BS EN 4855-01:2020 pdf free.Aerospace series — ECO efficiency of catering equipment.General conditions.
BS EN 4855-01 This document defines the test procedures and calculations to determine the ECO efficiency of the following catering equipment installed in an aircraft:一Chilling equipment (with freeze function); -Ovens (steam and convection ovens); -Beverage makers [coffee maker, water heater).Based on the results it will be possible to derive the energy consumption index and a performance index of the considered equipment type. The two index values represent the ECO efficiency.The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 4855-02, Aerospace series一ECO efficiency of catering equipment一Part 2: Oven equipment1 EN 4855-03, Aerospace series一ECO eficiency of catering equipment一Part 3: Chilling equipment1 EN 4855-04, Aerospace series一ECO efficiency of catering equipment一Part 4: Beverage makers1 EN ISO 3744:2010, Acoustics 一Determination of sound power levels and sound energy levels of noise sources using sound pressure- Engineering methods for an essentially free field over a reflecting plane(ISO 3744:2010}AIl tests shall be performed in a room with a maximum air speed of 0,2 m/s.The ambient temperature shall be [24土3) °C. The ambient temperature shall be held during the whole test run and shall not be influenced by the EUT or other equipment.The ambient temperature and air flow shall be measured at a distance between 0,5 m and 2 m from
each equipment.The ambient temperature measurement shall be started directly before test start. The sample time of the temperature measurement shall be set to at least 0,5 Hz.
The tests shall be performed at an ambient pressure level of (1 013,25士50] hPa. The energy consumption index (ECI) is calculated based on parameters for a reference aircraft and
mission. The energy consumption index is based on the calculation of the kerosene consumption for the EUT related to a reference.BS EN 4855-01 pdf download.