'Someshine' Simulation-based Energy Design

Modar Ali

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

‘Cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

almost square shape house with a tent-shape roof and appr.

100 m² floor area of which about 1 million still exist in the countryside according to estimations. This design became widespread sometime in the 1960s in Hungary, and remained a prevailing one of family housing till the late 1980s when it was replaced by the ‘alpine’ version.

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

‘Kádár’ cube houses

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

The Solar Decathlon is the world's leading international university innovation competition in the field of construction.

While racing houses are generally diverse in appearance and characteristics, each is typically a contemporary, lively, environmentally sustainable / self-sustaining, people-centered home that combines the features of a modern, practical and sustainable family (model) home.

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Solar Decathlon

Old state New approach Space organization

Shades Orientation Envelope

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Design concept

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Construction

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

The building

Total heating and cooling, kW

14 heating

cooling

12.71

20 12

18

17.39

34.87%

16

10

14 8

11.326

12 6.726

10

6 4.68

4.6

4

8

6 4

2

2 0

0 Old cube house

New design

Old cube house

New design

- - - Modar Ali - Prof. Dr. István Kistelegdi

Energy, load kW

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

Thermal simulations conducted with IDA ICE software

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Heating and cooling load simulations

Daylight factor over 1.7%

100.00% 91.80%

90.00%

80.00%

70.00%

60.00% 60.40%

50.00%

40.00%

30.00%

20.00%

10.00%

0.00% Old cube house New designl

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Daylight factor

Mean air temperature on 6th of August at 2 pm

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Yearly energy and comfort simulations

Mean air temperature on 13th of January at 2 pm

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Yearly energy and comfort simulations

Old cube house

bedroom

Dining room

New design

operative temperature (hours)

4500

4000

3500

3985

3227

3000

bedroom

2500 2504

2000

1500 1345

1000

500

0 Dining room

Old cube house bedroom

New design

Dining room

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Indoor operative temperature

Indoor air quality Old cube house New design

No. of hours: 2574 29.37%

Bedroom Bedroom

Dining room Dining room

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

CO2 < 800 ppm

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

HVAC and control systems

CFD simulations conducted with ANSYS Fluent software

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

Ventilation and aerodynamics

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition

2nd place in architecture 3rd place in energy efficiency Community award Industry award

- - - Modar Ali - Prof. Dr. István Kistelegdi

15th Miklós Iványi International PhD & DLA Symposium, Pécs 29.10.2019

‘cube house’ refurbishment in Hungary - A new design approach in the framework of Solar Decathlon 19 Competition