Heat storage device for pre-heating internal combustion engines at start-up

Abstract

The development of heat storage (HS) devices for pre-heating internal-combustion engines at start-up is presented as an extremely urgent problem. The absence of warm garages and the above-average depreciation of automotive machinery, especially urban buses, force maintenance organisations to search for new ways to facilitate engine start-up in cold periods. In this work, a thermal accumulator (HS) working on the effects of absorption and rejection of heat energy at the solid-liquid phase-change of the heat storage substance is discussed. In the theoretical part, a numerical method for calculating heat storage and the characteristics of heat storage devices is described. The experimental part describes the laboratory installation simulating conditions for the working of the HS device and presents the results of laboratory experiments. Data on full-scale tests of pre-heating devices for starting carburettor engines and an analysis of data received are given.