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What will happen to the rate of heat transfer? ZAH Difference between inside and outside temperatures is increased? Wall thickness has increased? Wall area is increased? Thermal conductivity is increased Heat transfer will... increase decrease increase decrease increase decrease increase decrease no change no change no change no change

What will happen to the rate of heat transfer? ZAH Difference between inside and outside temperatures is increased? Wall thickness has increased? Wall area is increased? Thermal conductivity is increased Heat transfer will... increase decrease increase decrease increase decrease increase decrease no change no change no change no change

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Which house uses more energy. Haron's house in June or Areum's house in December? Why do you think so? Haron's House Areum's House YLEENEDGARD ** TALE Seoul, Korea Singapore 3-bedroom 2 bathrooms 4-bedroom, 3 bathrooms Well insulated Poody insulated Built 1997 Bricks and cement only Built 1925, renovated 2005 Bricks with wood siding 3 heaters 3 air-conditioning units As Uncle Areum and Uncle Haron continue to argue, you slip away to another (quieter) room. Pulling out a pad of paper, you begin to think about what factors will have an influence on how much energy is needed to heat or cool each house. AT R- R=AA 9 MMMMMM TITE
Transcribed Image Text:Which house uses more energy. Haron's house in June or Areum's house in December? Why do you think so? Haron's House Areum's House YLEENEDGARD ** TALE Seoul, Korea Singapore 3-bedroom 2 bathrooms 4-bedroom, 3 bathrooms Well insulated Poody insulated Built 1997 Bricks and cement only Built 1925, renovated 2005 Bricks with wood siding 3 heaters 3 air-conditioning units As Uncle Areum and Uncle Haron continue to argue, you slip away to another (quieter) room. Pulling out a pad of paper, you begin to think about what factors will have an influence on how much energy is needed to heat or cool each house. AT R- R=AA 9 MMMMMM TITE
4. What will happen to the rate of heat transfer? V. Difference between inside and outside temperatures is increased? Heat transfer will... decrease increase no change Wall thickness has increased? Wall area is increased? increase decrease increase change Thermal conductivity is increas increase no change After much thous bbling, you come up with a single equation that describes how these interrelated: 0= AT/R Confident that you are on the right track, you decide you are ready to do some calculations. You look up values for thermal conductivities in the internet, use the house dimensions the surface area of each house, and make some reasonable estimates for wall thickness and temperatures. Soon you have an answer and retur wnstairs uncles. 5. Estimate the missing values and calculate the heat lost/gained from each house. Support your estimation with assumptions you have made. Haron's House Areum's House Resistance (R): Resistance (R): Temperature Difference (AT): Temperature Difference (AT): 1/day Q J/day Which house uses more energy: Haron's house in June or Areum's house in December? Why do you think so?
Transcribed Image Text:4. What will happen to the rate of heat transfer? V. Difference between inside and outside temperatures is increased? Heat transfer will... decrease increase no change Wall thickness has increased? Wall area is increased? increase decrease increase change Thermal conductivity is increas increase no change After much thous bbling, you come up with a single equation that describes how these interrelated: 0= AT/R Confident that you are on the right track, you decide you are ready to do some calculations. You look up values for thermal conductivities in the internet, use the house dimensions the surface area of each house, and make some reasonable estimates for wall thickness and temperatures. Soon you have an answer and retur wnstairs uncles. 5. Estimate the missing values and calculate the heat lost/gained from each house. Support your estimation with assumptions you have made. Haron's House Areum's House Resistance (R): Resistance (R): Temperature Difference (AT): Temperature Difference (AT): 1/day Q J/day Which house uses more energy: Haron's house in June or Areum's house in December? Why do you think so?
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