mirror of
https://gitlab.com/lander-team/air-prop-simulation.git
synced 2025-07-23 14:41:38 +00:00
125 lines
3.6 KiB
Julia
125 lines
3.6 KiB
Julia
### A Pluto.jl notebook ###
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# v0.12.20
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using Markdown
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using InteractiveUtils
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# This Pluto notebook uses @bind for interactivity. When running this notebook outside of Pluto, the following 'mock version' of @bind gives bound variables a default value (instead of an error).
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macro bind(def, element)
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quote
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local el = $(esc(element))
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global $(esc(def)) = Core.applicable(Base.get, el) ? Base.get(el) : missing
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el
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end
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end
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# ╔═╡ 7d1e8730-81f7-11eb-0b4d-d7c878032280
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begin
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using Unitful
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using Roots
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using PlutoUI
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end
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# ╔═╡ d8461f50-833d-11eb-04f2-f9e262a97ba5
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md"## Air Compressor Thrust Calcs"
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# ╔═╡ 2a976cf0-833e-11eb-3892-03869a9b0acc
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html"<button onclick='present()'>present</button>"
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# ╔═╡ b0efd6c2-81f9-11eb-2aad-efc9bdd8c220
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@bind diam Slider(0.1:.1:6.5, default=.5)
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# ╔═╡ bc06c722-81fa-11eb-05ac-e38ac21ce27e
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@bind p Slider(15:6000, default=126)
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# ╔═╡ 99835750-81fe-11eb-3a7e-1132eb3cdd90
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@bind w Slider(.5:.25:20, default=5)
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# ╔═╡ a9f59000-81f7-11eb-15c0-4520acb6543f
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begin
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M = w*u"kg"
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P_amb = 1u"atm"
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P_c = p*u"psi"
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d_nozzle = diam*u"mm"
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a_nozzle = (pi/4)*d_nozzle^2
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γ = 1.4
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R = 287.05u"J/(kg * K)"
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T = 300u"K"
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burn_time = 5u"s"
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V = 68u"inch^3"
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end;
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# ╔═╡ 764dcf30-81fa-11eb-3155-559823202b8f
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md"Area of Nozzle: $(a_nozzle) | $(round(u\"inch^2\",a_nozzle, digits = 4))"
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# ╔═╡ b4a957a0-833e-11eb-1ca9-0d87d162790f
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md"Diameter of Nozzle: $(d_nozzle) | $(round(u\"inch\",d_nozzle, digits = 4))"
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# ╔═╡ a7bef990-81fa-11eb-3976-817c3e383e64
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md"Pressure of system: $(P_c)"
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# ╔═╡ b113c030-81fe-11eb-2042-776472e720ac
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md"Mass of Lander: $(M) | $(round(u\"lb\",M, digits = 2))"
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# ╔═╡ a9317cb0-81f7-11eb-26e5-95719252409b
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begin
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ve = sqrt((2 * γ / (γ - 1)) * R * T * (1 - P_amb / P_c)^((γ - 1) / γ)) |> u"m/s"
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ρ = P_c / (R * T) |> u"kg/m^3"
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ṁ = ρ * a_nozzle * ve |> u"kg/s"
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end;
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# ╔═╡ cf5b7030-846d-11eb-2f23-290624c7d684
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M_air = ρ*V |> u"kg"
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# ╔═╡ 2149b640-846e-11eb-262b-299ded0c61c5
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M_air / ṁ
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# ╔═╡ c57fe2d0-81f7-11eb-27d7-4b5c0520998d
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Thrust = ṁ * ve + a_nozzle * (P_c - P_amb) |> u"N"
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# ╔═╡ 213ef2c0-81fb-11eb-1425-15bfcf1dc14c
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volume_air = ṁ * burn_time / ρ |> u"inch^3";
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# ╔═╡ 9388c570-833d-11eb-3baa-758b5cb19065
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md"Air Needed: $(round(ustrip(volume_air/burn_time)*.004329,digits=3)) Gallon/s"
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# ╔═╡ e85b0e90-81fe-11eb-0dd5-0b3df376a4f7
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begin
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W_earth = 9.81u"m/s^2" * M |> u"N"
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W_moon = 1.623u"m/s^2" * M |> u"N"
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end;
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# ╔═╡ 57844480-833a-11eb-3a57-bf00cecde849
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md"Thrust to Weight Ratio Earth: $(Thrust/W_earth)"
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# ╔═╡ a5c735d0-833a-11eb-2bae-71ba4af6b3a1
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md"Thrust to Weight Ratio Moon: $(Thrust/W_moon)"
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# ╔═╡ Cell order:
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# ╟─d8461f50-833d-11eb-04f2-f9e262a97ba5
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# ╟─2a976cf0-833e-11eb-3892-03869a9b0acc
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# ╟─7d1e8730-81f7-11eb-0b4d-d7c878032280
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# ╟─764dcf30-81fa-11eb-3155-559823202b8f
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# ╟─b4a957a0-833e-11eb-1ca9-0d87d162790f
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# ╟─b0efd6c2-81f9-11eb-2aad-efc9bdd8c220
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# ╟─a7bef990-81fa-11eb-3976-817c3e383e64
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# ╠═bc06c722-81fa-11eb-05ac-e38ac21ce27e
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# ╟─b113c030-81fe-11eb-2042-776472e720ac
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# ╠═99835750-81fe-11eb-3a7e-1132eb3cdd90
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# ╠═a9f59000-81f7-11eb-15c0-4520acb6543f
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# ╠═a9317cb0-81f7-11eb-26e5-95719252409b
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# ╠═2149b640-846e-11eb-262b-299ded0c61c5
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# ╠═cf5b7030-846d-11eb-2f23-290624c7d684
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# ╠═c57fe2d0-81f7-11eb-27d7-4b5c0520998d
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# ╟─213ef2c0-81fb-11eb-1425-15bfcf1dc14c
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# ╠═9388c570-833d-11eb-3baa-758b5cb19065
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# ╟─e85b0e90-81fe-11eb-0dd5-0b3df376a4f7
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# ╟─57844480-833a-11eb-3a57-bf00cecde849
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# ╟─a5c735d0-833a-11eb-2bae-71ba4af6b3a1
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