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Egyptian FM holds calls with Iranian counterpart , U.S. Envoy on regional developmentsZverev into French Open last-fourIsraeli fire kills four people in Gaza, medics sayEgypt, Singapore discuss expanding cooperation in tourism, antiquitiesAncelotti eases Neymar W. Cup fearsArab, Islamic states condemn Israeli actions at Al-AqsaSyria Hopes for Terrorism Delisting to Spur Economic RecoveryBenfica linked with Fulham’s SilvaVan der Breggen takes Giro leadKremlin: Saudi Arabia Named Guest of Honor at St. Petersburg Economic ForumTrump administration proposes 25% tariff to punish Brazil over trade practicesرياضة محلية‘Really cool to share this journey with her’: Michelle Wie West playing for her family at U.S. Women’s OpenArchaeological Replicas Showcase Saudi Arabia’s Rich History at Kuala Lumpur Int’l Book FairRenewable Energy Helps Red Sea Global Avoid 118,000 Tons of Carbon EmissionsLetter: Carol Rumens obituaryEngland v India: third and deciding women’s T20 cricket international – liveHealthVolunteers serve comfort food in a worrying Ebola outbreak – Sault Michigan NewsEconomyTrump signs AI executive order asking companies to give government early access to modelsLocalSouth West Water fined nearly £2million after supplying homes with parasite-ridden water that left four people in hospital – and telling people it was safe to drinkScience & TechYour car is following you – how to reclaim your data privacy on the open roadEgyptian FM holds calls with Iranian counterpart , U.S. Envoy on regional developmentsZverev into French Open last-fourIsraeli fire kills four people in Gaza, medics sayEgypt, Singapore discuss expanding cooperation in tourism, antiquitiesAncelotti eases Neymar W. Cup fearsArab, Islamic states condemn Israeli actions at Al-AqsaSyria Hopes for Terrorism Delisting to Spur Economic RecoveryBenfica linked with Fulham’s SilvaVan der Breggen takes Giro leadKremlin: Saudi Arabia Named Guest of Honor at St. Petersburg Economic ForumTrump administration proposes 25% tariff to punish Brazil over trade practicesرياضة محلية‘Really cool to share this journey with her’: Michelle Wie West playing for her family at U.S. Women’s OpenArchaeological Replicas Showcase Saudi Arabia’s Rich History at Kuala Lumpur Int’l Book FairRenewable Energy Helps Red Sea Global Avoid 118,000 Tons of Carbon EmissionsLetter: Carol Rumens obituaryEngland v India: third and deciding women’s T20 cricket international – liveHealthVolunteers serve comfort food in a worrying Ebola outbreak – Sault Michigan NewsEconomyTrump signs AI executive order asking companies to give government early access to modelsLocalSouth West Water fined nearly £2million after supplying homes with parasite-ridden water that left four people in hospital – and telling people it was safe to drinkScience & TechYour car is following you – how to reclaim your data privacy on the open road

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US dollar54.07EGPEuro60.59EGPBritish pound72.61EGPSaudi riyal14.42EGPUAE dirham14.72EGPKuwaiti dinar174.07EGPJordanian dinar76.26EGPQatari riyal14.85EGPTurkish lira1.08EGPChinese yuan8.09EGPGold 246,999.14EGP/gGold 216,124.24EGP/gGold 185,249.35EGP/gSilver89.43EGP/g

Science & Tech

نظام توفير الوقود قد يتحول إلى كابوس ميكانيكي في السيارات الحديثة

By صدى البلد · 21 minutes ago · 1 min read صدى البلد ↗

نظام توفير الوقود قد يتحول إلى كابوس ميكانيكي في السيارات الحديثة

ما يعرفه ريفو عن الخبر

تسبب تقنية إيقاف عمل الأسطوانات لزيادة كفاءة الوقود تعقيدات ميكانيكية وإلكترونية قد تؤدي لأعطال فنية في المحركات.
تؤدي هذه التقنية إلى تآكل الرافيعات الهيدروليكية وتلف عمود الكامات بسبب كثرة التنقل بين وضعيات التفعيل والإيقاف.
يتسبب تسرب زيت المحرك إلى غرف الاحتراق في اتساخ شمعات الاحتراق وتراكم الكربون على الصمامات.
تتطلب المنظومة استخدام زيت محرك عالي النقاء لتجنب انسداد الممرات الهيدروليكية وتكون الرواسب الطينية.

تقنية إيقاف عمل الأسطوانات: التحديات الميكانيكية وأسباب الأعطال
صدى البلد : المصدر
نظام توفير الوقود قد يتحول إلى كابوس ميكانيكي في السيارات الحديثة

المصدر: صدى البلد

#Egypt

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