بررسی تجربی ضریب کلی انتقال جرم و سطح تماس مخصوص در بسترهای پر شده نامنظم

نوع مقاله : ترویجی

نویسندگان

1 فارغ التحصیل کارشناسی ارشد مهندسی شیمی دانشگاه یاسوج

2 دانشیار گروه مهندسی شیمی دانشگاه یاسوج

چکیده

بررسی جامع متغییرهای اثرگذار بر اندازه سطح تماس مخصوص و ضریب کلی انتقال جرم با توجه به تابعیت ابعاد بهینه سیستم از این فاکتورها حائز اهمیت است. این امر با توجه به تعدد پارامترهای موثر، نیازمند بهره‌گیری از حجم بالای نتایج آزمایشگاهی می‌باشد. در این مطالعه با استفاده از نرم افزار طراحی آزمایش، تعداد آزمایش‌های مورد نیاز به منظور ارزیابی فاکتورهای فوق با بهره‌گیری از حداقل میزان واکنش‌دهنده‌ها و زمان مصرفی، انجام شده است. اثرپذیری این دو فاکتور از شدت و غلظت جریان‌های ورودی به سیستم بر پایه 30 داده تجربی اندازه‌گیری شده، مورد ارزیابی قرار گرفته شد. نتایج خروجی این نرم افزار به وضوح نشان دهنده تبین کامل اثرپذیری هریک از کمیت‌ها‌ از متغییرهای عملیاتی ذکر شده بوده است. بعلاوه مطابقت قابل ملاحظه روند تغییرات نشان داده شده توسط نرم افزار با مبانی تئوری و شرایط عملیاتی، حاکی از عملکرد مطلوب این نرم افزار در بررسی سیستم‌های عملیاتی می‌باشد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Experimental Study of Overall Mass Transfer Coefficient and Effective Interfacial Area in Irregular Packed Bed

نویسندگان [English]

  • fariba zarei 1
  • mahmood reza rahimi 2
1 MSc of Chemical Engineering,Yasouj University
2
چکیده [English]

Evaluation of effective parameter on mass transfer coefficient and effective interfacial area is highlight in order to achieve optimum volume. However, universal study was require to a lot of experimental test. In this study, Design-Expert program was be used as reduction of consumed reactant and require time. Gas-liquid flow rate and concentration was consider as effective operational factor to indicate factor's influence on mass transfer coefficient and effective interfacial area by 30 experimental result. Finally, the program output has highly conformity by theoretical basis and operational condition. Therefore, Design-Expert program offer appropriate result in order to analysis basic characteristics in separation device.

کلیدواژه‌ها [English]

  • Overall Mass Transfer Coefficient
  • Effective interfacial area
  • Irregular Packed Bed
  • Design-Expert Program
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