Question

1. Your grandmother is concerned about reducing her winter heating bills. Her strategy is to loosely fit rigid polystyrene sheets of insulation over her double-pane windows right after the first freezing weather arrives in the autumn. Cold, dry night air Warm, mois room air Exterior pane Air Rap Interior pane- Insulation Insulation on inner surface Draw a schematic of the scenario (i.e., place the insulation inside the room), and use Acond, conv, and Grad to represent conduction, convection and radiation, respectively.

Answer 1

This diagram nis diagram tells how temperature drops when we mo Room air temp to cold dry outside and tempo e crops when we move from temp gradient hne L a cit shows throp of temp across Sonds L TH & gases] Vinschon 1. minergop Exterier Interior pon PM Conduction [Resistances) ke, R. Не Fig. :::::. ROOM temp Night An - Thd temp. q conduction

tair Oven solid ructing sund Body Connection will happen because of movemed of air overso Santaco. Ar tropped inside ill be treated as Solid conducting sun Figa WARM, MOIST ROOM AIR [Cod dry nighs) grad q connection qcanrectia Always Remember that radiation heat transfor is fastest tran connection, & Conductca. Rad Paz (Toon - Tsiraming or Scara h [Tpon - Tsurrounger) a conductino - Kategorie & conductina -