Entropy generation behaviour of the lean and obese rats shows the effect of the diet on the wasted life span work

Semerciöz A. S., Yilmaz B., Özilgen M.

International Journal of Exergy, cilt.26, sa.3, ss.359-391, 2018 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 26 Sayı: 3
  • Basım Tarihi: 2018
  • Doi Numarası: 10.1504/ijex.2018.093148
  • Dergi Adı: International Journal of Exergy
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.359-391
  • Anahtar Kelimeler: Exergy analysis, Life span entropy, Lost work potential, Muscle work efficiency, Obese rats
  • Dokuz Eylül Üniversitesi Adresli: Hayır

Özet

Entropy generation behaviour of the rats is affected by their diet and nature of being lean or obese. Thermodynamic analyses showed that the obese Zucker rats may generate 22,092 kJ/K of life span entropy when fed soybean oil diet and 38,718 kJ/K of entropy when fed with butter fat. Their lean counterparts may generate 15,314 kJ/K of life span entropy when fed with soybean oil diet and 47,657 kJ/K of entropy and when fed with butter fat diet. The lean Zucker rats fed with butter fat diet had 92%, while the obese Zucker rats fed with soybean oil diet had 72%, wasted life-time work potential. Obese Zucker rats fed with butter fat diet performed approximately 48% more total physical work and generated 48% more muscular heat through their life span than the lean rats fed with soybean oil diet.