{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Homework+1 - EML 3100 Homework 1 Due Wednesday January 18...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
EML 3100 Homework 1 Due Wednesday, January 18 From the Textbook : Problems 2.40, 2.47, 2.75, 2.82 Problem 5 : Hydrogen gas having an energy content per unit mass of e = 120 MJ/kg is stored in a tank at 200 bar and 25 ºC. The molecular weight of hydrogen is M = 2.016 g/gmol, and the corresponding gas constant is R = 4.124 J/g-K. The density of hydrogen is described by 𝜌 = 𝑝 𝑍𝑅𝑇 , where the compressibility factor Z corrects for the deviation from ideal gas behavior that occurs at high pressure. At 200 bar and 25 ºC, Z is estimated as 1.130. Determine the product e ρ in units of [MJ/m 3 ], which represents the energy content of the gas per unit volume. Problem 6 : The sketch below shows a curve in p - V coordinates defined by the polytropic equation 𝑝𝑉 𝑛 = ? , where n and c are positive constants. Verify the following related results: 𝑛 = ln( 𝑝 1 / 𝑝 2 ) ln( 𝑉 2 / 𝑉 1 ) = ln( 𝑝 2 / 𝑝 1 ) ln( 𝑉 1 / 𝑉 2 ) , 𝑝 ?𝑉 2 1 = 𝑝𝑉 ln 𝑉 2 𝑉 1 for 𝑛 = 1, 𝑝 ?𝑉 2 1 = 1 𝑛 − 1 ∆ 𝑝𝑉 for 𝑛 ≠ 1, Where
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}