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Tayyare Motorlarının Önüne Neden Tel Örgü Koyulmuyor? - HAKANSEYHAN
Evet, uçaklar istatistiksel olarak dünyanın en güvenli ulaşım aracıdır. fakat bunu bilsek bile uçaklar bazılarımızın korkulu rüyası olmaktan çıkamıyor. Daha uçağa binmeden yaşanabilecek fena senaryolar insanoğlunun tek tek aklına geliyor ve insanı gerebiliyor. Doğal korkmayan biri bile bu şekilde bir negatif senaryo ile karşılaşmak istemez.
Bu tip negatif senaryolar yüzünden insanoğlunun merak seviyesi de artıyor ve daha ilkin aklına gelmeyen sorulara yanıt arama isteği oluşabiliyor. O negatif senaryolardan biri de motora çarparak çalışmasını engelleyecek bir kuş sürüsü .
Bir ihtimal bu negatif durum için aklınıza pratikte çözümler sağlayacak fikirler gelmiştir. Tayyare motorlarına koruyucu tel örgüler yerleştirmek de bu fikirlerden biri. Pratikte mantıklı bir fikirmiş benzer biçimde gelebilir fakat iş uygulamaya erişince aynı şeyi söyleyemeyeceğiz.
İlk ilkin kuş çarpması için alınan önlemleri ele alalım.
Kuş sürüsü kaynaklı yaşanmış olan kazalar çoğu zaman uçuşların en riskli olan kalkış ve iniş zamanlarında gerçekleşir. Bu durumun yaşanmasını engellemek için havalimanlarına yakın, kuşların barınabilecekleri yuvalar titizlikle ortadan kaldırılıyor. Hatta bunun için bir ekip bile var. Havaalanı içinde görevlendirilen bu birimler kuş sürülerinin kontrolünü sağlayıp onları uzaklaştırmak için çeşitli uygulamalarda bulunuyorlar.
Kaza yaşanma ihtimalini artıran bir öteki şey de kuşların göç zamanıdır.
Temmuz-Ekim ayları içinde gerçekleşen bu göç döneminde görevliler fazladan emekler yaparak kazaları en aza indirmeye çalışırlar.
Bir öteki tedbir ise tayyare motorları tasarlanırken yapılır. Kuş çarpması ihtimali göz önünde bulundurulan en mühim unsurlardan biridir ve buna gore de motorlar teknisyenlerce birçok teste doğal olarak tutulurlar. Bu biçim geliştirmeler yardımıyla riskler en aza indirilir ve her kuş çarpması uçağın motorunu bozabilecek bir duruma evrilmez.
Şimdi gelelim aslolan sorumuza: Tayyare motorlarının önüne yabancı cisimleri engelleyecek bir tel örgü neden koyulmuyor?
İlk olarak; tayyare motorunun vakum enerjisini de ele alırsak motorun karşısına çıkacak kuş yada herhangi bir cisim öyleki bir hıza ulaşır ki açıklıkları olan tel bir örgü onları durduramaz.
Öteki bir neden ise tayyare motorlarının önüne katı bir şey koyamazsınız bu sebeple bu, motorları çalıştırmak için lüzumlu hava akışını engeller. Normalde motor önünde bir engel olmadığı durumda hava sirkülasyonu maksimum düzeyde gerçekleşir. Motor önüne 1 mm genişliğinde elastik, hafifçe kompozit bir kafes koyduğumuzu varsayalım:
Hava akışında bozulma gerçekleştiği için motora giren hava dengesizleşerek türbülans yaratmaya adım atar. Motorun verimi düşerken gidilecek yere daha çok vakit harcamak gerekir ve uçağın daha çok yakıt harcamasına neden olur. Bunun yanında kompozit araç-gereç de oldukça maliyetli bir üründür. Bu biçim maliyetleri sebebiyle tayyare motorlarının önüne koyulabilecek kafes fikri hiçbir havayolunun istemeyeceği bir şeydir.
Uçakla ilgili garip bir yazımızın daha sonuna geldik. Tel kafes yerine bu problemi çözmek adına daha yaratıcı fikirleriniz var ise yorumlarda bekliyoruz.
Kaynak: Hepimiz İçin Havacılık, CBS News
İLGİLİ HABER
Uçaklar Neden Düz Bir Rotada Gitmek Yerine Kutuplara Yaklaşarak Uçar?
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