تحقیق عددی و تجربی روی یک متمرکزکننده سهموی خورشیدی

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه ولی‌عصر(عج) رفسنجان.

چکیده

در این مقاله سیستم خورشیدی از نوع متمرکزکنندهای خورشیدی سهموی نقطهای، مطالعه عددی و تجربی شده است. در کنار طراحی، ساخت و آزمایش کلکتور، سیستم در نرم‌افزار کامسول نیز مدلسازی شده است. آزمایشات و مدل‌سازی با استفاده از 2جاذب لولهای مارپیچ و صفحه‌ای فینشکل در نقطه کانونی با 3دبی مختلف و در 2سیکل بسته و باز انجام شده است. مقایسۀ نتایج تجربی و شبیه‌سازی تطابق خوبی را بین آن‌ها نشان میدهد و میزان خطا بین 1 تا 4درصد است. نتایج نشان می‌دهد که جاذب نوع اول در مقایسه با جاذب نوع دوم کارایی بهتری دارد. همچنین با افزایش دبی راندمان کلکتور افزایش می‌یابد.

کلیدواژه‌ها


عنوان مقاله [English]

Numerical and Experimental Investigation on the Parabolic Dish SolarConcentrator

نویسندگان [English]

  • Mohammad Shafiey Dehaj
  • Mohsen Mirzaei
  • Mostafa Zamani Mohiabadi
Vali-e-Asr University of Rafsanjan, Iran.
چکیده [English]

In this paper Parabolic Dish Solar Concentrator (PDSC) are studied numerically and experimentally. In addition to designing, manufacturing and testing the collector, the system is also modeled in COMSOL software. Experiments and modeling have been performed using two helical tubular absorbers and a fin-shaped plate at the focal point, with three different discharges in two closed and open cycles. Comparison of experimental and simulation results shows a good agreement and the error rate is between 1 and 4درصد. The results show that the first type adsorbent has better efficiency compared to the second type adsorbent and also increases the collector efficiency with increasing flow rate.

کلیدواژه‌ها [English]

  • Modeling
  • Parabolic Dish Solar Concentrator
  • Thermal Analysis
  • Adsorbent
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