Sustainable Systems Assignment No.2

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Sustainable Systems Assignment No.2ENERGY EFFICIENCYDue date: 03 Oct 2021 11:59 PMWord limit: 2000 to 3000 wordsTotal mark: 35%Hints for writing report: Executive summary should summarize the information in the report within 250words. Introduction should summarize the purpose and context of the report. References can bechosen from ScienceDirect, reliable web pages in internet, or Google Scholar databases. You shoulduse Harvard WesternSydU referencing style. Refer the guide from the WSU library website(https://library.westernsydney.edu.au/main/guides/referencing-citation) for referencing. Work shouldbe your original work.This section requires you to write a report as a way of answering questions. Please consider thefollowing scenario based on your ID. N is the last digit of your ID.A house has the followingcharacteristics:The number of bedrooms = ID ending with 0-3, 1 bedrooms; ID ending with 4-6, 2 bedrooms; IDending with 7-9, 3 bedrooms.No of people = (1 + whole number of (N/2)) (both husband and wife are working from 9 AMto 4 PM and each travels separately by car on average N*5 km; kids walk to school between 9AM and 3 PM but all reaches home at around 5 PM).For other uses, car travels N*11 km per week on average. Car uses the petrol at 8 + N*0.4Km/L. The average cost for petrol is $1.2/LCook top and hot water uses LPG gas. Energy obtained from gas use is around 90+N*5 MJ/dayand the gas utility bills every three months as follows:
First 0-1885 MJ
4.05 c/MJ
Next 1886-3740 MJ
2.76 c/MJ
>3741 MJ
2.66 c/MJ
Supply charge
67 c/day
Find the appropriate pricing of electricity charges from your internet research, and list as part of thereport. Mark counted with other parts.Every person on an average uses 4 hr of lighting in the house. Assume all the lights are incandescent(70 W) for odd N values; and 50% incandescent (70 W) + 50% of tube bulb (40 W) for evenN values.Assume the house has some insulation (can tolerate 22±3 oC, has single-layered glass window) forN values 0-4; and good insulation (can tolerate 22±N*0.5 oC has single layered glass window)for N values 5-9. Air conditioner (A/C) runs when temperature is above or below the tolerabletemperature. Use typical monthly temperature as shown in Figure 1. A/C only works when all thepeople are in the home, i.e from 6 PM to 12 AM on weekdays and anytime between 6 AM and12 AM during weekends depending on the temperature. Assume monthly average high temperature(Tmax, average) +(15+N*2)% of Tmax,average is valid for day time temperature for the monthand ½*(monthly average high + monthly average low) is valid between 6 PM and 12 AM. A/Cconsumes 2500 +200*N W when it runs. Chose appropriate approximations and calculation procedureas needed.Figure 1: Average monthly temperature in Parramatta, Bureau of Meteorology, Australia, 2020The Question number must include while writing an answer.a. Executive summary (2%)b. Problem definition and context as an introduction(i.e. key literature energy finding, current energy consumption and reduction method) (2%)c. Literature summary on the status of Australian energy use and carbon emission:Search the internet to look for sources of energy, per capita energy use and per capitacarbon emission in Australia and worldwide (North America ID ending with 0-2, Europe IDending with 3-5, Asia ID ending with 6- 7, Africa ID ending with 7-8) and write a summary(key figures and tables can be included with the text). Your summary should demonstratethe position of Australia with respect to other countries and the future outlook in terms ofsources, key energy users, energy use, carbon emission and climate change. Read about theDoha amendment to Kyoto protocol, the Paris agreement to which Australia has ratified andindicate how Australia could meet it and what are the impediments.When it comes to a household determine what percentage of per capita values of energy andcarbon emission is expected.(10%)d. What organisations (regulatory and/or voluntary) in Australia promote energy efficiency? Howis this demonstrated for products for use in your chosen household. State selection guide:NSW (ID ending in 0 or 1), SA (ID ending in 2 or 3), VIC (ID ending in 4 or 5),QLD (ID ending in 6 or 7), WA (8 or 9). (2%)e. Analysis of household: Summarise all the energy consuming devices including car and annualenergy consumption (in KWh) and CO2 emission (metric ton – CO2 equivalent) for yourcase in a Table. Show all calculations and diagram of the house.(5%)f. Identify all relevant information regarding possible alternatives and identify opportunities toreduce energy consumption (especially CO2 emission and cost) (5%)g. Perform the cost benefit analysis (real payback period with 10% per annum interest) for twoimprovement options. Can use excel but a sample calculation sheet should be given.(5%)h. Conclude the best option of the two in (g). Provide reasoning (i.e., in terms of energyefficiency, cost, environmental benefit, % reduction in per-capita CO2 emission and energyconsumption)(3%)i. References (Provide in-text citation in the report)(1%)

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