Turbine engine nacelle fitted with a heat exchanger

A nacelle of a turbine engine having a tubular structure, comprising:

• at least one outer fairing defining an outer aerodynamic surface;
• at least one inner fairing defining an internal aerodynamic flow surface, said outer aerodynamic surface of the at least one outer fairing and said internal aerodynamic flow surface of the at least one inner fairing being connected upstream by a leading edge wall forming an air inlet lip;
• at least one heat exchanger for exchanging heat between a first fluid to be heated and a second fluid to be cooled, the at least one heat exchanger being disposed between the at least one outer fairing and the at least one inner fairing;
• and
• at least one circulation duct of the first fluid,
• wherein the at least one circulation duct of the first fluid forms at least one recirculation loop through said at least one heat exchanger, the at least one recirculation loop comprising at least one circulation area of the first fluid extending at least partially along the at least one outer fairing in contact with at least one wall of said at least one outer fairing, wherein said at least one circulation area extends along an internal surface of the at least one outer fairing to allow a heat exchange by conduction with outside air of the nacelle,
• wherein said at least one circulation duct of the first fluid is equipped with at least one regulating valve.