Technopedia Center
PMB University Brochure
Faculty of Engineering and Computer Science
S1 Informatics S1 Information Systems S1 Information Technology S1 Computer Engineering S1 Electrical Engineering S1 Civil Engineering

faculty of Economics and Business
S1 Management S1 Accountancy

Faculty of Letters and Educational Sciences
S1 English literature S1 English language education S1 Mathematics education S1 Sports Education
teknopedia

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url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url url 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url url
  2. Weltenzyklopädie
  3. عدد گراتز - ویکی‌پدیا، دانشنامهٔ آزاد
عدد گراتز - ویکی‌پدیا، دانشنامهٔ آزاد
از ویکی‌پدیا، دانشنامهٔ آزاد

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در این رابطه:

قطر لوله برای لوله‌ها یا قطر هیدرولیک در کانال‌ها
طول مشخصه
عدد رینولدز
عدد پرنتل.

عدد گراتز در تعیین توسعه‌یافتگی گرمایی جریان سیال مفید است. عدد گراتز 1000 یا کمتر نشان‌دهندۀ توسعه یافتگی کامل در سیال است. در مواردی که انتقال جرم نیز مطرح باشد در رابطه بالا به جای عدد پرنتل از عدد اشمیت استفاده می‌شود:

منابع

  • Nellis, G., and Klein, S. (2009) "Heat Transfer" (Cambridge), page 663.

Shah, R. K., and Sekulic, D. P. (2003) "Fundamentals of Heat Exchanger Design" (John Wiley and Sons), page 503*

Pusat Layanan

UNIVERSITAS TEKNOKRAT INDONESIA | ASEAN's Best Private University
Jl. ZA. Pagar Alam No.9 -11, Labuhan Ratu, Kec. Kedaton, Kota Bandar Lampung, Lampung 35132
Phone: (0721) 702022
Email: pmb@teknokrat.ac.id