Sathiyamoorthy, K and Jayaprakash, C and Manjunath, P and Srinivas, J and Prateesh Kumar, P (2013) Development of Combustion Driven Heating System for Semi-Free Jet Test Rig. In: National Propulsin Conference 2013, 21 Feb 2013, Indian Institute of Madras, Chennai.
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Abstract
National Aerospace Laboratories, CSIR has recently established the Aero-propulsion Mach 3.6 Tunnel for the experimental research on 'High Speed Combustors. It is a blow down type test facility and simulates the scramjet inlet conditions of Mach number and temperature corresponding to the flight Mach number of 6 and altitude of 25 km. The flow conditions obtained at the test section are – Mach number 3.6, total temperature 1700 K, pressure 18 bar, mass flow rates of 25 kg/s with 10 seconds of test duration. The combustion driven heating method with upstream injection of replenishment oxygen has been adapted. The heating system consists of two combustors namely Pre-Heater -01 and Pre-Heater -02. Pre-heater -01 is an aero engine ‘can type’ combustor which heats air from 300 K to 800 K. The liners and fuel injectors from time expired R-11 aero engine were modified to suit to the requirements. Pre-Heater-02 is an ‘afterburner type’ combustion chamber developed for the facility, which heats the air from 800 K to 1700 K. This paper discusses about the development of the pre-heaters and its performances.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Subjects: | AERONAUTICS > Aircraft Propulsion and Power |
| Depositing User: | Mr. BS Shivaram |
| Date Deposited: | 24 Sep 2013 05:16 |
| Last Modified: | 28 Aug 2015 10:12 |
| URI: | http://nal-ir.nal.res.in/id/eprint/11788 |
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