In Simscape Fluids, there is an example/tutorial on how to build one of the shipping example on refrigeration step by step.
The workflow shown here applies to many modeling scenarios: set up test harnesses and parametrize components before assembling them into a larger model.
If you need further support, please reach out to MathWorks sales rep for your account or Tech Support and provide some details on the type of application you are looking for. We may be able to find you more specific resources.