convection heater
51Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
52Wood fuel — is wood used as fuel. The burning of wood is currently the largest use of energy derived from a solid fuel biomass. Wood fuel can be used for cooking and heating, and occasionally for fueling steam engines and steam turbines that generate… …
53Induction heating — is the process of heating an electrically conducting object (usually a metal) by electromagnetic induction, where eddy currents are generated within the metal and resistance leads to Joule heating of the metal. An induction heater (for any… …
54Vortex engine — The concept of a Vortex Engine, independently proposed by Norman Louat [Louat s International Patent Application is PCT/AU99/00037] and Louis Michaud [Michaud s U.S. Patent is US 2004/0112055 A1, Atmospheric Vortex Engine ] , aims to replace… …
55Thermographic printing — refers to two types of printing, both of which rely on heat to create the letters or images on a sheet of paper. The simplest type is where the paper has been coated with a material that changes colour on heating. This is called thermal printing… …
56Volcano Vaporizer — The Volcano Vaporizer is a vaporizer for aromatherapy, smokeless ingestion of cannabis [ [http://www.marijuana.com/volcano vaporizer review marijuana.com Volcano review] ] [ [http://cannabis.com/vaporizers/reviews/volcano vaporizer classic review …
57Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …
58Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
59Carburetor — Bendix Technico (Stromberg) 1 barrel downdraft carburetor model BXUV 3, with nomenclature A carburetor (American spelling), carburettor, or carburetter (Commonwealth spelling) is a device that blends air and fuel for an internal combustion engine …
60Thermal radiation — is electromagnetic radiation emitted from the surface of an object which is due to the object s temperature. Infrared radiation from a common household radiator or electric heater is an example of thermal radiation, as is the light emitted by a… …
