ENGT5261: Building Performance Modelling - Dynamic Thermal Simulation - Dry-Resultant Temperature - Engineering Assignment Help

Assignment Task:

The learning outcomes that are assessed by this coursework are: 
1. Use an understanding of building physics, and apply modeling techniques in realistic building energy simulation exercises. 
2. Students will be able to critically evaluate energy, thermal, airflow, solar and daylighting simulation results and use them to make coherent recommendations. 
3. Write technical reports on climatic and building analysis in a form suitable for clients to a high standard.

Tasks 
1. Construct the building geometry as shown in Appendix A below using IES ModelIT. 
2. Implement a simple fixed rate ventilation strategy based on the natural ventilation rates recommended in CIBSE Guide A (CIBSE 2016). 
3. Implement appropriate heating (and if necessary cooling) strategy to ensure that comfortable indoor conditions are maintained during working hours. Use the heating set-point given below (and include an appropriate cooling set-point if necessary). 
4. Include sources of internal gain as listed below. 
5. Carry out a dynamic thermal simulation over a typical year using appropriate local weather data. 
6. Carry out an evaluation of the thermal comfort and indoor air quality predicted in the occupied spaces and the overall energy consumption of the building. 
a. Determine if the predicted dry-resultant temperature in each occupied room exceeds the maximum recommended temperature for offices

b. Determine if the predicted indoor air quality in each occupied room meets the IDA2 standard c. Compare the predicted energy consumption with good practice.

Other Information 
Local planning regulations limit the height of building developments in this location to 15m. 
Assume the building is to be heated, with a heating set-point of 21°C, from 1st January to 30th April, and from 1st October to 31st December, during occupied hours. 
Occupancy densities are 1 person per 10m2 on the ground and first floor and 1 person per 5m2 on the second floor. Occupants are present from 8 am until 6 pm with 20% occupancy for the first hour, the last hour and the period midday until 2 pm, Monday to Friday. At all other times, you should assume that the building is unoccupied. The lobby areas and stairwell are transition spaces and should be modeled as unoccupied. Assume each person is using a personal computer and there is a printer for every 15 people. You should also account for lighting gains of 8W/m2 on all floors. No other internal heat gains are present. Details of heat gains from computers and people can be found in CIBSE Guide A (CIBSE 2016). Assume that there are similar height buildings on the east and west sides of the building, that there is a large enclosed car park area on the north side of the building and that there is a large open space on the south side of the building. 

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