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  • Math Problem, anyone?

    Chemical Engineering - Fluid Dynamics

    In a bubble phase after mixing 2 substances, given that the bubble moisture is as:

    o ́ρ_ε (∂H_b)/∂t+G_gh (∂H_b)/∂Z = m

    during a heat transfer while mixing, Solve for moisture (m) content when

    H_b = Y_g⇝ʎ+(C_phb+Y_g c_pvb )x(T_gb-T_r)

    and Y_g^x is a constant equilibrium to Y_g

    with an error rate of +/- .5 C @ .25 seconds/phase

    While the air humidity ( Y_g ) being 0.009

    and the heat transfer coefficient is

    h = (k_(gl))/(d_p) x ( X_(1) Re_p^x^2)

    given that

    x = area @ 0.38 m^2 per 5 seconds for 1 minute of mixing

    Y = Water Content in dry basis

    T = Temp @ 15 C at dry basis

    t = Time @ 1.73 sec for phase rate to vapor

    δ = volumetric bubble concentration at initiated time

    λ = latent heat of vaporization @ 5 J kg^-1

    ρ = density @ 1 kg m^-3

    G = air mass flow rate per cross section @ .5 kg m^-2^s-1

    h = effective heat transfer @ 5 J

    c_p = specific heat @ 3 J kg^-1 K^-1

    v = vapor @ 7 Celsius / .15 seconds during mixing

    a = specific exchange superficial area between gas and particles @ .22 m^-1

    p = particle

    b = bubble phase @ 22.5 C room temp

    m = moisture

    Thanks!

    1 AnswerEngineering7 years ago
  • Math Problem Help, anyone?

    Chemical Engineering - Fluid Dynamics

    In a bubble phase after mixing 2 substances, given that the bubble moisture is as:

    o ́ρ_ε (∂H_b)/∂t+G_gh (∂H_b)/∂Z = m

    during a heat transfer while mixing, Solve for moisture (m) content when

    H_b = Y_g⇝ʎ+(C_phb+Y_g c_pvb )x(T_gb-T_r)

    and Y_g^x is a constant equilibrium to Y_g

    with an error rate of +/- .5 C @ .25 seconds/phase

    While the air humidity ( Y_g ) being 0.009

    and the heat transfer coefficient is

    h = (k_(gl))/(d_p) x ( X_(1) Re_p^x^2)

    given that

    x = area @ 0.38 m^2 per 5 seconds for 1 minute of mixing

    Y = Water Content in dry basis

    T = Temp @ 15 C at dry basis

    t = Time @ 1.73 sec for phase rate to vapor

    δ = volumetric bubble concentration at initiated time

    λ = latent heat of vaporization @ 5 J kg^-1

    ρ = density @ 1 kg m^-3

    G = air mass flow rate per cross section @ .5 kg m^-2^s-1

    h = effective heat transfer @ 5 J

    c_p = specific heat @ 3 J kg^-1 K^-1

    v = vapor @ 7 Celsius / .15 seconds during mixing

    a = specific exchange superficial area between gas and particles @ .22 m^-1

    p = particle

    b = bubble phase @ 22.5 C room temp

    m = moisture

    Thanks!

    2 AnswersMathematics7 years ago
  • USPS Help Shipping a 6"x 7" x 7" USPS Priority Mail box #4 cost?

    I am unable to determine how much it would cost to ship a Priority Mail Box O-BOX4 #4 ( 6" x 7" x 7" ) box that will weigh under 5lbs to anywhere in the US.

    I am aware that this box does not fall under the "Flat Rate" Priority, although USPS website is not very helpful in determining how much it would cost to ship other sizes of Priority Mail Boxes such as the one I'm trying to ship, The Priority Mail Box O-BOX4 aka priority box #4 (6" x 7" x 7")

    Any realistic idea of how much it would cost would be of great help!

    Thank you!

    3 AnswersPacking & Preparation8 years ago
  • USPS Shipping a 6"x 7" x 7" USPS Priority Mail box #4?

    I am unable to determine how much it would cost to ship a Priority Mail Box O-BOX4 #4 ( 6" x 7" x 7" ) box that will weigh under 6lbs to anywhere in the US.

    I am aware that this box does not fall under the "Flat Rate" Priority, although USPS website is not very helpful in determining how much it would cost to ship other sizes of Priority Mail Boxes such as the one I'm trying to ship, The Priority Mail Box O-BOX4 aka priority box #4 (6" x 7" x 7")

    Any realistic idea of how much it would cost would be of great help!

    Thank you!

