Post on 21-Dec-2015
EnerkDesign Software for HVAC
Enerk
A.H.C. van
Paassen
and
T.P. van der Stelt
Mei 2003
Enerk
• The program must be recognizable for the designer, i.e. he must have the possibility to indicate his wishes in a Mollier-diagram
• The program must be useful in early development stages
• The program must be clear and educationally justified
Objective of the program
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Program structure
Comfort and heating and cooling load calculation
Statistical processing
- Climate system- Air handling- Energy consumption
Comfort and heating and cooling load calculation
Input room and wall data
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Comfort and heating and cooling load calculation
Input room and wall data
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Input room and wall data Input room
shading data
Comfort and heating and cooling load calculation
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Input room shading data
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Input room and wall data
Comfort and heating and cooling load calculation
Input room shading data Input room
use data
Input room use data
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Input room and wall data
Comfort and heating and cooling load calculation
Input room shading data Input room
use data Climate data accordingshort reference year, reference year 64-65, or any other user data
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Input room and wall data
Day results
Comfort and heating and cooling load calculation
Input room shading data Input room
use data Climate data accordingshort reference year, reference year 64-65, or any other user data
Day results
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Input room and wall data
Day results
Comfort data
Comfort and heating and cooling load calculation
Input room shading data Input room
use data Climate data accordingshort reference year, reference year 64-65, or any other user data
Comfort data
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Input room and wall data
Day results
Comfort data
Comfort and heating and cooling load calculation
Input room shading data Input room
use data Climate data accordingshort reference year, reference year 64-65, or any other user data
Year results
Year results
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Input room and wall data
Day results
Comfort data
Comfort and heating and cooling load calculation
Input room shading data Input room
use data Climate data accordingshort reference year, reference year 64-65, or any other user data
Solar energy
Year results
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Program structure
Comfort and heating and cooling load calculation
Statistical processing
- Climate system- Air handling- Energy consumption
Statistical processing
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Mollier - diagram sector data
Hourly data of heating and cooling load
Output for each sector:Average in- and outside temperature and humidityAverage heating and cooling load Q+,Q–
Frequency of occurrence P+, P–
Statistical processing
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Program structure
Comfort and heating and cooling load calculation
Statistical processing
- Climate system- Air handling- Energy consumption
- Climate system- Air handling- Energy consumption
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Design with Enerk
Climate systemAir handling and control strategy
Total energy consumption
Climate system
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Climate system
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Design with Enerk
Climate systemAir handling and control strategy
Total energy consumption
Air handling and control strategy
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Design control strategy in Mollier-diagram
Add controls until supply air or other desired conditions have been met for
all situations Control steps
visible in diagram
Energy use is displayed
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Design with Enerk
Climate systemAir handling and control strategy
Total energy consumptionTotal energy consumption
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Total energy use
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Costs
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Four different situations
Jaarlijkse kosten per vertrek voor installaties en energiegebruikMiddelzwaar gebouw, orientatie zuid, glasoppervlak = 3.9 m2,
nachtvent: 420m3/h bij 3 en4, geen temp. overschrijdigen bij 1,2en 3
0
100
200
300
400
500
600
700
1 2 3 4
1=binnenzonwering; 2=buitenzonwering (regelbaar); 3=buitenzonwering en regelbaar ventilatie raam;
4=als 3 met minder comfort (100 uren T>25oC)
Eu
ro /
ve
rtre
k
energiekosten
Jaarlijksekapitaalkosteninstallaties &zonwering &raamregeling