Topic
Solar constant
About: Solar constant is a research topic. Over the lifetime, 967 publications have been published within this topic receiving 29647 citations.
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Patent•
12 Jun 2013
7 citations
TL;DR: The Phobos mission represents a new type of scientific program having multiple scientific goals including investigation of Phobos, Mars, the Sun and interplanetary medium as mentioned in this paper, including active and passive studies of its chemical and mineralogical composition, its physical properties and other experiments.
7 citations
Patent•
21 May 2014
TL;DR: In this paper, a floor and a circulating warm water pipe are arranged in the floor, where a solar water storage tank and a solar thermal collector are arranged on a roof, and the solar energy is used for heating, a temperature sensor is used to measure the temperature, the temperature of water in the circulating warmwater pipe is kept constant by virtue of electric heating and introducing cold water, space inside a room is more comfortable, and thus the power loss is reduced.
Abstract: The invention discloses a solar constant temperature floor, which comprises a floor and a circulating warm water pipe arranged in the floor, wherein a solar water storage tank and a solar thermal collector are arranged on a roof, the solar water storage tank is connected with the solar thermal collector through a solar upper circulating pipe and a solar lower circulating pipe, the solar lower circulating pipe is provided with a cold water source, the circulating warm water pipe is connected with a four-way valve through a warm water inlet pipe, the solar water storage tank is connected with the four-way valve through a solar hot water pipe, and the four-way valve is provided with the cold water source. According to the solar constant temperature floor, the circulating warm water pipe is arranged below a base plate, the solar energy is used for heating, a temperature sensor is used for measuring the temperature, the temperature of water in the circulating warm water pipe is kept constant by virtue of electric heating and introducing cold water, space inside a room is more comfortable by virtue of floor heating, the most abundant and pollution-free solar energy is used, and thus the power loss is reduced, and better environmental protection is realized.
7 citations
01 May 1975
6 citations
19 Jun 2011
TL;DR: In this article, an extensive set of environmental tests revealed that the standard solar cell design incorporated in the typical photovoltaic array configuration performs less than expected in the high intensity high temperature environment (HIHT), characterized by temperatures between 200 and 230 °C and an incident irradiance of up to 11 times the air mass zero spectrum.
Abstract: An extensive set of environmental tests revealed that the standard solar cell design incorporated in the typical photovoltaic array configuration performs less than expected in the high intensity high temperature environment (HIHT) of the Bepi Colombo mission, characterized by temperatures between 200 and 230 °C and an incident irradiance of up to 11 times the air mass zero spectrum. Fill factor driven performance degradations of up to 20 % were observed. With the help of electroluminescence imaging and a set of root cause tests with limited material combinations, the degradation mechanism was identified. A new cell design was developed based on these results and verified in a 1500 actual test hour UV test. Despite a cell temperature of 230 °C and 11 solar constant irradiance, the cell performance remained unaffected. This shows the general suitability of this design for HIHT missions.
6 citations