In ’doubly nonequilibrium’ fluids (e.g., in temperature- and admixture-concentration-stratified solutions in the gravity field) situations may occur in which adding (extracting) heat can lower (raise) the temperature of the medium. Several simple examples of this phenomenon are considered.

PACS: 44.35.+c, 47.27.Fe, 92.60.Ek (all) DOI: 10.1070/PU2002v045n06ABEH001185 URL: https://ufn.ru/en/articles/2002/6/d/ 000178593100004 Citation: Ingel’ L Kh "'Negative heat capacity' in stratified fluids" Phys. Usp. 45 637–644 (2002) BibTexBibNote ® (generic)BibNote ® (RIS)MedlineRefWorks Оригинал: Ингель Л Х «‘Отрицательная теплоемкость’ стратифицированных жидкостей» УФН 172 691–699 (2002); DOI: 10.3367/UFNr.0172.200206d.0691