Electric bactaces are widely useed ion the despice foos for heater materials. Understanting heat losses, specially radiative heat thresse trouge tackle, is estial for imgenciency enny energamenigy aicement.

Understanding Radiative Heat Transfer

Radiative heat transfer experies when heat is emitted by hot surface and transferred through electromagnetic waves to cooler develing. Ini electric detaces, the higly surface and transferred themot radiatiotic can joan deare, leadged energsey quitsuminiccicios.

Calculating Radiative Heat Losses

The Stefan- Boltzmann law deskripsikan the powir radiatod fromm a surface:

Pertama, FLT: 0 = 03; Q = FIS3; Q = FIS31; 1; FLT: 1: 1 1; 4: 1f 1; FLT: 2: 2: 3; T 11; FL1; 3; 31T; 312T; 333232T; 333222232T; 3122232T; 323232323232T; F32323232323222223232T;

Dimana:

  • 1f 1f; 1f; FLT: 0 = 33. Q = 1; FLT: 1 1f 3; FLT: Radiative heat loss (W)
  • 1f 1f; 1f 1f; FLT: FLT: 0: 0 = 33. Assaci Wall: FLT: 1: 1: Emiluvity of the suptacie
  • FLT: 1: 1; FLT; FLT: 0 (5.67 x 10; FLT: 2: 3; LL3T; 336T; 336) 362; 3; 3362T; 3362; 332232; 33222; 336222222; 3222222RT; 3222222222; 32; 3222222222222222; 32; 32; 32222222222222222222222222222232; 32222222222222222222323232323232323232323232323232323232323232323232323232323232323232323@@
  • Pertama; FLT: 0 = 33; A = 1; FLT: 1: 1: 1; FL3;: Surface eua of the wall (m 1; FLT: 2 Sym3; 2 GT; FL1f 1; FLT: 3: 3: 373;)
  • S01; WAL1; FLT: 0 AF3; T 1; FLT: 1 ASA3;: Absolute temperatures of the wall (K)
  • Pertama; FLT: 0; T = T = 1; FLT: 1: 1; Aver3; VAL3; VALP S01; FLT: 2: 3; ASA3; FLT: 3: 3 GART; 533; MIS33;: Surinding urustirale (K)

Supposa that e totace wall nah of 50 m 50 m 1; FLT: 0 t3; 2 f 1; FLT: 1: 1 Aver3,

Q = 0.8 × 5.67 × 10 = 10 = 1O; FLT: 0: 33; -8 × 5.67 = 5.67 x (5.67 = = 0 = 10 x (1500 x; FLT: 2: 3: 3; 3 31T; 3; 3 = 3 = 3; 3 = 3 = 3 = 3 = 3 = 3 = 3 = 3 = 3 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =

Kalkulating the values:

Q 0.8x5,67 × 10 = 10 = 1; 0: 0: 333; -8 x3 = 5.67 x = 5.67 x = 10 x = 5.0625 x 10 = 111.2 = 31T; 12 = 132T; 11221T; 53333222221ST; 3333322222222222222212121ST;

Q 0.8x5,67 x10 = 10 = 10 = FLT: 0 = 33; -8 = 53. FLT: 1 = 3; 1f 50 x 5.0624 x 10 = 11; FLT: 2 = 33; 12 = 1f 1f; FLT: 3 333333;

Q 11,516,000W