermal comfort.
−	* Thermal performance
−	* Thermal optical properties.
−	* Thermal mass.
−	* Thermal resistance.
−	* Types of domestic heating system.
−	* Types of heating.
−	* U value.

	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Theory]] [[Category:Design]]		[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Theory]] [[Category:Design]]

Designing Buildings at 06:24, 7 July 2021

2021-07-07T06:24:09Z

← Older revision		Revision as of 06:24, 7 July 2021
Line 96:		Line 96:
	* Thermal mass.		* Thermal mass.
	* Thermal resistance.		* Thermal resistance.
−	* Types of heating system.	+	* Types of domestic heating system.
		+	* Types of heating.
	* U value.		* U value.

	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Theory]] [[Category:Design]]		[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Theory]] [[Category:Design]]

Editor at 17:07, 12 February 2021

2021-02-12T17:07:29Z

← Older revision		Revision as of 17:07, 12 February 2021
Line 71:		Line 71:
	* Convection.		* Convection.
	* Cooling tower.		* Cooling tower.
		+	* Cool paint.
	* Emissivity.		* Emissivity.
	* Heat gain.		* Heat gain.

Designing Buildings at 10:35, 4 September 2020

2020-09-04T10:35:28Z

← Older revision		Revision as of 10:35, 4 September 2020
Line 98:		Line 98:
	* U value.		* U value.

−	[[Category:Theory]] [[Category:Design]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Theory]] [[Category:Design]]

Editor at 18:04, 26 May 2020

2020-05-26T18:04:30Z

← Older revision		Revision as of 18:04, 26 May 2020
Line 87:		Line 87:
	* Refrigerants.		* Refrigerants.
	* Solar gain.		* Solar gain.
		+	* Tempering heating.
	* The effects of electromagnetic fields in the workplace.		* The effects of electromagnetic fields in the workplace.
	* Thermal bridge.		* Thermal bridge.

Editor at 18:09, 2 September 2019

2019-09-02T18:09:57Z

← Older revision		Revision as of 18:09, 2 September 2019
Line 90:		Line 90:
	* Thermal bridge.		* Thermal bridge.
	* Thermal comfort.		* Thermal comfort.
		+	* Thermal performance
	* Thermal optical properties.		* Thermal optical properties.
	* Thermal mass.		* Thermal mass.

Designing Buildings at 12:58, 19 August 2019

2019-08-19T12:58:02Z

← Older revision		Revision as of 12:58, 19 August 2019
Line 68:		Line 68:
	* CFD.		* CFD.
	* Chiller unit.		* Chiller unit.
−	* Co-heating test.
	* Conduction.		* Conduction.
	* Convection.		* Convection.
	* Cooling tower.		* Cooling tower.
	* Emissivity.		* Emissivity.
−	* Floor insulation.
	* Heat gain.		* Heat gain.
	* Heat loss.		* Heat loss.
−	* Heat pump.
	* Heat source.		* Heat source.
	* Heat transfer coefficient.		* Heat transfer coefficient.
Line 87:		Line 84:
	* Passive building design.		* Passive building design.
	* Phase change.		* Phase change.
−	* Phase change materials.
	* Radiation.		* Radiation.
	* Refrigerants.		* Refrigerants.
−	* Roof insulation.
	* Solar gain.		* Solar gain.
	* The effects of electromagnetic fields in the workplace.		* The effects of electromagnetic fields in the workplace.
	* Thermal bridge.		* Thermal bridge.
		+	* Thermal comfort.
	* Thermal optical properties.		* Thermal optical properties.
	* Thermal mass.		* Thermal mass.