Hesperus Centenarians

https://docs.google.com/presentation/d/1yaqlrzeXefUGsAxlZYYbIRghQfhsXJNy/edit?usp=sharing&ouid=116257119217694237439&rtpof=true&sd=true

https://youtu.be/AP1ymBxS7KU - https://docs.google.com/presentation/d/1KULX7Ai2iY6VYMGKlgxZL9YE1BJfpVwJ/edit?usp=sharing&ouid=116257119217694237439&rtpof=true&sd=true

To design the path for exploring Venus. it was known that planet Venus has Temperature of about (463 degree Celsius), pressure of about(91 atm) ,atmosphere originates from about 96.5% of carbon dioxide, 3.49% of nitrogen , the rest contains other gases like : Hf and SO2 in addition to other gases with negligible quantities , Nitrogen was chosen to be the gas we would use in our project for its lower specific heat capacity(1.04 J/g K) than other gases on Venus (specific heat capacity of carbon dioxide(840 J/g K)) , the highest temperature could be reached with the lowest energy consumed, how could we exploit that high temperature to make an energy-storage system ?. clearly with consideration for Gay-Lussac’s law that states: the relation between the temperature and the pressure for a given gas in a given volume is directly proportional. The system shortly would contain of a pump pushing atmospheric Venus’s air to a pressure swing adsorption technique to separate nitrogen from carbon dioxide (carbon dioxide would exit from a pipe), which makes nitrogen continue in its way to the black body that would receive thermal energy from each face raising the temperature of the nitrogen gas contained in order to increase the speed of nitrogen molecules hence the nitrogen’s pressure, that would make pressure difference between the black body containments and another connected pipe with handled pressure of 1 atm that pressure difference would make the nitrogen move with instantly high velocity faced with a turbine converting that kinetic energy to electric energy to be stored in batteries, the nitrogen would pass again through that system with a returning tube . The black body would receive about 97KJ with its cubic shape would receive a total of 291.7 KJ ,making the temperature of nitrogen raise about 222.2 degrees reaching (958 K),making the kinetic energy between molecules of nitrogen to reach 11954.7 Joule ,the pressure of nitrogen given volume would be 45.9 atm hence the pressure difference between the black body containments and the pipe would be 44.9 atm , that makes the velocity of the nitrogen pushed about 245 m/s passing through the turbine to convert that energy.

Most space missions utilize some form of energy storage, such as a battery on their spacecraft. The need for long cycle life, high energy density batteries with minimal self-discharge and enhanced safety are the most critical requirements of energy storage systems used in extended duration space missions. Venus presents the most significant challenge to energy storage systems due to a combination of high temperature (452°C) and presence of corrosive gases (CO2, CO, SO2, and N2). While the rechargeable high temperature sodium sulfur batteries have been previously operated on spaceshuttle flights, concerns with their safety due to the highly reactive sodium metal, limited energy density (theoretical = 760 Wh kg-1), corrosive discharge products at 100% depth of discharge, and use of solid electrolyte with poor mechanical strengths and ionic conductivities (e.g. beta-alumina) pose limitations for their use in extended duration space missions such as to Venus. In contrast, the lithium sulfur battery has higher energy density (theoretical = 2735 Wh kg-1), is safer due to the higher ionization energy of lithium vs. sodium, and its discharge product, Li2S, is not corrosive. This proposed research will explore the combined capabilities of high energy density lithium sulfur batteries incorporating solid-state, high-temperature stable, superionic (Li+ only) electrolytes, including phosphates, garnet-type metal-oxide ceramics, and sulfides, that can enable operation of high energy and power densities, high cycle-life, low self-discharge and high safety, rechargeable molten lithium sulfur batteries in Venus-like conditions. Technically, the specific aims of this proposed research include (i) the design of stable interfaces between the solid electrolytes and the molten lithium and sulfur electrodes, (ii) a novel scheme to construct porous ceramic solid electrolyte hosts to encapsulate active cathode materials, and (iii) hollow lithiated silicon anodes to restrict the fracture of solid electrolytes by confining electrode volume changes, and (iv) construction of a high energy, long cycle life, safe and durable lithium sulfur battery incorporating the above improved components operable at temperatures 200-500°C. These aims will map the parameter space for electrochemical performance, high temperature stability, interfacial properties, and mechanisms for cell degradation of the proposed lithium sulfur batteries. The success of high temperature, safe, and long cycle life lithium sulfur batteries will enable a sustainable energy source to propel not only future NASA space missions in extreme environments but also terrestrial applications such as grid energy storage and downhole explorations in the oil and gas industry where temperatures exceed 200°C.

it was an especial trial as it was our first time to join hackathon, we learn how to finish a large part of our challenge, after a lot of searching we reached that the best and the most creative challenge to make a solution that mainly can help us to know about space also to reach more physical states that can help us on earth, we reached that we can make a easy way that will let astronauts to tack off from Venuses surface, from our main problem that in calculations we reached different numbers so we recovered it by taking average of those numbers, thank you.

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