MECH&AE 131A

Intermediate Heat Transfer

Mechanical and Aerospace Engineering · 4 units · Undergraduate upper division (100-199)

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Steady conduction: two-sided, two-ended, tapered, and circular fins; buried cylinders, thick fins. Transient conduction: slabs, cylinders, products. Convection: transpiration, laminar pipe flow, film condensation, boundary layers, dimensional analysis, working correlation, surface radiation. Two-stream heat exchangers. Elements of thermal design.

Letter grading.

When it runs

Fall 2025
Fall 2026

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.

Checking the Schedule of Classes…

Requisites

Official UCLA wording
Enforced requisites: courses M20 (or Civil Engineering M20 or Computer Science 31), 82, 105D.

BruinTree reads · Prerequisite

needs reviewconfidence 0.80 · from text

all of

· "COM SCI 82" is not in this catalog version
· "COM SCI 105D" is not in this catalog version

Requires

Everything that has to come before this course, not just the courses named in the requisite above.

MECH&AE 131A

MECH&AE M20Introduction to Computer Programming with MATLAB
- MATH 33ALinear Algebra and Applications
  - MATH 3BCalculus for Life Sciences Students1 more beneath
  - MATH 31BIntegration and Infinite Series1 more beneath
  - MATH 32ACalculus of Several Variables1 more beneath

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

MECH&AE 131A

MECH&AE 231AConvective Heat Transfer Theory
MECH&AE 231CPhase Change Heat Transfer and Two-Phase Flow

2 courses list this as a requisite. The whole downstream is here — 2 courses over 1 level. Every course here opens its own tree.