    5 AnswersPacking & Preparation8 years ago
  • Math Problem Help, Anyone?

    Chemical Engineering - Fluid Dynamics

    In a bubble phase after mixing 2 substances, given that the bubble moisture is as:

    o ́ρ_ε (∂H_b)/∂t+G_gh (∂H_b)/∂Z = m

    during a heat transfer while mixing, Solve for moisture (m) content when

    H_b = Y_g⇝ʎ+(C_phb+Y_g c_pvb )x(T_gb-T_r)

    and Y_g^x is a constant equilibrium to Y_g

    with an error rate of +/- .5 C @ .25 seconds/phase

    While the air humidity ( Y_g ) being 0.009

    and the heat transfer coefficient is

    h = (k_(gl))/(d_p) x ( X_(1) Re_p^x^2)

    given that

    x = area @ 0.38 m^2 per 5 seconds for 1 minute of mixing

    Y = Water Content in dry basis

    T = Temp @ 15 C at dry basis

    t = Time @ 1.73 sec for phase rate to vapor

    δ = volumetric bubble concentration at initiated time

    λ = latent heat of vaporization @ 5 J kg^-1

    ρ = density @ 1 kg m^-3

    G = air mass flow rate per cross section @ .5 kg m^-2^s-1

    h = effective heat transfer @ 5 J

    c_p = specific heat @ 3 J kg^-1 K^-1

    v = vapor @ 7 Celsius / .15 seconds during mixing

    a = specific exchange superficial area between gas and particles @ .22 m^-1

    p = particle

    b = bubble phase @ 22.5 C room temp

    m = moisture

    Thanks!

    1 AnswerHomework Help8 years ago
  • Math Problem Help Please?

    Chemical Engineering - Fluid Dynamics

    In a bubble phase after mixing 2 substances, given that the bubble moisture is as:

    o ́ρ_ε (∂H_b)/∂t+G_gh (∂H_b)/∂Z = m

    during a heat transfer while mixing, Solve for moisture (m) content when

    H_b = Y_g⇝ʎ+(C_phb+Y_g c_pvb )x(T_gb-T_r)

    and Y_g^x is a constant equilibrium to Y_g

    with an error rate of +/- .5 C @ .25 seconds/phase

    While the air humidity ( Y_g ) being 0.009

    and the heat transfer coefficient is

    h = (k_(gl))/(d_p) x ( X_(1) Re_p^x^2)

    given that

    x = area @ 0.38 m^2 per 5 seconds for 1 minute of mixing

    Y = Water Content in dry basis

    T = Temp @ 15 C at dry basis

    t = Time @ 1.73 sec for phase rate to vapor

    δ = volumetric bubble concentration at initiated time

    λ = latent heat of vaporization @ 5 J kg^-1

    ρ = density @ 1 kg m^-3

    G = air mass flow rate per cross section @ .5 kg m^-2^s-1

    h = effective heat transfer @ 5 J

    c_p = specific heat @ 3 J kg^-1 K^-1

    v = vapor @ 7 Celsius / .15 seconds during mixing

    a = specific exchange superficial area between gas and particles @ .22 m^-1

    p = particle

    b = bubble phase @ 22.5 C room temp

    m = moisture

    1 AnswerMathematics8 years ago
  • My aunt wants to have a relationship with me outside the bedroom.?

    (Please read thoroughly prior to your responses)

    First off, we are clearly not blood related. She married into the family to my uncle for only his money and nothing else. She merely uses him as her personal bank account. She and i have been sleeping together for over 3 years now and she has gotten very attached to me and several times tells me she loves me. I am currently 20 years old and i work in the family business, and im more than capable of supporting us both. She is currently 31, they have no kids, and she has been talking about her and I having a real relationship and getting a divorce with my uncle. My problem is i am overall attracted to her. She is, how do i say, a perfect 10 in today looks and standards for attraction, i mean she could be a model for playboy if she tried. Anyhow, the issue is, i love the romance in the bedroom between us, but i also could see myself with her in a relationship, Im more than aware of how it would impact my family, (but the truth is, they could care less), now as for my uncle, well my uncle is a rich and wealthy man whom could easily get another girl just as attractive as her, maybe even more attractive in a week or so, and according to her, he is apparently interested in other women, as she claims. So should i take this opportunity to have a healthy loving romantic relationship with her, or should i just keep sleeping with her and just enjoy it and have a real relationship with a different girl on the side.

    If you were my age, in my shoes, what would you do?

    ps

    Please don't bother lecturing me on how i should stop or not be doing this. You and I both know you would do it too (if you are a male). I just simply would like to know if i should try and have a relationship with her or not.

    7 AnswersMarriage & Divorce8 years ago