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en:mervis-analytics:10-carpet-charts [2019/04/17 12:15] j.siroky |
en:mervis-analytics:10-carpet-charts [2019/04/24 08:57] m.chlupac |
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===== Carpet plots ===== | ===== Carpet plots ===== | ||
- | Carpet | + | Carpet |
+ | |||
+ | Below are examples of useful carpet plot applications. | ||
- | Below are examples of useful carpet chars applications. | ||
==== Electrical heating ==== | ==== Electrical heating ==== | ||
- | plots capture average electrical energy consumption during a week. In this case, electricity is used for heating, as can be seen from the first plot (horizontal axis: hour in day, vertical axis: month). There is clear start and end of heating season. | + | Plots capture average electrical energy consumption during a week. In this case, electricity is used for heating, as can be seen from the first plot (horizontal axis: hour in day, vertical axis: month). There is a clear start and end of heating season. |
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- | Detailed look at weekly schedule shows that heating starts at 4 am during working days, except of Monday, when it starts at midnight, see next plot (horizontal axis: hour in day, vertical axis: day of week). There is a clear end of working hours, as expected in case of this office building. | + | |
+ | Detailed look at weekly schedule shows that heating starts at 4 am during working days, except of Monday, when it starts at midnight (horizontal axis: hour in day, vertical axis: day of week). There is a clear end of working hours, as expected in case of this office building. | ||
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==== Cooling outside working hours ==== | ==== Cooling outside working hours ==== | ||
- | Increase of electrical energy use during summer is usually | + | Increase of electrical energy use during summer is usually |
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==== CO2 concentration ==== | ==== CO2 concentration ==== | ||
- | Evaluation of CO2 by means of carpet plot can also provide | + | Evaluation of CO2 by means of carpet plot can also provide |
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==== AHU pressure difference ==== | ==== AHU pressure difference ==== | ||
- | HVAC appliance operation can be investigated by means of carpet plots as well. Bellow is a carpet plot (horizontal axis: day, vertical axis: hour of day) of AHU pressure difference. It shows regular regime with some irregularities at the end of shown interval. Note that these irregularities cannot be easily found using a classical | + | |
+ | HVAC appliance operation can be investigated by means of carpet plots as well. Bellow is a carpet plot (horizontal axis: day, vertical axis: hour of day) of AHU pressure difference. It shows regular regime with some irregularities at the end of displayed | ||
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