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The COP usually exceeds 1, especially in heat pumps, because instead of just converting work to heat (which, if 100% efficient, would be a COP of 1), it pumps additional heat from a heat source to where the heat is required. Most air conditioners have a COP of 3.5 to 5. [3]
Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]
Specifically, the heat pump transfers thermal energy using a heat pump and refrigeration cycle, cooling the cool space and warming the warm space. [1] In winter a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house to the warmer outdoors in summer.
Lennox International Inc. is an American provider of climate control products for the heating, ventilation, and air conditioning (HVAC) and refrigeration markets. [1] Based in Richardson, Texas , the company is 9.8% owned by John W. Norris, III, a descendant of DW Norris , who acquired the company in 1904.
The distinction between intuition pumps and thought experiments in general is not entirely clear, however; some writers use the two terms synonymously. [8] Brendel goes further, distinguishing "bad" intuition pumps that discourage considered reflection from "legitimate" thought experiments permissible in philosophical argument. [9]
Daniel Duchaine (1952 – January 12, 2000) was an American bodybuilder.Nicknamed the steroid guru, Duchaine gained worldwide notoriety due to his outspoken opinions on the use of performance-enhancing drugs, and made numerous television appearances discussing the subject on shows such as 20/20, Geraldo, and 60 Minutes. [1]
Heat Wave is the first in a series of mystery novels featuring the characters Nikki Heat, an NYPD homicide detective, and Jameson Rook, a journalist.The novel and its sequels are published by Hyperion Books as a tie-in to the U.S. crime series Castle and attributed to that show's lead character Richard Castle.
A 1521 Italian language edition of De architectura, translated and illustrated by Cesare Cesariano Manuscript of Vitruvius; parchment dating from about 1390. De architectura (On architecture, published as Ten Books on Architecture) is a treatise on architecture written by the Roman architect and military engineer Marcus Vitruvius Pollio and dedicated to his patron, the emperor Caesar Augustus ...