From e983d37e81a4cbeed94c1c0782e4c946c7f188ec Mon Sep 17 00:00:00 2001 From: Alvie Rahman Date: Thu, 23 Dec 2021 21:49:38 +0000 Subject: [PATCH] use tableWrapper class, fix typo --- uni/mmme/1028_statics_and_dynamics/statics.md | 4 ++++ uni/mmme/1029_materials_and_manufacturing/materials.md | 4 ++++ .../thermodynamics.md | 6 +++++- 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/uni/mmme/1028_statics_and_dynamics/statics.md b/uni/mmme/1028_statics_and_dynamics/statics.md index 86564a6..ed04491 100755 --- a/uni/mmme/1028_statics_and_dynamics/statics.md +++ b/uni/mmme/1028_statics_and_dynamics/statics.md @@ -127,6 +127,8 @@ This principle can be useful in determining moments. ## Naming Conventions +
+ | Term | Meaning | |----------------------|----------------------------------------------------------| | light | no mass | @@ -138,6 +140,8 @@ This principle can be useful in determining moments. | rigid pin | a support only providing normal and tangential reactions | | built-in | a support proviting two reaction components and a moment | +
+ ## Tips to Solve (Difficult) Problems 1. Make good quality clear and big sketches diff --git a/uni/mmme/1029_materials_and_manufacturing/materials.md b/uni/mmme/1029_materials_and_manufacturing/materials.md index 2adb258..747a686 100755 --- a/uni/mmme/1029_materials_and_manufacturing/materials.md +++ b/uni/mmme/1029_materials_and_manufacturing/materials.md @@ -624,12 +624,16 @@ bonds between the surface of the fibre and matrix. Fibre composites tend to be much much weaker in transverse direction: +
+ Composite | Longitudinal UTS | Transverse UTS ------------ | ---------------- | -------------- GF/PET | 700 | 20 CF/Epoxy | 1000 | 35 Kevlar/Epoxy | 1200 | 20 +
+ (All units in MPa) # Thermal Properties of Materials diff --git a/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md b/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md index 20e17f2..c365e38 100755 --- a/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md +++ b/uni/mmme/1048_thermodynamics_and_fluid_mechanics/thermodynamics.md @@ -111,7 +111,7 @@ c_p &= c_v \gamma \\ c_v + R &= c_v\gamma \\ c_v &= \frac{R}{\gamma - 1} \\ \\ -\frac{c_p}{\gamma} &= _v \\ +\frac{c_p}{\gamma} &= c_v \\ c_p &= \frac{c_p}{\gamma} + R \\ c_p &= \frac{\gamma}{\gamma -1} R \end{align*} @@ -159,6 +159,8 @@ In thermodynamics we distinguish between *intensive*, *extensive*, and *specific ### Units +
+ Property | Symbol | Units | Intensive | Extensive --------------- | ------ | --------------- | --------- | --------- Pressure | p | Pa | Yes | @@ -171,6 +173,8 @@ Internal Energy | U | J | | Yes Entropy | S | J K$^{-1}$ | | Yes Enthalpy | H | J | | Yes +
+ ### Density For an ideal gas: