Introduction to the Analysis of Supersonic Ramjet Power Plants

At p r e s e n t , superson ic r a m j e t s a re be ing u t i l i zed p r i mar i ly for pi lot less a i rc ra f t . As t h e level of a i rc raf t speed increases, t h e r a m j e t eng ine shou ld find a wider app l ica t ion a s a power p l a n t . Owing t o t h i s inc reas ing p r e e m i nence of r a m j e t eng ines i n m o d e r n av ia t ion des ign , t h e basic ideas advanced shou ld find ever-growing i n t e r e s t . This p a p e r gives s o m e i n s igh t i n t o t h e p r o b l e m s a n d l i m i t a t i o n s of t h e var ious r a m j e t power p l a n t c o m p o n e n t s a n d t h e i r effect o n eng ine p e r f o r m a n c e . T h e e q u a t i o n s necessary t o ca lcu la te r a m j e t t h r u s t a n d fuel c o n s u m p t i o n are inc luded . Vc —; ATT = total temperature rise across com-