LITMIR.BIZ

Скачать книгу

rel="nofollow" href="#u76c0a4c9-e3b6-5e2e-a334-5e0c23fb1f7e">Chapters 5 and 17.

Summary of Chapter

      This chapter has presented the basics of power draw, flooding, and mechanical effects exhibited by impellers under gassed conditions. More specific information will be presented in Chapter 5, which is about impellers used in gas dispersion.

      List of Symbols

aInterfacial area/volumeklLiquid film coefficientklaOverall mass transfer coefficient (usually treated as one variable)DImpeller diameterHFractional gas holdupNShaft speedNaAeration NumberNCDShaft speed for complete dispersionNFlShaft speed for flooding emergenceNFrFroude numberNReReynolds numberOUROxygen uptake rate.PPower draw, generalPgGassed power drawPuUngassed power drawTTank diameterUsSuperficial gas velocityVgGas volumeVlLiquid VolumeZLiquid heightρLiquid density

References

      1 1 Private communication.

      2 2 Sensel, M.E., Myers, K.J., and Fasano, J.B. (1992). “Gas dispersion at high aeration rates in low to moderately viscous Newtonian liquids.” Paper 1071, AIChE 1992 Annual Meeting.

      Конец ознакомительного фрагмента.

      Текст предоставлен ООО «ЛитРес».

      Прочитайте эту книгу целиком, купив полную легальную версию на ЛитРес.

      Безопасно оплатить книгу можно банковской картой Visa, MasterCard, Maestro, со счета мобильного телефона, с платежного терминала, в салоне МТС или Связной, через PayPal, WebMoney, Яндекс.Деньги, QIWI Кошелек, бонусными картами или другим удобным Вам способом.

/9j/4AAQSkZJRgABAQEBLAEsAAD/7SJIUGhvdG9zaG9wIDMuMAA4QklNBAQAAAAAAA8cAVoAAxsl RxwCAAACAAAAOEJJTQQlAAAAAAAQzc/6fajHvgkFcHaurwXDTjhCSU0EOgAAAAAA5QAAABAAAAAB AAAAAAALcHJpbnRPdXRwdXQAAAAFAAAAAFBzdFNib29sAQAAAABJbnRlZW51bQAAAABJbnRlAAAA AENscm0AAAAPcHJpbnRTaXh0ZWVuQml0Ym9vbAAAAAALcHJpbnRlck5hbWVURVhUAAAAAQAAAAAA D3ByaW50UHJvb2ZTZXR1cE9iamMAAAAMAFAAcgBvAG8AZgAgAFMAZQB0AHUAcAAAAAAACnByb29m U2V0dXAAAAABAAAAAEJsdG5lbnVtAAAADGJ1aWx0aW5Qcm9vZgAAAAlwcm9vZkNNWUsAOEJJTQQ7 AAAAAAItAAAAEAAAAAEAAAAAABJwcmludE91dHB1dE9wdGlvbnMAAAAXAAAAAENwdG5ib29sAAAA AABDbGJyYm9vbAAAAAAAUmdzTWJvb2wAAAAAAENybkNib29sAAAAAABDbnRDYm9vbAAAAAAATGJs c2Jvb2wAAAAAAE5ndHZib29sAAAAAABFbWxEYm9vbAAAAAAASW50cmJvb2wAAAAAAEJja2dPYmpj AAAAAQAAAAAAAFJHQkMAAAADAAAAAFJkICBkb3ViQG/gAAAAAAAAAAAAR3JuIGRvdWJAb+AAAAAA AAAAAABCbCAgZG91YkBv4AAAAAAAAAAAAEJyZFRVbnRGI1JsdAAAAAAAAAAAAAAAAEJsZCBVbnRG I1JsdAAAAAAAAAAAAAAAAFJzbHRVbnRGI1B4bEBywAAAAAAAAAAACnZlY3RvckRhdGFib29sAQAA AABQZ1BzZW51bQAAAABQZ1BzAAAAAFBnUEMAAAAATGVmdFVudEYjUmx0AAAAAAAAAAAAAAAAVG9w IFVudEYjUmx0AAAAAAAAAAAAAAAAU2NsIFVudEYjUHJjQFkAAAAAAAAAAAAQY3JvcFdoZW5Qcmlu dGluZ2Jvb2wAAAAADmNyb3BSZWN0Qm90dG9tbG9uZwAAAAAAAAAMY3JvcFJlY3RMZWZ0bG9uZwAA AAAAAAANY3JvcFJlY3RSaWdodGxvbmcAAAAAAAAAC2Nyb3BSZWN0VG

Скачать книгу