Abstract
This article presents an assessment of the external thermal load on the life support system of a solar aircraft under extreme operating conditions. The calculation was carried out for the maximum and minimum possible heat flows in the key points of the aircraft flight. In this article the conditions on the Earth’s surface and at the operating altitude of the aircraft were taken as calculated. The dependence of the quantitative changes in the heat load on the aircraft from altitude was revealed, taking into account changes of thermal properties of the environment and mechanisms of heat transfer.
Highlights
In recent years, renewable energy sources are gaining popularity due to deteriorating environmental situation trends and energy prices increase
The entire burden of ensuring the conditions necessary for human life falls on the individual life support system
During the design process of the life support systems, it is necessary to take into account the variability of the external effect on the thermal balance and to protect the aircraft pilot from both overheating and hypothermia;
Summary
Renewable energy sources are gaining popularity due to deteriorating environmental situation trends and energy prices increase. One of the most promising and illustrative ways of using it is a solar aircraft This type of aircraft is in position to take a flight due using solar radiation, storing energy in batteries and gaining altitude during the day. The energy, which is stored during daylight hours is enough for a night flight, theoretically the flight time of such an aircraft is not limited Successful launches of such projects by foreign companies confirm the possibility of successful operation of solar aircraft. Due to the low cargo capacity of the plane, some solar aircraft models do not have a pressurized cabin In this case, the entire burden of ensuring the conditions necessary for human life falls on the individual life support system. The present work consists of the comparative analysis of methods for calculating the external heat balance of a cosmonaut's space suit in the Earth's orbit and an object in the atmosphere near the Earth's surface
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