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View Full Version : Ducting for Heat Exchangers


vex
03-24-2017, 02:43 PM
I'm working on ducting for the intercooler, oil cooler, ac condensor, and radiator and could use a quick once over/reality check. In otherwords: What are your thoughts on this ducting? I haven't put in the exhaust route for the intercooler (on the top) and the oil cooler (on the bottom). Looking for general critiques/improvements. My main concern is how I've divided the intake area to feed the different exchangers. Would it be better to divide the area vertical as opposed to horizontally?

https://lh3.googleusercontent.com/PgWjL7vo4jeUevR_ip6Ca79taTMDQ9FBrWbMoSLUKhQGOSwGES oJlWjts8r8wSbGqbIxIkIJN3N9A2g44U8AQxDxNpx-CVOBGaJ9WbG9b1gj-Fij_v-_NbFJUwBpFrz3QmXOFlC7x-WWCLnMLXrZ5s3dMkUSnRirZwKjP4wW5sXVF3RExC018di1WAtA BAXhOrM8FSu2meHFgq0zEWoDx6q5vVz_go9K14FYybxl6Xo_xP IS4qFSHu2pch9GY5XQEDb5IOIdZ_hxbPkEC2FYm5EUUU78xQqO BVJwWHdRmg7ryR7ncSiyeZguGrNAbx2eNN3L2mXJFL7XDANUXF K3yihdDkDgsJX3YAXg2L7AiWmdPAWAnHZSyIM53vFXPAuqIc2Y 8u-ZR1Pef08k1XOV_BkixJlBseOVN9idIjZanffaHDXES94cCO8HL k-60DvzXf6vxz2qdn9EqEralxo5-OKeDQJhOKhG5UfCO485quoP3mEQi7AF3zp64xkmuXdOXs7bR2G 2vIxloW-Bnytz3urX2K7ZCXLMVSK9r4pAabq2N7ZPzxY5YQUZG26ft0uAM zDLw9eKncCG17VvgguYGWz631cED8fAsPTqmNRPmMBZMLR6Kw2 _79wSyzSFIq0DThpUSznnwuFYw69XsykZdcp1pomCpjGt8LSyL 2cM0w=w1280-h640-no?.jpg
Looking towards the ass end from the front of the ducting.

https://lh3.googleusercontent.com/f_SnJtwxQ4Q_ZcAtP_b1yVdMxles6N9kBxSaSfBx0AggzO2maO xQ1i9Q1bVgOc6Dyznls7J9ggf1XmI1V40-KAMIDHV1xXk14mGojjl6hF4nLCfiDOpa5mkMj0WhRWqSOekV3q akhVnzWCxrhzvugCY0_7wbZp9JpaiZs6pCfwWuajnRvBTVHzn7 mVEWI_MyiEJS8Yc-WXuqb5O37BnP5MBt1vQBbLN9QYXojFHr9TZ6ezxohCfTHmk1Bh sN02uoFVzHWmgPtqOqdDn9F_XriV5sS6Gx3nANNrEdklBxG8o_-9VgYHRzn2H1cdWy0FtewtDNilmuYfZM3F8yvdPAXx7kMZJCziI P2eBI5AiNFocZ5SqcyAKbCKt8InhzAduxAWrHDQi4G3JAoixzF MeURgbz719MxXRvE8pXCVcTMw_U-58DY-nRW2MGl_zI92tpR3ZJME6-cUmqIacnhHse7UXoNnk3tTygnOPMudL7ewIceDqE8xNbN7jKF5 WQkA9kzLwbgLbmClgc48jsOsaKUXybLZhLhUzA4du7udYl8pyx jJHqfRJnclI5Pt5_J7nz3pbZDZgvttT05_56IJkcLIA2KrXRWA oVlsW0lG9hu9rIzFBmL9bEzVl4-omIGZ6A0ovzgKz9YZGOIJdDSaasfVrxbdIIpw1ejPAaL-rAww=w1280-h640-no?.jpg
Side on (duct on top is intercooler, middle radiator and AC condensor, bottom is Oil cooler)

https://lh3.googleusercontent.com/-Inte0HJ1oB2DoCKqZt-DkIu0gjW_VaNDEuaohupL20mReMQdK5srJr8qZewEq4ZXwLteA S9_uRUBqwFETwayPdw4Qzos1-BJXjccNrDQ2npMEZ-r0xxBdfORztL92ahyKZnHwWgz1Rfpu1-PkddmuaYjkG3fL0yCHUyCjImlGUmbQ9nrSAdmb9TuFMNjRiyiu m4mkNRkIRohz4hI9_bSU2hjk-CL5kZMIwolFJURLLK_PfjchqhhBEfSkCDq34IA0vEDFr__Y7UJ wLrC2oo9W-pWNDolQZ2xcty4TOtTJr_CsTraJueZSvjzbWeeR56HSiRVHlkH 7BKAVewR3uTEHe9NwLI7OhxZ5TiBi9RGmYRDiEl2_4KC5FKPEy JQAJl4OCzLWMlHldCMf3np9DwozKAhtZa3--aZxUxJ9EBvs2F3BsV_rB3fuAM3KrrAvMgRiuZyK3u87OvSQIPG EqpIPOgZkhzDz2TZSCXXDiDfl4kiClChwUFWuC6jzzxoI1ODa_ 2sFN_uwESCnfq-rc9RlO8cOWkcLACtS1qaoYCDo_8PZrOn5M9g7kLR-rj6wS332rCuB4xrqpmglscfp5HoLkL4pYGX7CPRulHbLjYSi5d 3rcCUhNmrFz22CCfFM4DcGa3Kxcs6r_941IUlSAAMie0rAxyCT ZK0mOlY1Piaw=w1280-h640-no?.jpg

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vex
09-04-2018, 09:38 AM
Update: Don't do this arrangement. The dimensions of the opening reduce the hydraulic diameter to basically nill making it insufficient for cooling. The alternative is to keep about the same area but keep the entry cross-section a much more 'balanced' square/rectangle. This keeps the hydraulic diameter and the cross-sectional area in line with the rule of thumb of about a 1/4-1/3 the size of the heat exchanger.