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A resistojet has a throat diameter of 0.3 mm and is to be operated with helium at a pressure of 1,000 psi. The exhaust nozzle exit diameter is 3.0 mm. The maximum allowable temperature is 1,000 K and the specific heat ratio of helium can be taken as a constant value of 1.66. Determine the following parameters: 1. The mass flow rate. 2. The specific impulse. 3. The thrust level assuming an isentropic expansion in deep space with zero back pressure.

A resistojet has a throat diameter of 0.3 mm and is to be operated with helium at a pressure of 1,000 psi. The exhaust nozzle exit diameter is 3.0 mm. The maximum allowable temperature is 1,000 K and the specific heat ratio of helium can be taken as a constant value of 1.66. Determine the following parameters: 1. The mass flow rate. 2. The specific impulse. 3. The thrust level assuming an isentropic expansion in deep space with zero back pressure.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question 2: A resistojet has a throat diameter of 0.3 mm and is to be operated with helium at a pressure of 1,000 psi. The exhaust nozzle exit diameter is 3.0 mm. The maximum allowable temperature is 1,000 K and the specific heat ratio of helium can be taken as a constant value of 1.66. Determine the following parameters: 1. The mass flow rate. 2. The specific impulse. 3. The thrust level assuming an isentropic expansion in deep space with zero back pressure.
Transcribed Image Text:Question 2: A resistojet has a throat diameter of 0.3 mm and is to be operated with helium at a pressure of 1,000 psi. The exhaust nozzle exit diameter is 3.0 mm. The maximum allowable temperature is 1,000 K and the specific heat ratio of helium can be taken as a constant value of 1.66. Determine the following parameters: 1. The mass flow rate. 2. The specific impulse. 3. The thrust level assuming an isentropic expansion in deep space with zero back pressure.
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