COOLING MEDIUM RADIATOR

A refrigerant radiator (12) for a heat pump cycle includes a plurality of tubes (121). The tubes (121) are disposed to satisfy the hollowing relationship: Re ‰¥ A × X 6 + B × X 5 + C × X 4 + D × X 3 + E × X 2 + F × X + G wherein ¸ is an inclination angle (°) formed by a flow direction of the refrige...

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Bibliographische Detailangaben
1. Verfasser:	KATOH, Yoshiki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEAT PUMP SYSTEMS HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PERFORMING OPERATIONS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A refrigerant radiator (12) for a heat pump cycle includes a plurality of tubes (121). The tubes (121) are disposed to satisfy the hollowing relationship: Re ‰¥ A × X 6 + B × X 5 + C × X 4 + D × X 3 + E × X 2 + F × X + G wherein ¸ is an inclination angle (°) formed by a flow direction of the refrigerant flowing through the tubes (121) and the horizontal direction; X is a dryness of the refrigerant in a predetermined position where the refrigerant flowing through the tubes (121) is a gas-liquid two-phase refrigerant; and Re is a Reynolds number of the refrigerant in the predetermined position determined from an average flow velocity (m/S) of the refrigerant flowing through the tube (121). The A to G are expressed by a function of 0, which suppresses the non-uniform loss in pressure of the refrigerant in the respective tubes (121) to reduce the difference in temperature of blown air in the refrigerant radiator