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It is also\npossible to calculate the binary diffusion coefficients of\npolar and non-polar gases in non-polar bath gases (Brown et al.\n2011, ). 16 collision integrals\nare calculated with four digit accuracy over the reduced\ntemperature range [0.3, 400] using an interpolation function of\nKim and Monroe (2014, ).", "License": "GPL-3", "URL": "https://doi.org/10.32614/CRAN.package.chapensk\nhttps://github.com/langenbergstefan/chapensk", "BugReports": "https://github.com/langenbergstefan/chapensk/issues", "NeedsCompilation": "no", "LazyData": "true", "Config/pak/sysreqs": "libgmp3-dev libmpfr-dev", "Repository": "https://langenbergstefan.r-universe.dev", "Date/Publication": "2026-06-04 09:05:33 UTC", "RemoteUrl": "https://github.com/langenbergstefan/chapensk", "RemoteRef": "HEAD", "RemoteSha": "afee6d31ef971682fe41a24decc2accee7add004", "Packaged": { "Date": "2026-10-10 16:23:00 UTC", "User": "root" }, "Author": "Stefan Langenberg [aut, cre] (ORCID:\n)", "Maintainer": "Stefan Langenberg ", "_user": "langenbergstefan", "_type": "src", "_file": "chapensk_0.5.tar.gz", "_fileid": "https://r2.ropensci.org/841044b5fa189b66f9706b7c8d09fb92a78be9e4eac5a6fdd5c26e34fd5f83d6", "_filesize": 458290, "_sha256": "841044b5fa189b66f9706b7c8d09fb92a78be9e4eac5a6fdd5c26e34fd5f83d6", "_expires": "2027-01-18T17:27:51.000Z", "_created": "2026-10-10T16:23:00.000Z", "_published": "2026-10-10T17:27:53.529Z", "_buildurl": "https://github.com/r-universe/langenbergstefan/actions/runs/38067260631", "_status": "success", "_host": "GitHub-Actions", "_jobs": [ { "job": 114257907821, "time": 112, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11675656033" }, { "job": 114257907768, "time": 107, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11675685886" }, { "job": 114257907824, "time": 146, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "11677162452" }, { "job": 114257907813, "time": 199, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "11676389816" }, { "job": 114257387595, "time": 152, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "11674344929" }, { "job": 114257907851, "time": 81, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "11675890696" }, { "job": 114257907795, "time": 79, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11675461180" }, { "job": 114257907839, "time": 74, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "11675406226" }, { "job": 114257907869, "time": 57, "config": "windows-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11675336536" } ], "_upstream": "https://github.com/langenbergstefan/chapensk", "_commit": { "id": "afee6d31ef971682fe41a24decc2accee7add004", "author": "Stefan Langenberg ", "committer": "Stefan Langenberg ", "message": "0.5\n", "time": 1780563933 }, "_maintainer": { "name": "Stefan Langenberg", "email": "langenberg@uni-bonn.de", "orcid": "0000-0001-5817-5469" }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 2.12.0", "role": "Depends" }, { "package": "methods", "role": "Depends" }, { "package": "Bessel", "role": "Depends" } ], "_owner": "langenbergstefan", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2026-23", "n": 2 } ], "_tags": [ { "name": "v0.5", "date": "2026-06-04" } ], "_topics": [ "diffusion", "kinetic-gas-theory", "lennard-jones-potential", "thermal-conductivity", "viscosity" ], "_stars": 0, "_contributors": [ { "user": "langenbergstefan", "count": 6, "uuid": 43132087 } ], "_userbio": { "uuid": 43132087, "type": "user", "name": "Stefan Langenberg", "followers": 0 }, "_downloads": { "count": 333, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/chapensk" }, "_devurl": "https://github.com/langenbergstefan/chapensk", "_searchresults": 5, "_rbuild": "4.6.1", "_assets": [ "extra/chapensk.html", "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/manual.pdf", "extra/readme.html", "extra/readme.md" ], "_homeurl": "https://github.com/langenbergstefan/chapensk", "_realowner": "langenbergstefan", "_cranurl": true, "_releases": [ { "version": "0.4", "date": "2025-08-01" }, { "version": "0.5", "date": "2026-06-04" } ], "_exports": [ "CollisionIntegral", "Gas", "pkg.env" ], "_datasets": [ { "name": "binary_diffusion", "title": "Binary gas phase diffusion coefficients of methane, ethane, propane and butane in helium and nitrogen; 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