Heat transfer mixture

Abstract

A heat transfer mixture is represented by the formula: 1=Vpg/Vnf+Vw/Vnf+Vpw/Vnf+Vsf/Vnf+Vbs/Vnf+Vac/Vnf+Vci/Vnf. Vnf is a volume of a nanofluid. Vpg is a volume of propylene glycol. Vw is a volume of water. Vpw is a volume of a nanopowder. Vsf is a volume of a surfactant. Vbs is a volume of a base additive. Vac is a volume of an acid additive. Vci is a volume of a corrosive inhibitor.

1 - 20 . (canceled) 
     
     
         21 . A nanofluid comprising:
 Vpw/Vnf+Vsf/Vnf+Vbs/Vnf,   wherein Vnf is a volume of the nanofluid,   wherein Vpw is a volume of a nanopowder,   wherein 10%<Vpw/Vnf<20%,   wherein Vsf is a volume of a surfactant,   wherein Vsf/Vnf is 1% to 3%,   wherein Vbs is a volume of a base additive,   wherein 0.1%<Vbs/Vnf<1.3%, and   wherein the nanopowder comprises aluminum oxide.   
     
     
         22 . The nanofluid recited in  claim 21 , wherein the surfactant is a sodium salt solution of polyamino-polyether-methylene-phosphonic acid. 
     
     
         23 . The nanofluid recited in  claim 21 , wherein the nanopowder consists of aluminum oxide. 
     
     
         24 . The nanofluid recited in  claim 21 , wherein the nanopowder has a particle size between 200 nanometers and 500 nanometers 
     
     
         25 . The nanofluid recited in  claim 21 , wherein Vpw/Vnf is 15%. 
     
     
         26 . The nanofluid recited in  claim 21 , wherein Vbs/Vnf is 0.7%. 
     
     
         27 . The nanofluid recited in  claim 21 , wherein Vsf/Vnf is 1%. 
     
     
         28 . The nanofluid recited in  claim 21 , wherein Vsf/Vnf is 3%. 
     
     
         29 . The nanofluid recited in  claim 21 , wherein the nanofluid has a pH of about 8.5-12.0. 
     
     
         30 . The nanofluid recited in  claim 21 , wherein the nanofluid has a pH of 10.0. 
     
     
         31 . The nanofluid recited in  claim 21 , further comprising Vg/Vnf+Vw/Vnf,
 wherein Vg is a volume of glycol, and   wherein Vw is a volume of water.   
     
     
         32 . The nanofluid recited in  claim 31 ,
 wherein Vg/Vnf is 42%, and   wherein Vw/Vnf is 42%   
     
     
         33 . The nanofluid recited in  claim 21 , further comprising Vac/Vnf+Vci/Vnf,
 wherein Vac is a volume of an acid additive, and   wherein Vci is a volume of a corrosive inhibitor.   
     
     
         34 . A nanofluid comprising:
 Vpw/Vnf+Vsf/Vnf+Vbs/Vnf,   wherein Vnf is a volume of the nanofluid,   wherein Vpw is a volume of a nanopowder,   wherein 10%<Vpw/Vnf<20%,   wherein Vsf is a volume of a surfactant,   wherein Vsf/Vnf is 1% to 3%,   wherein Vbs is a volume of a base additive,   wherein 0.1%<Vbs/Vnf<1.3%,   wherein the nanopowder consists of aluminum oxide, and   wherein the surfactant is a sodium salt solution of polyamino-polyether-methylene-phosphonic acid.   
     
     
         35 . The nanofluid recited in  claim 34 , wherein the nanopowder has a particle size between 200 nanometers and 500 nanometers. 
     
     
         36 . The nanofluid recited in  claim 34 , wherein Vpw/Vnf is 15%. 
     
     
         37 . The nanofluid recited in  claim 34 , wherein Vbs/Vnf is 0.7%. 
     
     
         38 . The nanofluid recited in  claim 34 , wherein the nanofluid has a pH of about 8.5-12.0. 
     
     
         39 . The nanofluid recited in  claim 34 , wherein the nanofluid has a pH of 10.0. 
     
     
         40 . A nanofluid comprising:
 Vpw/Vnf+Vsf/Vnf+Vbs/Vnf,   wherein Vnf is a volume of the nanofluid,   wherein Vpw is a volume of a nanopowder,   wherein 10%<Vpw/Vnf<20%,   wherein Vsf is a volume of a surfactant,   wherein Vsf/Vnf is 1% to 3%,   wherein Vbs is a volume of a base additive,   wherein 0.1%<Vbs/Vnf<1.3%,   wherein the nanopowder consists of aluminum oxide,   wherein the nanopowder has a particle size between 200 nanometers and 500 nanometers,   wherein the surfactant is a sodium salt solution of polyamino-polyether-methylene-phosphonic acid, and   wherein the nanofluid has a pH of 10.0.