Publication

Refinement of DHW demand modelling in EnerGIS

2014
Student Projects

Abstract

An urban energy system model processing GIS data, which is called EnerGIS, has been developed at the IPESE group. In order to both reuse this model for further applications and to develop new concepts, the focus of this project lies on the refinement of the modelling of the hot water production system in EnerGIS. This is due to the fact that the energy consumption for domestic hot water (DHW) has so far been just sketchily defined. For this purpose, the modelling of the hot water production system will be reviewed and will be compared to other existing modeling methods in order to find potentials for improvements.

Official source

https://infoscience.epfl.ch/entities/publication/e7bc378b-ded0-4321-b2b1-d5cc0652c146

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2014
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/e7bc378b-ded0-4321-b2b1-d5cc0652c146

About this result

Related concepts (15)

Water heating

Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating. In industry, hot water and water heated to steam have many uses. Domestically, water is traditionally heated in vessels known as water heaters, kettles, cauldrons, pots, or coppers. These metal vessels that heat a batch of water do not produce a continual supply of heated water at a preset temperature.

Energy consumption

Energy consumption is the amount of energy used. In the body, energy consumption is part of energy homeostasis. It derived from food energy. Energy consumption in the body is a product of the basal metabolic rate and the physical activity level. The physical activity level are defined for a non-pregnant, non-lactating adult as that person's total energy expenditure (TEE) in a 24-hour period, divided by his or her basal metabolic rate (BMR): Topics related to energy consumption in a demographic sense are: Wo

Solar water heating

Solar water heating (SWH) is heating water by sunlight, using a solar thermal collector. A variety of configurations are available at varying cost to provide solutions in different climates and latitudes. SWHs are widely used for residential and some industrial applications (For example: in Israel). A Sun-facing collector heats a working fluid that passes into a storage system for later use. SWH are active (pumped) and passive (convection-driven). They use water only, or both water and a working fluid.

Related publications (5)

Refinement of DHW demand modelling in EnerGIS

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