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In this work, an experimental study is conducted on the performance of heat pipes heat exchanger for the application of heat recovery in air conditioning. To carry out this work, a heat pipe heat exchanger is installed between fresh air and return air to cool the fresh air. Three test sections were used with different inner pipe diameters of 7.9, 10.2 and 16.56 mm. The fresh air inlet temperature was changed to be 30 oC, 35 oC, 40 oC, 45 oC and 50 oC in order to simulate the change of ambient temperature. The ratio between cooled and fresh air was chosen to be 1, 1.5, 2 and 3. The results obtained indicated that the effectiveness of the heat pipe heat exchangers increases with both of the increase of fresh air inlet temperature and the ratio between cooled and fresh air. ةسارد ةيبيرجت لأ اد يرارح لدابم وذ فييكت يف ةرارحلا عاجرتسلا ةيرارحلا بيبانلأا اوهلا ل صص:ثحبلاصصخلم ييف ييح ن عييدةا ة،حا اييدث وذا ن رةا ةيي،حا انييثوذا تارح ييوب عييدثدةرج عيي ا ةر تا ةييرد ءييج ميي،ثحا ا ييه ةا ةي، كر يثت ايديةج ءيج كيت حا ا يه تا ةيرء رتانيءحا ليدديج يف ةا ةي،حا ع رةجيلا ي و تانيه وديث عيدةا ة،حا ايدث وذا ن ر رةا ةي،حا كر يثتحا ويت ا يتو عياذا ءارثجي ا ءيج ر ي وحا تانيءحا ريدةثجح يح ن يرا ة تانهن ة يطق ث 7.9 2.ر1 21ر61 رءيت وني دح كر يثتحا يوب كثاريحا ي وحا تانيءحا ةا ةي، عيرةر ةيدد ج ي يًدح ءيج ريقن 0. 06 0. 06 6. عيدنوت عيرةر ، ةييد ج ي يي،دح ونيي جح يي وحا تانييءحان ييرا ةحا تانييءحا ودييث عثيي وحا ي ييثح ييتي ررنييرحا تانييءحا عييح 2 2ر6 1 0 رييقن ر يف ح ي ن وحا تانءحا ةا ة، عرةر ع فجةا عح ، ف رةا ة،حا كر ثتحا عدوب ف ر دز ءدوب كنص،حا ءج جحا جو جوحا يودث عح ، ر را ةحا تانءحا حد ءر حا تانءحا عثيو ر دز

An Experimental Study of the Performance of Heat Pipe Heat Exchanger for Heat Recovery in Air Conditioning Systems