Assignment Task:

Learning Outcomes: (ENGT5261)
1. Use understanding of building physics, and apply modelling 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.

 

How the work will be marked:
 To achieve a ‘Distinction’ mark of 90 - 100%, the work must demonstrate an exceptional ability and insight, indicating the highest level of technical competence. It must have the potential to influence the forefront of the subject, it may be of publishable quality and it must demonstrate relevant generic skills at the highest
possible standard.
• To achieve a ‘Distinction’ mark of 80 - 89%, the work must demonstrate an outstanding ability and insight based on authoritative subject knowledge and a very high level of technical competence. It must be considered to be close to the forefront
of the subject, it may be close to publishable quality and it must demonstrate relevant generic skills at a very high level.
• To achieve a ‘Distinction’ mark of 70 - 79%, the work must demonstrate authoritative, current subject knowledge and a high level of technical competence. It must be accurate and extensively supported by appropriate evidence, it may show some
originality with clear evidence of capacity to reflect critically and deal with ambiguity in the data, and it must demonstrate relevant generic skills at a high level.
• To achieve a ‘Merit ‘ mark of 60 - 69%, the work must demonstrate a sound, current subject knowledge it must contain no significant errors in the application of concepts or appropriate techniques but it may contain some minor flaws. It must be well
developed and coherent, it may show some originality and clear evidence of capacity to reflect critically and it must demonstrate relevant generic skills at a good level.
• To achieve a ‘Pass’ mark of 50 - 59%, the work demonstrates satisfactory subject knowledge, with some evident weaknesses; possibly shown by conceptual gaps, or limited use of appropriate techniques. The work is generally sound but tends toward
the factual or derivative, with limited evidence of capacity to reflect critically. The work must demonstrate relevant generic skills at a satisfactory level.
• A ‘Fail’ a mark of 40 - 49% indicates that the work demonstrates limited core subject knowledge and contains some important weaknesses; possibly shown by factual errors, conceptual gaps, or limited use of appropriate techniques. The worksound development; it provides little evidence of capacity to reflect critically and demonstrates a quality of the relevant generic skills that do not meet the requirements of the task.
• A ‘Fail’ a mark of <30 indicates that the work demonstrates inadequate subject knowledge. It lacks coherence and evidence of capacity to reflect critically and demonstrates a quality of relevant generic skills that do not meet the requirements of the task.

 

Assignment brief
In this assignment you are required to use IES to model the thermal and energy performance of a multi-storey office building.
 

Outline
You have been commissioned by the project manager responsible for the development of a smalloffice building to be built in Ankara, Turkey. Your role is to assess the thermal performance and energy performance of the proposed concept design. The client wishes to minimise energy consumption whilst maintaining a comfortable indoor environment. The architect has therefore proposed a naturally ventilated building in an attempt to avoid the use of air conditioning. However, doubt has been expressed about the suitability of this approach to deliver adequate performance. You have therefore been commissioned to carry out an initial assessment based on an assumption that natural ventilation without mechanical cooling can provide adequate ventilation for at least most of the year (a detailed assessment of natural ventilation and daylight performance will be the subject of a separate study).
 

Tasks  (ENGT5261)
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 an 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 given in CIBSE Guide A (CIBSE 2016),
b. Determine if the predicted indoor air quality in each occupied room meets the IDA2 standard given in CIBSE Guide A (CIBSE 2016), section 4.2.1 and section 4.2.3.
c. Compare the predicted energy consumption with good practice benchmarks given in CIBSE Guide F (CIBSE 2012),
7. Write a technical report documenting your findings and making recommendations for improvements to the building design. These could include recommendations for changes to the building.

 

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  • Uploaded By : Alex Cerry
  • Posted on : June 06th, 2019

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